Change time zone for calendar in Teams/Outlook

Step 1:

Go to https://outlook.office.com/, then in the top right corner where you have your profile name, click on the gear icon (), then select General.

Step 2:

While in General, first item is Language and time, In Language and time down at the bottom should be Time Zone with a link saying Change

Click on change and then in the next window, look for a tile with the title Time zones.

You can change the time zone by typing the city you are in