Use the Time page to configure the Network Time Protocol (NTP) server, the geographic region, and the time zone where you have deployed the appliance.
To configure time parameters for the appliance:
Log in to the appliance management console as the vaadmin user.
https://ip-address-or-dns-name-appliance:9443
Click Time.
Change the following time configuration options as appropriate:
Specify the NTP server that you want to use for time synchronization.
Select the geographic region where your appliance is located.
Select the time zone where your appliance is located.
This option is enabled by default to help avoid conflicts across network.
Click OK.