If you ever fought, this is a handy reference.
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:
- Offsets + dst flag included
- IP-based https://mohamadvpxw486701.blogdanica.com/39774831/public-world-time-api-no-api-keys-for-frontend