A TOOL FOR WATCH PEOPLE
GMT time-zone comparison.
Compare two cities, see their local times and dates, and practice reading a 24-hour GMT hand.
HOME
—:—Loading your local time…
TOKYO
—:—Loading the second time…
12 hours earlier12 hours later
Uses your device clock and time-zone rules, including daylight saving and fractional offsets. This is a reading aid; follow your watch’s own setting instructions.
THE 24-HOUR HAND / TOKYO
00 at the top. Noon at the bottom.
One full turn is a whole day.
KNOW THE DETAIL
How to read a GMT watch.
Read a 24-hour GMT hand and see how the same scale informs our standalone bezel graphic.
Read the field note ↗