Date util improvements - #106

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techniq merged 3 commits into

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fix/utc-local-date-year-boundary

Aug 11, 2026

Commits on Aug 11, 2026

fix(date): Correct `utcToLocalDate()` shifting the year by ±1 near a year boundary, and preserve milliseconds in both `utcToLocalDate()` and `localToUtcDate()`
techniq
committed
f982b4b
feat(date): Add UTC time intervals (`'utcDay'`, `'utcMonth'`, ...) to `TimeIntervalType`, usable anywhere an interval name is accepted (`startOfInterval('utcDay', date)`, `intervalOffset('utcMonth'…
techniq
committed
1be2f37
feat(date): Add a `utc` option to date utils (ex. `formatDate()`, `formatIntl()`, etc) so period math and display can both run on UTC boundaries
techniq
committed
8ed0de1