If you ever fought, this is worth bookmarking.
Here’s a DEV write-up on a public world time API that needs no sign-ups or API keys, and it’s CORS-enabled.
What I liked:
- DST + offsets included
- IP-based https://jasperlhtt511505.bloggactif.com/41022123/no-signup-world-time-api-no-keys-for-frontend