Each hour lines up across all zones. Offsets come from the IANA time zone database, so daylight-saving changes land on the exact hour they happen.
The first zone is home: the grid lines up with its hours. The short name is what the phone layout shows. Saved in this browser.
One zone per line: Label, Zone, Short (short is optional). Zone can be an IANA name, an abbreviation (IST, CET) or an offset (UTC-6). First line is home.
Last 14 days and next 6 months for your zones. Click one to jump to it.