Sharing a useful GitHub repo for a free timezone check here JSON API.
What it does: timezone-aware responses, DST status, UTC offsets, plus an Geo-IP endpoint for auto-detecting the user’s local time. No signup needed, and it’s browser-friendly via CORS for frontend fetch. :contentReference[oaicite:19]index=19
API base: https://time.now/developer/api :contentReference[oaicite:20]index=20
Repo: https://github.com/chrisyau83/world-time-api/tree/main
Useful for: scheduling, countdowns, and consistent timestamps. :contentReference[oaicite:21]index=21