Asia · Western Asia · Sovereign state
Current time in Oman
A single time zone at UTC+04:00.
Thursday, October 15, 2026
About Oman's time
A single time zone.
Oman has a single timezone — UTC+4:00 (Gulf Standard Time) — and it's been on the same offset year-round for decades with no daylight saving changes to worry about.
Major cities
Cities of Oman.
History
How Oman keeps time.
Oman's timezone history is relatively straightforward. Before standard time zones were formally adopted, the country observed local mean time based on the longitude of Muscat, about UTC+3:54. However, practical coordination with neighbors and international commerce made a standardized offset necessary.
Oman adopted UTC+4:00 as its standard time around 1920. The shift to a clean, round-hour offset aligned Oman with its major trading partners and regional neighbors, most notably the United Arab Emirates and other Gulf states. Since the adoption of UTC+4, Oman has maintained a consistent offset year-round and has never observed daylight saving time. This stability has persisted even as the country underwent rapid modernization and economic development from the 1970s onward.
Neighboring Saudi Arabia and Yemen use UTC+3:00, one hour behind Oman, and Iran uses UTC+3:30. Oman's one-timezone simplicity extends across its entire territory, including the remote Musandam Peninsula, which is separated from the rest of Oman by UAE territory.
Did you know?
Things about Oman's time.
Oman is one of the simpler timezone stories in the region — a single UTC+4 offset covering all 309,500 square kilometers with no daylight saving changes. Muscat, at about 58.6°E, is close to the 60°E meridian that UTC+4 is based on, so its clocks run only about 6 minutes ahead of local solar time.
The absence of daylight saving time means Oman doesn't shift relative to its neighbors seasonally, which simplifies cross-border business with the UAE, which is also on UTC+4. Saudi Arabia, Qatar and Bahrain, which have no daylight saving time either, stay one hour behind on UTC+3 all year.
Remote workers should note that Oman's working hours (often 8:00 AM–3:00 PM in the government sector) translate to reasonable overlap with European and Indian markets. A Muscat 10:00 AM start is 6:00 AM in London in winter (7:00 AM in summer) and 11:30 AM in Mumbai — making it a surprisingly convenient timezone hub for teams spread across those regions.
Convert
Oman to the world's clocks.
Frequently asked questions
Common questions about Oman's time zone, daylight saving rules, and how to handle it in software. Can't find what you need? Email [email protected].
- What timezone does Oman use?
- Oman uses a single timezone — UTC+4:00, known as Gulf Standard Time — across the entire country. There are no regional exceptions within Oman's borders.
- Does Oman observe daylight saving time?
- No. Oman has never observed daylight saving time and has no plans to adopt it, keeping UTC+4:00 constant throughout the year.
- Is the Musandam Peninsula in a different timezone?
- No. Although the Musandam Peninsula is an exclave separated from mainland Oman by UAE territory — and is geographically closer to some UAE areas — it follows the same UTC+4:00 timezone as the rest of Oman.
- What countries are in the same timezone as Oman?
- Oman shares UTC+4:00 with the United Arab Emirates; Qatar and Bahrain are one hour behind on UTC+3:00. Georgia, Armenia, Azerbaijan, Mauritius and Seychelles also use UTC+4:00 year-round.
- How many hours ahead is Oman of London?
- Oman is 4 hours ahead of London in winter (GMT) and 3 hours ahead in summer, when the UK is on British Summer Time (UTC+1). When it's 8:00 AM in London in winter, it's noon in Muscat.
- What is the best time to schedule calls between Oman and the US East Coast?
- Oman is 8–9 hours ahead of US Eastern Time depending on whether the US is on daylight saving. The best overlap is typically Tuesday through Thursday, roughly 6:00–9:00 AM Eastern (2:00–5:00 PM Muscat), before Oman's business day ends.
Source: IANA tzdb2026d · Reviewed
Free · Developer API
This country, as JSON.
Its default time zone, zone and city counts and DST summary, from one endpoint.
Also in the API: time zones by coordinates, conversions that flag daylight saving gaps, and abbreviations decoded.
Moving off WorldTimeAPI? Our drop-in replacement needs no key.