convert datetime to timestamp

Or calculate the total seconds from your DateTime object. Do I need reference when writing a proof paper? Convert Unix timestamp to DateTime using JavaScript And jQuery https://lnkd.in/dDPBWbPd It provides complete and accurate information about the time. For example, January 1, 1970, is entirely taken as a reference time, and there is no big /valid reason to choose this date as the reference time. I use this in production code to get the Unix timestamp (which is UTC) and as far as I know it works. The toTimeStamp() is a user-defined function. from datetime import datetime # current date and time now = datetime.now () timestamp = datetime.timestamp (now) print("timestamp =", timestamp) Previous Tutorial: Get current time Next Tutorial: Python time Module Share on: Use DateTime.Ticks to get the number of 100-nanosecond intervals that have elapsed since 12:00:00 midnight, January 1, 0001. long number = DateTime.Now.Ticks; 2. Convert UTC Timestamp to Date by Hiding the Time, 3. How do I calculate someone's age based on a DateTime type birthday? convert c# timestamp to date time; convert date +time into datetime in C#; c# from unix timestamp seconds to datetime; c# datetime to unix timestamp 2020; blazor datetime to unix timestamp c#; c# convert string to unix datetime; c# datetime to unix timestamp .net core; convert datetime.now to timestamp c#; C# unix itme stamps; convert from unix . SQL Server has 0 = 1900-01-01 00:00:00.000, according to me lame test of creating a datetime and stuffing numbers into it. Period.between( // Represent a span-of-time in terms of years-months-days. Then, we used datetime.fromtimestamp() classmethod which returns the local date and time (datetime object). In the first method, we will convert Unix-based Time data to Date. As for np.datetime64 to Timestamp, it is relatively simple, just pass the np.datetime64 instance to the Timestamp constructor. Copyright 2010 - In .NET 4.6, you can use the built-in DateTimeOffset to convert Unix time stamps to DateTime. The date is obtained in string data types by default in Javascript. Learn Python practically Try Programiz PRO: Introduction to Statistics is our premier online video course that teaches you all of the topics covered in introductory statistics. This behavior means that you can retrieve a value from the DateTimeOffset.LocalDateTime property to perform a time zone conversion at the same time that you perform a type conversion. [batch convert] Supports Unix timestamps in seconds, milliseconds, microseconds and nanoseconds. A particular day may be represented by a different date in another calendar as in the Gregorian calendar and the Julian calendar, which have been used simultaneously in different places. var d = new Date() import numpy as np from datetime import datetime Step 2: Create a sample date in datetime format. To convert datetime to np.datetime64 and back ( numpy-1.6 ): >>> np.datetime64 (datetime.utcnow ()).astype (datetime) datetime.datetime (2012, 12, 4, 13, 34, 52, 827542) It works both on a single np.datetime64 object and a numpy array of np.datetime64. Is it viable to have a school for warriors or assassins that pits students against each other in lethal combat? Analytical cookies are used to understand how visitors interact with the website.

ExcelDemy.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. If your application requires that converted DateTime values unambiguously identify a single point in time, you should consider using the DateTimeOffset.UtcDateTime property to handle all DateTimeOffset to DateTime conversions. What if date on recommendation letter is wrong? Summary: in this tutorial, you will learn how to convert a datetime to a DATE by using the CONVERT(), TRY_CONVERT(), and CAST() functions.. To convert a datetime to a date, you can use the CONVERT(), TRY_CONVERT(), or CAST() function.. The Year, Month, and Day are the three required parameters in the function, and Hours, minutes, seconds, and milliseconds are the four optional arguments in the function. Changing the style of a line that connects two nodes in tikz, Challenges of a small company working with an external dev team from another country. Do sandcastles kill more people than sharks? } Convert datetime. For example, "24 November 2018" is ten days after "14 November 2018" in the Gregorian calendar. Did they forget to add the layout to the USB keyboard standard? To indicate that a converted DateTime value is the UTC time, you can retrieve the value of the DateTimeOffset.UtcDateTime property. On the other hand, the DATEVALUE function just converts the text formatted string to the date value. Convert String to PySpark Timestamp type. In fact, UTC isn't a time in a particular time zone, but the time in relation to which the times in the world's time zones are standardized. from datetime import datetime # current date and time currentDateTime = datetime.now() print("Current Date Time is ", currentDateTime) # convert datetime to timestamp timestamp = datetime.timestamp(currentDateTime) print("Current Unix Timestamp is ", timestamp) Output Timestamp to Date. Please have a look at our website ExcelDemy.com and let us know if you face any problems in the comment box. function onCatChange() { Finally, we can see the date without time. 1. After conversion, the seconds are passed to the datetime method named utcfromtimestamp, which reads the epoch time and converts it to an instance of datetime. Although the DateTimeOffset structure provides a greater degree of time zone awareness than the DateTime structure, DateTime parameters are used more commonly in method calls. We have prepared a workbook so that you can practice. If your data includes representation of Unix time as an integer, or you require converting to it, the following functions are available: Kusto let fromUnixTime = (t:long) { datetime (1970-01-01) + t * 1sec }; print result = fromUnixTime (1546897531) result 2019-01-07 21:45:31.0000000 Kusto About this tool Most databases store the date in Unix format so Convert DateTime To Unix Timestamp tool was created to help with converting time. Today we will learn how to convert each kind of timestamp to date in Excel with suitable examples and proper illustrations. Why is Julia in Cyrillic regularly transcribed as Yulia in English? The following code shows how to convert a single timestamp to a datetime: #define timestamp stamp = pd. By using some built-in function in SQL Server we can get the datetime value in specific format. What should my green goo target to disable electrical infrastructure but allow smaller scale electronics? The Date.parse() is a built-in JavaScript function that returns the number of milliseconds since January 1, 1970, 00:00:00 UTC. Convert the DateTime object into timestamp using DateTime.timestamp () method. How to get current date and time in Python? Again the value of the variable where the date is stored must be divided by 1000 to get the answer in seconds. The method's single parameter is the DateTime value that represents the date and time to be converted. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. How to Remove Timestamps from Date in Excel (4 Easy Ways), How to Create Floating Text Box in Excel (2 Easy Ways), How to Put a Circle Around a Number in Excel (4 Quick Tricks), [Solved] Excel Text Box Not Showing (3 Reasons & Solutions), How to Circle Text in Excel (3 Easy Ways), For both the second and third columns, select the. To get a DateTime in a particular form in you can use strftime function. Just follow all the steps given below. We will follow the steps below to convert the UNIX timestamp to date. Converting a UTC time. Do Spline Models Have The Same Properties Of Standard Regression Models? Necessary cookies are absolutely essential for the website to function properly. and Get Certified. As such, it defines the day of an annual event, such as a birthday or Christmas on 24/25 December. How to Use the UNIX Timestamp Converter Put the timestamp number (seconds/milliseconds) in textbox and select type of timestamp seconds or milliseconds.

Step 3: Right Click on the selected cells. Find centralized, trusted content and collaborate around the technologies you use most. It is a built-in Date and Time object that returns the number of milliseconds. Building a new flow? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How do I get the current username in .NET using C#? In most calendar systems, the date consists of three parts: the day of month, month, and the year. DateTimeOffset reflects a time's offset from UTC, but it doesn't reflect the actual time zone to which that offset belongs. The Year, Month, and Day are the three required parameters in the function, and Hours, minutes, seconds, and milliseconds are the four optional arguments in the function. The calendar date allows the specific day to be identified. Save my name, email, and website in this browser for the next time I comment. To convert from np.datetime64 to datetime.datetime, we must first convert the datetime64 data to seconds (in epoch format). It is easy to convert datetime to Timestamp and datetime64 instances. Thus we can convert from a local DateTime to Unix time as follows: 1 2 3 var dateTime = new DateTime (2015, 05, 24, 10, 2, 0, DateTimeKind.Local); var epoch = new DateTime (1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); var unixDateTime = (dateTime.ToUniversalTime () - epoch).TotalSeconds; We can convert back to a local DateTime as follows: 1 2 Unfortunately, DateTime is a bit broken in this respect - see my blog post (a rant about DateTime) for more details. The following code shows how to convert a single timestamp to a datetime: The following code shows how to convert an array of timestamps to a datetime: The following code shows how to convert a pandas column of timestamps to datetimes: How to Convert Datetime to Date in Pandas Depending on the situation, the time and date must be dealt with in a suitable manner to ensure that the processed data is in a desirable format. In the code above, we have imported three modules named datetime, numpy, and pandas, each providing their implementation for storing and processing dates (each has its own distinct use cases). Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Convert Unix Timestamp to Date in Excel, 2. Asking for help, clarification, or responding to other answers. Write a number as a sum of Fibonacci numbers. } For this, we have to follow these steps: Related Content: Convert Text to Date and Time in Excel (5 Methods). rev2022.12.7.43083. Using this additional argument, you can cast String from any format to Timestamp type in PySpark. Javascript has built-in date and time objects. Input: If the current datetime64 is as follows: 2020-08-18 09:31:51.944622 Output: The required timestamp in seconds will be: 1597743111.944622 The required timestamp in minutes will be: 26629051.8657437 The required timestamp in an hour will be: 443817.53109572834 Example 1: The following example defines a method named ConvertFromDateTimeOffset that converts DateTimeOffset values to DateTime values. Get a timestamp in milliseconds using the getTime () method. About Timestamp to Date Converter tool. For example, the air attack on Pearl Harbor that began at 7:48 a.m. Hawaiian time on December 7, 1941, took place at 3:18 a.m. December 8 in Japan (Japan Standard Time). A unix timestamp is a total time that passed, presented in seconds. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2022 AskJavaScript All rights reserved. How to convert time only using DateTime.Parse? Convert Timestamp to Date using DATEVALUE and TEXT Functions, How to Convert Text to Date in Excel (10 ways), How to Convert Number to Date in Excel (6 Easy Ways). By clicking Accept All, you consent to the use of ALL the cookies. Simply put, DATETIME_NTZ is defined as. For this conversion you may either use module datetime or time . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". document.write(d.getFullYear()) Write a number as a sum of Fibonacci numbers, Separating columns of layer and exporting set of columns in a new QGIS layer. convert date only to date with timestamp. Convert datetime to Unix timestamp and convert it back in python What you missed here is timezones. In standard date and time format strings, you can use "s" format specifier as a sortable date/time pattern, to define a result string that conforms to the ISO 8601 standard. Timestamp Online also supports countdown, so you can see, how much time remains to particular timestamp. The following code uses the DateTimeOffset.LocalDateTime property when converting a DateTimeOffset value whose offset corresponds to that of the local time zone: When you retrieve a DateTime value using the DateTimeOffset.LocalDateTime property, the property's get accessor first converts the DateTimeOffset value to UTC, then converts it to local time by calling the ToLocalTime method. This cookie is set by GDPR Cookie Consent plugin. Example 2: Python datetime to timestamp You can get timestamp from a datetime object using datetime.timestamp () method. The formula (B3-DATE (1970,1,1)) is used to calculate the difference between the given date time and the Unix epoch. You could just hard-code a time value with a formatdatetime function in an expression. We have to remove time data from this. The UTC() function takes three required positional parameters and four optional parameters. For example, in taking the subscription of any particular web application, behind the scenes, the Javascript will take the timestamp to keep the information related to the date and time of the subscription. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. In this article, you will learn to convert timestamp to datetime object and datetime object to timestamp (with the help of examples). Among these, the most frequently used timestamps are Unix-based timestamps (e.g. The . 2005-10-30 10:45 AM). You can use the following basic syntax to convert a timestamp to a datetime in a pandas DataFrame: The following examples show how to use this function in practice. All operations are performed without taking any time zone into account. Example: Below query shows how you can convert datetime to timestamp. These cookies track visitors across websites and collect information to provide customized ads. Hello! How to convert DateTime to ISO 8601 string format in C#. Tags: Convert to Date ExcelDATE FunctionDATEVALUE FunctionDAY FunctionINT FunctionMONTH FunctionTEXT FunctionTimestamp in ExcelYEAR Function. Convert Unix timestamp to Excel time Generic formula: (Unix_time/86400)+DATE (1970,1,1) Step 1: Convert Unix time column to datetime The first step is to convert the Unix timestamp to Pandas datetime by: df['date'] = pd.to_datetime(df['ts'], unit='s') The important part of the conversion is unit='s' which stands for seconds. In SQL server, you cannot assign a value to a column of the datatype TIMESTAMP/ROWVERSION; it gets it's value from the server itself on insert/update. It can detect many different time format from the string automatically, and convert it to DateTime if available. How do I calculate someone's age based on a DateTime type birthday? Thats why well combine the DATEVALUE and TEXT functions to remove time from a date in Excel. The number of days between two dates may be calculated. We will create a datetime object and subtract it with another datetime object that has the date 1st January 1970. In .NET 4.6, you can use the built-in DateTimeOffset to convert the DateTime to Unix time stamps. (e.g. Is playing an illegal Wild Draw 4 considered cheating or a bluff? There may also be additional parts, such as the day of week. Connect and share knowledge within a single location that is structured and easy to search. More info about Internet Explorer and Microsoft Edge, Choosing Between DateTime, DateTimeOffset, TimeSpan, and TimeZoneInfo. The implicit conversion operator, which allows you to assign a DateTime value to a DateTimeOffset object. Making statements based on opinion; back them up with references or personal experience. The sample output is for a machine set to the Pacific Time Zone (US and Canada). Use DateTime.Parse() to convert string to DateTime object in C#. Select object with minimum or maximum property value, Convert a column number to an Excel column name, Force application to run as administrator, Run command prompt commands in C# application, Pass method as parameter in another method, Get all types that implement an interface, Format number with commas as thousands separators, Count occurrences of a string within a string, Calculate the day difference between two dates, Get description attributes of enum values, Error: Collection was modified; enumeration operation may not execute, IOException: The process cannot access the file 'filename', Warning: The breakpoint will not currently be hit, Json.NET Error: Self referencing loop detected for property, Make a textbox only accept numbers in WinForms, Implement keyboard shortcuts in Windows Forms, Get all certain type child controls from WPF, Make a TextBox only accept numbers in WPF, Load a WPF BitmapImage from a System.Drawing.Bitmap, How to change menu item text dynamically in Android, Can one initialize a Java string with a single repeated character to a specific length. zdtA.toLocalDate() , // Extract the date-only from the date-time-zone object. The following code uses the SpecifyKind method when converting a DateTimeOffset value whose offset corresponds to that of the local time zone: You can also use the DateTimeOffset.LocalDateTime property to convert a DateTimeOffset value to a local DateTime value. JonSkeet has a good answer but as an alternative if you wanted to keep the result more portable you could convert the date into an ISO 8601 format which could then be read into most other frameworks but this may fall outside your requirements. However, it returns a DateTime value whose Kind property is Unspecified, as the following example illustrates: The preceding example shows that any information about the DateTimeOffset value's relationship to UTC is lost by the conversion when the DateTime property is used. Now, we have got the following results. Why don't courts punish time-wasting tactics? These cookies will be stored in your browser only with your consent. rev2022.12.7.43083. Why do we always assume in problems that if things are initially in contact with each other then they would be like that always? Your email address will not be published. Enter the following formula: =B5/86400+ DATE (1970,1,1) Press Enter. Do sandcastles kill more people than sharks? This can be converted into a timestamp using the, If the string date string is unrecognized, then it will return. For example, GETDATE (): It returns server datetime in "YYYY-MM-DD HH:mm:ss.fff" format. Can I cover an outlet with printed plates? How do I convert datetime to timestamp using C# .NET (ignoring the current timezone)? today = datetime.today () It will assign today's date and time to the variable. When you run the program, the output will be: Here, we have imported datetime class from the datetime module. We can use this function to convert datetime to Unix timestamp in Python. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. . When dealing with data - be it ordered or unordered, coming across date and time is a fairly common occurrence. You should really pass in a value with a Kind of Utc for this to work. For example, the following example instantiates a DateTimeOffset object that reflects Central Standard Time: The second parameter to this constructor overload is a TimeSpan object that represents the time's offset from UTC. You can replace that variable by your dataverse date column. Assume that we have two types of timestamp data as follows: First, we have Unix-based Timestamp data: And finally, we have UTC-based Timestamp data: Now, we will see how we can convert those data to date format. 516), Help us identify new roles for community members, Help needed: a call for volunteer reviewers for the Staging Ground beta test, 2022 Community Moderator Election Results. Thanks for contributing an answer to Stack Overflow! The conversion is shown in the following example, which is run in the U.S. Pacific Standard Time zone: If the DateTime value reflects the date and time in something other than the local time zone or UTC, you can convert it to a DateTimeOffset value and preserve its time zone information by calling the overloaded DateTimeOffset constructor. To get the Unix timestamp in Javascript, use the getTime() function. BCH Cash Address to Legacy Address Converter, Legacy Address to BCH Cash Address Converter. In standard date and time format strings, you can use "s" format specifier as a sortable date/time pattern, to define a result string that conforms to the ISO 8601 standard. Here we will use the "CONVERT" function to convert a datetime into different format in SQL Server. Modify Timestamp Using Excel INT Function, 6. In the below example we convert the string pattern which is in PySpark default format to Timestamp type, since the input DataFrame column is in default Timestamp format, we use the first signature for . 1256953732) and UTC-based timestamps. This article aims to demonstrate how to convert data between numPy.datetim64, datetime.datetime and Timestamp. The UTC () function takes three required positional parameters and four optional parameters. DateTime unixStart = DateTime.SpecifyKind(new DateTime(1970, 1, 1), DateTimeKind.Utc); long epoch = (long)Math.Floor((value.ToUniversalTime() - unixStart).TotalSeconds); this also returns the same result as that of my code Then I don't understand what's wrong with your code. /* ]]> */, How to Convert Timestamp to Date in Excel (7 Easy Ways), 7 Easy Ways to Convert Timestamp to Date in Excel, 1. You could just hard-code a time value with a formatdatetime function in an expression. We can remove time from the date by using Find and Replace. Syntax of the CAST function to convert the above timestamp value in the required date and time format: cast (expr AS data_type (length); Where, data_type: It is the data type to convert the expression to. Prefer the second one too. Coming to the pandas module, we use the datetime64() method to convert the datetime instance and store it in a variable named dt64. The Date.parse() is a necessary built-in function here and cannot be altered with another name. I really love to solve problems that help lots of people in their day to day life. Convert the result to seconds by dividing by 1000. index.js Strip 'GMT' to convert to local time. Note:The TEXT function converts the value into the text format. You can get timestamp from a datetime object using datetime.timestamp() method. He has worked with many back-end platforms, including Node.js, PHP, and Python. We can use the DATE function when we want to take three separate values and combine them to form a date. title=">

We will follow the steps below to convert the UNIX timestamp to date. Step 1: Import all the necessary libraries. Keep up to date with current events and community announcements in the Power Automate community. Prefer a 12-hour clock? To indicate that a converted DateTime value is the UTC time, you can retrieve the value of the DateTimeOffset.UtcDateTime property. As forconversion from Timestamp to datetime, use the to_datetime64() method. The DateTime property is most commonly used to perform DateTimeOffset to DateTime conversion. Whatever you need your unix timestamp for, you can both code and decode it here. Find centralized, trusted content and collaborate around the technologies you use most. Using the INT function is an easy way to remove the time data. For example, "24 November 2018" is ten days after "14 November 2018" in the Gregorian calendar. We got 1643824890 in the output means that since January 1, 1970, 00:00:00 UTC 1643824890 milliseconds had passed when the user got the timestamp. The method returns the date and time passed to it as its first parameter but sets the Kind property to the value specified by its second parameter. Adding 0.5 adds 12 hours. Since one second is equivalent to 1000 milliseconds it must be divided by 1000 to get the value in terms of seconds. Ok, you have to first create a DF with your series: The blockchain tech to build in a crypto winter (Ep. However, you may visit "Cookie Settings" to provide a controlled consent. This behavior also affects DateTimeOffset values that correspond to UTC time or the system's local time because the DateTime structure reflects only those two time zones in its Kind property. The cookie is used to store the user consent for the cookies in the category "Performance". expr: It is an expression which needs to be casted. I am Salman Bin Mehmood(Baum), a software developer and I help organizations, address complex problems. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. In the next six ways, we will convert UTC-based Timestamp to Date. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Alternative idiom to "ploughing through something" that's more sad and struggling. In this section, you will know how to convert datetime to numpy datetime. In order to use the DATEVALUE function, a date must be saved in TEXT format. It's pretty common to store date and time as a timestamp in a database. Convert Human Readable Date To Timestamp Year Month Day Hour Minute Second Unix Timestamp: 1662030684 GMT: Thursday, 01 September 2022, 11:11:24 AM GMT Your Local Time: Thursday, 01 September 2022, 3:11:24 AM GMT -08:00 Convert Seconds To Days, Hours & Minutes 1 days 1 hours 1 minutes 1 seconds Timestamp for Start and End of Day Year Month Day

However, using the timestamp in most practical applications is more convenient than a particular date format like. We provide tips, how to guide, provide online training, and also provide Excel solutions to your business problems. Why does the autocompletion in TeXShop put ? Choose your Format. Of course, any specific time or event can be expressed in different forms of timestamps. At the moment you're calling ToUniversalTime() - just get rid of that: Alternatively, and rather more readably IMO: EDIT: As noted in the comments, the Kind of the DateTime you pass in isn't taken into account when you perform subtraction. TIMESTAMP_NTZ TIMESTAMP_NTZ internally stores "wallclock" time with a specified precision. It does not store any personal data. Apply Text to Columns Wizard to Get Date from Timestamp in Excel, 5. Code: Python3 import calendar import datetime date = datetime.datetime.utcnow () utc_time = calendar.timegm (date.utctimetuple ()) print(utc_time) Output: 1628497783 DateTime to Unix timestamp milliseconds The datetime.now () function is used to obtain the current time. To convert date to a timestamp in JavaScript, Date.UTC() function. Convert date to timestamp in Python import time timestamp = time.mktime(time.strptime('2015-10-20 22:24:46', '%Y-%m-%d %H:%M:%S')) For more on the format string with all the % symbols, see python's time library. Here, we have imported the DateTime class from DateTime module. /* In addition, Krunal has excellent knowledge of Front-end and backend technologies including React, Angular, and Vue.js and he is an expert in JavaScript Language. Fill the rest of the cells using the Autofill feature to get the complete result. To preserve as much time zone information as possible when converting a DateTimeOffset to a DateTime value, you can use the DateTimeOffset.UtcDateTime and DateTimeOffset.LocalDateTime properties. How to Convert Columns to DateTime in Pandas Syntax Theme let datum = new Date(Date.UTC('2009','01','13','23','31','30')); While the first three parameters 2009, 01,13 are compulsory, the parameters after they are not compulsory. The DateTimeOffset structure provides two equivalent ways to perform DateTime to DateTimeOffset conversion that are suitable for most conversions: The DateTimeOffset constructor, which creates a new DateTimeOffset object based on a DateTime value. 1. convert DateTime to Unix timestamp in C#. Get started with our course today. Not the answer you're looking for? The most widely used epoch is a conventional birthdate of Jesus (which was established by Dionysius Exiguus in the sixth century). TimeStamp ts = TimeStamp.FromTicks (value.ToUniversalTime ().Ticks); Since you named a variable epoch, do you want the Unix time equivalent of your date? The following code illustrates the use of the DateTimeOffset.LocalDateTime property to perform both a type and a time zone conversion. The strftime () function is used to convert date and time objects to their string representation. Domain Exist. To learn more, see our tips on writing great answers. datetime instance. The date is obtained in string data types by default in Javascript. If not divided by 1000, you will get the timestamp in milliseconds instead. If the output format contains a time zone . The cookie is used to store the user consent for the cookies in the category "Other. string representation of a simplification of the ISO 8601. number representing the milliseconds that have elapsed since January 1, 1970, 00:00:00 UTC. Why is integer factoring hard while determining whether an integer is prime easy? So data needs to be converted into a long value by using the getTime () method of the date class (which is present in the util package). 2. If the Offset property value does not equal TimeSpan.Zero, it converts the time to UTC.