If you’ve ever battled, this is a handy reference.
Here’s a DEV write-up on a public world time API that doesn’t require sign-ups or keys, and it’s CORS-enabled.
What I liked:
- DST + offsets included https://aliciafdhp963380.theblogfairy.com/38506055/no-signup-timezone-api-no-api-keys-for-frontend