Home > Time Zones > Abbreviations > S – Sierra Time Zone

S – Sierra Time Zone (Military Time)

Also known as: s – Sierra Time, Sierra

Time zone map of S
Areas with same time currently (UTC -6:00).
Currently has same time zone offset as S (UTC -6:00) but different time zone name.

Sierra Time Zone (S) is 6 hours behind Coordinated Universal Time (UTC). This time zone is a military time zone.

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Email time zone indicator: -0600

An email sent from someone in the Sierra Time Zone (S) time zone will have the time zone listed as "-0600" in the headers of the email. (However, "-0600" does not have to be in Sierra Time Zone, as other time zones could have the same UTC offset).

Where and when is S observed?

Sierra Time Zone is often used in aviation and the military as another name for UTC -6:00. 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".

Only showing up to 16 cities, others may also be observing Sierra Time Zone.

Sierra time now

14:21:51

Friday, December 19, 2014

Military time displayed using the 24 hour clock.

  • UTC Offset: UTC -6:00
  • 1 hour behind Washington DC

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