Build your own time server with a GPS receiver. https://drwho.virtadpt.net/entry/build-your-own-time-server-with-a-gps-receiver
Server run by the main developers of the project 
It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!
@drwho *fakes time to 1970* *crashes unupdated iPhones upon connect to my network* *sets SSID to often used name*