G.1.1.5 Alternative Paths

If there is no UTC offset information from the DHCP server, then the NTP client will use its preset or service set UTC offset.

If there is no NTP time server, then the NTP client will select its internal battery clock as the source of UTC. These may have substantial errors. This also means that when there are multiple systems but no NTP source, the multiple systems will not attempt to synchronize with one another.