Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for Omsk Time:
Daylight Saving Time (DST) Transitions
⬆️ Spring Forward (Clocks Advance)
None
⬇️ Fall Back (Clocks Return)
None
Observing Jurisdictions & Subdivisions
1 Sovereign NationsSovereign nations, administrative subdivisions, and regional territories officially operating under OMST:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
Coordinates petrochemistry, aerospace component logistics, and Trans-Siberian rail freight across southwestern Siberia.
Local Hours: 09:30 - 17:30 OMST
UTC Window: 03:30 - 11:30 UTC
Major Cities in OMST
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1919
Classified as MSK+3, Omsk Time previously covered vast stretches of southwestern Siberia before neighboring provinces shifted to UTC+7 in 2016, leaving Omsk Oblast as the sole Russian territory on UTC+6.
Omsk is the only Russian region currently observing MSK+3, creating an isolated one-hour time zone surrounded by MSK+2 to the west and MSK+4 to the east.
Frequently Asked Questions about OMST
What is Omsk Time?
Omsk Time (OMST) is UTC+6 (Moscow Time +3), observed in Omsk Oblast in southwestern Siberia.
What is the time difference between Moscow and Omsk?
Omsk is 3 hours ahead of Moscow.
Does Omsk observe daylight saving time?
No. Omsk remains on UTC+6 year-round.