Can Google Calendar display multiple time zones?

Yes, Google Calendar can display multiple time zones. To activate this function, hit “S” for the Settings menu. Now, under the “General” tab you can see “Your current time zone.” Click on Show an additional time zone, and then tick the box Display all time zones.
Add in a new time zone by scrolling down, selecting the one you want and hitting save.
Now you will see both timezones in your “day” and “week” Calendar views.