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npm · #1400 most downloaded on npm
Immutable date wrapper
Last release 1 years ago
05 Sep 2025
Release timing varies
gaps range from 2 weeks to 9 months
Some releases are documented
notes for 35 of the last 60 stable releases
2 versions withdrawn
withdrawn after publishing
9 years old
151 releases · first in 2017
DateTime.min and DateTime.max throw if they get the wrong kind of arguments
DATETIME_MED_WITH_WEEKDAY presetCatch errors trying to use Intl in weird versions of IE 11
Fixed locale default logic for `DateTime#toFormat("ZZZZ")
One column per quarter.
- Added formatOffset to Zones
formatOffset to ZonesAllow the zone argument to Interval.fromISO with duration components
Fix keepLocalTime calculations that span offset changes
Fixed ISO formatting for dates > 999
Performance improvements for regex parsing
Support numberSystem in fromFormat
Fix cross-month diffs in some scenarios
Add some explicit CDN support to the NPM package
setZone("local") now returns the defaultZone if it is set
setZone("local") now returns the defaultZone if it is setAllow 24:00 in ISO (and other) strings
DateTime.isDateTime()Fixed handling of some characters in fromFormat literal sections
Fix DateTime#plus() when spanning across AD 100
Fix low-year handling for IANA zones
DateTime#toLocal() now uses the default localeAdd DateTime#zone and Info.normalizeZone
DateTime#zone and Info.normalizeZone (#404)Add DateTime#toRelative and DateTime#toRelativeCalendar
DateTime#toRelative and DateTime#toRelativeCalendarAllow "UTC" in the zone position of fromSQL
fromSQLisDateTime and isDuration to return booleans in all casesTrim leading \u200e characters from offset names in Edge 16 and 17
Add DateTime.fromSeconds and DateTime#toSeconds
DateTime.fromSeconds and DateTime#toSecondsNothing published for this version
Floor the seconds instead of rounding them when outputting the 'X' format
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Fixing merge error that resulted in bad error messages
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midly breaking Rework negative durations
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