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Sierra Time Zone — S

Military letter S (Sierra) maps to the UTC-6 offset from Coordinated Universal Time. Covers the U.S. Central Time zone, Mexico, and Central America.

Sierra (S) — UTC-6

02:05:06

Saturday, 9 May 2026 GMT-6

About Sierra

UTC offset

UTC-6

Letter S = Sierra in the NATO phonetic alphabet.

Where S is used

Covers the U.S. Central Time zone, Mexico, and Central America.

Other military letters