If timezones have ever made you suffer, this here is a handy reference.
This article explains a free world time API that needs no sign-ups or keys, and it’s CORS-enabled.
What I liked:
- Offsets + dst flag included
- IP-based timezone detection endpoint
- Simple GET requests
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 global scheduling. Hope it helps.