The output should look something like the below: 03:47:23 PM ofPattern ( "hh:mm:ss a" ) ) // print time string System. now ( ) // format time to string String timeStr = now. Here is an example that shows how you can format an instance of LocalTime: // current time LocalTime now = LocalTime. Here is the output of the above code snippet: Old Date Format: Ī LocalTime represents the time without date and timezone information. println ( "New Date Format: " + newStr ) println ( "Old Date Format: " + oldStr ) System. ofPattern ( "dd-MMM-yyyy" ) ) // print both strings System. ofPattern ( "MM/dd/yyyy" ) ) // format date to string String newStr = date. The following code snippet shows how you can parse a string in MM/dd/yyyy format to dd-MMM-yyyy format using both LocalDate and DateTimeFormatter: // old string format String oldStr = "" // parse old string to date LocalDate date = LocalDate. You can also use DateTimeFormatter to change the format of a date string. The above code will output the following: Sunday, December 29, 2019 ofPattern ( "EEEE, MMMM dd, yyyy" ) ) // print date string System. now ( ) // format date to string String dateStr = now. The following example demonstrates how you can format the current LocalDate into a date string: // current date LocalDate now = LocalDate. The LocalDate class represents the date without time in ISO-8601 format (yyyy-MM-dd). Let us look at the LocalDate and LocalDateTime examples below to see how it works. DateTimeFormatter is used to specify a pattern for formatting and parsing date-time objects in Java 8 new date and time API. The format() method returns the formatted date string. Java 8 new date and time API provides a format() method that accepts an instance of DateTimeFormatter to format this date using the specified format: format ( DateTimeFormatter formatter ) All classes in the new date and time API use ISO-8601 format to represent dates and times. Java 8 new API is thread-safe, easier to use, and provides utility methods for date and time operations. Java 8 Date & Time APIĪ new date and time API was introduced in Java 8 (classes in the java.time.* package) to fix the flaws of the old and APIs. Likewise, you may want to convert a date from MM/dd/yyyy to dd-MMM-yyyy or any other format of your choice. There are many scenarios where you want to convert an instance of date to a more human-readable format.įor instance, you may have a date like T15:23, and you want to change its format to Decem03:23 PM. In this article, you'll learn to change the format of a given date or a string to a new string format using both Java 8 new date and time API and legacy API. The only parameter used is the string.In my previous article, we looked at different ways to convert a string to a date using Java 8 new date and time API as well as legacy Date and Calendar API. Using dateutil module, parse() can be used to convert a string into date time format. If you want to learn more about the directives and strptime(), please go to Python strptime() - string to datetime object.Įxample 2: Using dateutil module from dateutil import parser One advantage of converting to date format is one can select the month or date or time individually. The first parameter is the string and the second is the date time format specifier. Using strptime(), date and time in string format can be converted to datetime type. Example 1: Using datetime module from datetime import datetimeĭatetime_object = datetime.strptime(my_date_string, '%b %d %Y %I:%M%p')
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