How do I set my time zone?

To set the time zone, please click on your profile picture and select the Settings option, then Account Setting -> "Profile" tab:

Scroll the page a bit and choose the desired time zone from the drop-down menu. Click on the "Update" button to save your changes:

Switch to the "More" screen, tap Settings under your name and select the "Profile" section.

Tap on the TimeZone field, scroll up/down to find the needed time zone, and tap "Done". Make sure to tap on the "Update Profile" button ot save the changes.