The function to display time for each TimeZone in Google Calendar is convenient, so I’ll introduce it.
Settings can be accessed from https://calendar.google.com/calendar/r/settings.
Simply check the Show world clock checkbox ✅ and add the time zones you want to display from ADD TIME ZONE.
In my case, since I work for a company with bases in Japan and the United States, I added the following time zones:
That’s all from the Gemba where I want to always be aware of TimeZones.