The Delphix GUI pulls time from three different places: the source database, the Delphix Engine and the browser. These different places where information is pulled from are important when instructing a customer on what changes/policies/times they are referencing as we need to be precise to help them properly.
Target source database:
Snapshot policies for VDBs are run from the time and timezone of the target source database
Browser time has the following dependencies in the GUI:
You can change the Delphix Engine time in the sysadmin interface this time is where
Server time (Replication 4.1 and older)
Everything in the CLI is in UTC as the backend of the DxOS is in UTC