Meridians
15 degrees is one UTC hour at the equator
The faint vertical lines are not IANA zones. China is one zone. Spain shares an offset with Germany. Pins carry the real zone names.
Land is Natural Earth, drawn in the browser. Ocean and night are painted behind the pins. Click a pin for local time, then open the city page.
Meridians
The faint vertical lines are not IANA zones. China is one zone. Spain shares an offset with Germany. Pins carry the real zone names.
UTC
Every local time on a pin is an offset from UTC. Open the UTC clock if you want the unshifted hour.
Day and night
The day and night sketch follows the solar terminator at this hour, not city weather.