If you ever fought, this might help.
Here’s a DEV write-up on a free world time API that works without sign-ups or API keys, and it’s CORS-enabled.
Highlights:
- Timezone + DST handled
- Geo-IP endpoint to https://phoebevzqb720343.bloggactif.com/41012283/no-signup-world-time-api-no-api-keys-for-frontend