If you ever fought, this might help.
This DEV post shares a free world time API that doesn’t require sign-ups or keys, and it’s frontend-friendly via CORS.
Highlights:
- DST + offsets included
- Geo-IP endpoint to detect click here the user timezone
- copy-paste friendly usage
Link: https://dev.to/time-now-api/i-built-a-free-open-world-time-api-no-api-keys-cors-enabled-5en
If you work on frontend countdowns. Hope it helps.