Optional network layer
This page is prepared for a tiny Cloudflare Worker accuracy endpoint. Until that endpoint is connected, it does not claim atomic-time verification.
Time Tools
Clock Accuracy Sync
Use an optional on-demand network comparison without changing the private browser-only behavior of the main clock.
Result
Not connected yet
Main clock is still browser-only.
Honest accuracy policy
The homepage displays your device time with auto-resync. Official accuracy depends on your operating system time synchronization. A future Worker can compare your device clock with network time using a few quick requests, not one request every second.
How accuracy sync works
The optional check is designed to compare device time with a network reference only when requested. The main live clock remains browser-based and does not depend on a request every second.
Why it is optional
Keeping network comparison separate makes normal clock use fast, private, and resilient while still giving high-stakes users a way to perform a deliberate reference check.
Frequently asked questions
What is accuracy sync?
This page explains an optional network-based clock accuracy check for the future.
Does the main clock need a server?
No. The main TimeWithSeconds clock stays browser-only and static.
Why not claim atomic accuracy now?
Because without a network time comparison, the page can only display your device clock, not verify official atomic time.