For Android-Enterprise device with MobiControl plug-in that support related time settings feature, one can use "Device Time Synchronization" Advanced Policy to force device to sync time with specific NTT/SNTP or other corporate server.

 

Also, some AE devices vendors may also release their brand-specific OEMConfig compliant app that might support Settings options such as  "Use network-provided time" and "Use network-provided time zone".