Hi!
Let Tor tell us what relays, bridges, authority [mirrors] think what time it is to be able to implement a distributed time fetcher: https://trac.torproject.org/projects/tor/ticket/6894
Useful in context of 'get independent from host clock time / insecure NTP': https://trac.torproject.org/projects/tor/ticket/8170
Or the more limited proposal: https://trac.torproject.org/projects/tor/ticket/3652
Cheers, Patrick