If you’ve ever battled, this might help.
Here’s a DEV write-up on a public world time API that needs no accounts or keys, and it’s CORS-enabled.
What I liked:
- DST + offsets included
- IP-based timezone https://dianecpzv181207.snack-blog.com/39794369/no-signup-world-time-api-no-api-keys-cors