DayJS timezone plugin alternative to manage DST correctly

Allows defining CloudWatch schedules in local timezones(with DST!) in serverless events

A JavaScript library to group time zones based on offset (DST-aware), name or region.

ICal generator/updater/parser with Timezone/DST, Alams, Organizers, Events, etc. support.

Node-Red Node that produces formatted Date/Time output using the Moment.JS library. Timezone, dst and locale aware.

Date and time utilities — timezone conversion, DST-safe arithmetic, and Intl formatting

Get current datetime, DST status, and UTC offset for a given timezone.

Complex data grid built on top of ag-grid, with DST components and styles.

Local birth time + place -> UT, correctly. IANA timezone resolution for caelus charts: DST, half-hour zones, ambiguous and nonexistent times.

AzerothJS job scheduler - drift-free cron expressions with timezone/DST semantics, overlap control, and graceful drain, zero dependencies

A tiny JavaScript date library with 100+ APIs and strict DST guarantees.

Chronos CLI: replay, trace, sweep, shrink, open, explain. Distributed-systems DST on a single thread.

A flexible, TypeScript-first date/time toolkit: timezone & DST conversion, date arithmetic, comparison, calendar helpers, and human-friendly formatting. Backed by Luxon, shipped as CommonJS + ESM.

determine if a date is in daylight savings time

Zero-dependency, timezone- and DST-aware availability slot engine.

A library to determine the daylight savings transition time for any corresponding year

Universal embroidery file converter (VIP, ZHS, PES, DST, JEF, VP3, HUS, EXP and more) — 100% local. Run with: npx ricuci in.vip out.zhs

DST (Data Stitch Tajima) algorithms for JSxCAD

- `fsExtra.copySync(src, dst)` will make the archive of `dst` time variant

ICal generator/updater/parser with Timezone/DST, Alams, Organizers, Events, etc. support.