# Package org.apache.groovy.dateutil

- Class Summary
  Class | Description
  --- | ---
  BaseDuration | Base class for date and time durations (dequirked, `java.util.Date`-flavored).
  BaseDuration.From | Helper for computing dates relative to the current time.
  DatumDependentDuration | A duration that includes years and/or months, whose exact length depends on the datum.
  Duration | A context-independent duration: days and below, whose length is known without a datum.
  TimeCategory | A dequirked, `java.util.Date`-flavored parallel to the legacy `groovy.time.TimeCategory`.
  TimeDatumDependentDuration | The result of mixing a TimeDuration with a DatumDependentDuration.
  TimeDuration | A time period in hours, minutes, seconds and milliseconds (optionally with days).