core

Date-time primitives and core concepts, including classes such as Date, Time, Instant, and ZonedDateTime.

(Experimental) Framework-level interfaces, allowing aspects of date, time, and duration to be abstracted. This area is unstable and likely to see significant change.

Platform-independent calendar properties.

The default clock implementation, providing access to the current system time at up to nanosecond precision when available.

Various extensions specific to the Apple platform.

Formatting of dates, times, durations, and intervals into textual representations.

Various extensions specific to the Java platform.

Platform-independent locale.

Classes related to the measurement of time, including Duration, Period, and more specific units, such as Hours or Years.

Parsing of dates, times, durations, and intervals from textual representations.

Date ranges, time intervals, and the ability to iterate over them and perform various operations.

Provides time zone database access.