Also known as: s – Sierra Time, Sierra
Sierra Time Zone (S) is 6 hours behind Coordinated Universal Time (UTC). This time zone is a military time zone.
Where and When is S Observed?
Sierra Time Zone is often used in aviation and the military as another name for UTC -6. Sierra Time Zone is also commonly used at sea between longitudes 97.5° West and 82.5° West.
The letter S may be used as a suffix to denote a time being in the Sierra Time Zone, such as 08:00S or 0800S. This is spoken as "zero eight hundred Sierra".
Some places with the same time as Sierra Time Zone
- Mexico City, Ciudad de México, Mexico
- Guatemala City, Guatemala
- Managua, Nicaragua
- San Salvador, El Salvador
- Edmonton, Alberta, Canada
- Salt Lake City, Utah, USA
- Calgary, Alberta, Canada
- Denver, Colorado, USA
- Tegucigalpa, Honduras
- San Jose, Costa Rica
- Belmopan, Belize
- Inuvik, Northwest Territories, Canada
- Galapagos Islands, Ecuador
- Regina, Saskatchewan, Canada
- Acapulco, Guerrero, Mexico
- Rapid City, South Dakota, USA
Only showing up to 16 cities, others may also be observing Sierra Time Zone.This time zone is no longer in use, but some locations may observe the same UTC offset (local time) under a different name.
Other Time Zones in UTC -6
Some time zones exist that have the same offset as S, but can be found under a different name: