You can find many services that show the current time for all international time zones.
An example is:
https://greenwichmeantime.com/time-zone/Just compare if the displayed time is correct.
You can
define the time zone for your conference easily.
Please go to:
Overview => Settings => Main SetupPlease go to the section "Time Zone" and for the option "* Time Zone" choose a city that corresponds with your current time.
For the option "* Time Zone of Your Conference" you can keep the setting "%1" which will automatically insert the official abbreviated time zone name or enter an abbreviation that is more fitting (see image).
Here you can find all
official time zone codes.