UTC−6
13 IANA zones are on UTC−6 right now, where the local time is on Tuesday 15 September. 3 of them change clocks during the year, so this list is true today and not in six months.
| Zone | Abbreviation | Anchor city | Changes clocks | Next change |
|---|---|---|---|---|
| America/Mexico_City | CST | Mexico City | No | — |
| America/Monterrey | CST | Monterrey | No | — |
| America/Edmonton | MDT | Calgary | Yes | 1 Nov 2026 |
| America/Guatemala | CST | Guatemala City | No | — |
| America/Managua | CST | Managua | No | — |
| America/Tegucigalpa | CST | Tegucigalpa | No | — |
| America/Chihuahua | CST | Chihuahua | No | — |
| America/Merida | CST | Mérida | No | — |
| America/Denver | MDT | Denver | Yes | 1 Nov 2026 |
| America/El_Salvador | CST | San Salvador | No | — |
| America/Costa_Rica | CST | San José | No | — |
| America/Regina | CST | Saskatoon | No | — |
| America/Boise | MDT | Boise | Yes | 1 Nov 2026 |
Cities on UTC−6 today
An offset is a fact about a moment, not a place — see how UTC offsets work. Two cities that share one today may not share it in June, because each keeps its own daylight saving rules.