Siebel Global Deployment Guide > Deploying with Global Time Zone > About Global Time Zone and Universal Time Coordinated (UTC) >
About Enabling UTC for Existing Deployments
This topic is part of About Global Time Zone and Universal Time Coordinated (UTC).
If you are upgrading a non-UTC deployment of a prior version and are now deploying with UTC, or if you have decided to convert an existing non-UTC implementation to UTC, you must perform applicable tasks described in the following topics:
See also Administering Time Zones.