Simple Java library to convert common Date/Time objects. Use old style Date or Calendar and convert it to new Java 7+ Date/Time objects or visa versa.

Take a java.time.LocalDate object, add time and zone and convert it to java.util.Date with an one-liner.

Use DateConvert to convert Calendar, Instant, ZonedDateTime and even LocalDate.

For example:

// java.util.Date to Calendar with default zone
DateConvert.from(date).toCalendarWithDefaultZone();

// Calendar to java.time.ZonedDateTime
DateConvert.from(calendar).toZonedDateTime();

// java.time.LocalDate -> java.util.Date with time 12:30 and default zone
DateConvert.from(localDate).withLocalTime(12, 30, 0, 0).withDefaultZoneId().toDate();

• Calendar
• Date
• Instant
• LocalDate
• LocalDateTime
• Millis
• Timestamp
• ZonedDateTime

1. Add JitPack repository to your build file, see here
2. Add the DateConvert dependency

For maven the pom.xml looks like

...
<repositories>
	<repository>
		<id>jitpack.io</id>
		<url>https://jitpack.io</url>
	</repository>
</repositories>
...
<dependencies>
	<dependency>
		<groupId>com.github.javablick</groupId>
		<artifactId>dateconvert</artifactId>
		<version>2.0.0</version>
	</dependency>
</dependencies>

3. Use the DateConvert class, e.g. DateConvert.from(date).toCalendar();

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See also my homepage.