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Current Time in Asia/Muscat Time Zone

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12:40:46 GMT+4
Saturday, 25 July 2026

IANA Name: Asia/Muscat

Standard Offset: UTC +04:00

Daylight Saving: No

Currently Observing DST: No

Asia/Muscat: The Time Zone of Oman

Asia/Muscat is the IANA time zone identifier for Oman, covering the entire country with a constant offset of UTC+04:00. This zone does not observe daylight saving time, keeping the same time year-round. The abbreviation for this offset is +04, often referred to as Gulf Standard Time (GST) in the region.

Overview and Usage

Asia/Muscat applies exclusively to Oman, a country on the southeastern coast of the Arabian Peninsula. The zone is named after the capital city, Muscat, which is the largest city in Oman. The standard offset is UTC+04:00, placing it four hours ahead of Coordinated Universal Time. This offset is shared with several other IANA zones, including Asia/Dubai (United Arab Emirates), Asia/Baku (Azerbaijan), Asia/Tbilisi (Georgia), Asia/Yerevan (Armenia), and various European zones such as Europe/Astrakhan, Europe/Samara, Europe/Saratov, and Europe/Ulyanovsk (all in Russia). Additionally, Indian Ocean islands like Indian/Mahe (Seychelles), Indian/Mauritius, and Indian/Reunion also use the same offset.

Offset and Abbreviation

The offset UTC+04:00 means that when it is noon in Greenwich, London, it is 4:00 PM in Muscat. The abbreviation +04 is commonly used, though locally it is often referred to as Gulf Standard Time (GST). Note that GST is also used for the Gulf region, but it is not an official IANA designation. The offset remains constant throughout the year because Oman does not observe daylight saving time.

Daylight Saving Time Behavior

Oman has never observed daylight saving time. The country is located near the equator, resulting in relatively consistent day length throughout the year. As a result, there is no seasonal time change, and the offset of UTC+04:00 is used all year. This simplifies scheduling for residents and businesses, as there is no need to adjust clocks twice a year.

Main Countries and Cities

The only country using Asia/Muscat is Oman. The anchor city is Muscat, the capital and largest city, with a population of over 1.5 million. Other major cities in Oman include Salalah, Sohar, Nizwa, and Sur. All of Oman follows the same time zone, so there is no variation within the country.

Practical Guidance for Scheduling

For business and personal scheduling, understanding the time difference between Asia/Muscat and other major time zones is crucial. Here are key overlaps:

  • UTC+04:00 vs. UTC (London): Muscat is 4 hours ahead of London during standard time. When London is on daylight saving (BST, UTC+01:00), the difference is 3 hours.
  • UTC+04:00 vs. Eastern Standard Time (EST, UTC-05:00): Muscat is 9 hours ahead of New York during EST. During Eastern Daylight Time (EDT, UTC-04:00), the difference is 8 hours.
  • UTC+04:00 vs. Central European Time (CET, UTC+01:00): Muscat is 3 hours ahead of Berlin during CET. During Central European Summer Time (CEST, UTC+02:00), the difference is 2 hours.
  • UTC+04:00 vs. India Standard Time (IST, UTC+05:30): Muscat is 1 hour and 30 minutes behind India. This is a common time difference for regional business.
  • UTC+04:00 vs. Dubai (Asia/Dubai): Both use UTC+04:00, so there is no time difference. This is convenient for business between Oman and the UAE.

When scheduling calls, the best overlap for North America is typically late morning in Muscat (10:00 AM to 12:00 PM) corresponding to early morning in the US (1:00 AM to 3:00 AM EST) or late evening in Asia. For Europe, mid-morning to early afternoon in Muscat (9:00 AM to 2:00 PM) works well with European business hours (6:00 AM to 11:00 AM CET).

Frequently Asked Questions

Does Oman observe daylight saving time?

No, Oman does not observe daylight saving time. The offset of UTC+04:00 is used year-round.

What is the time difference between Muscat and Dubai?

There is no time difference. Both Muscat and Dubai use UTC+04:00, so they are always the same time.

What countries share the same time zone as Oman?

Oman shares the UTC+04:00 offset with several countries, including the United Arab Emirates (Asia/Dubai), Azerbaijan (Asia/Baku), Georgia (Asia/Tbilisi), Armenia (Asia/Yerevan), and parts of Russia (Europe/Astrakhan, Europe/Samara, Europe/Saratov, Europe/Ulyanovsk). Also, Seychelles (Indian/Mahe), Mauritius (Indian/Mauritius), and Reunion (Indian/Reunion) use the same offset.

What is the abbreviation for the time zone in Oman?

The standard abbreviation is +04, though it is often called Gulf Standard Time (GST) locally. However, GST is not an official IANA designation.

How do I convert Muscat time to my local time?

To convert from Muscat time (UTC+04:00) to your local time, subtract your UTC offset from 4. For example, if you are in New York (EST, UTC-05:00), subtract -5 from 4 to get a 9-hour difference (Muscat is 9 hours ahead). During daylight saving, adjust accordingly.

Is the entire country of Oman in the same time zone?

Yes, all of Oman uses Asia/Muscat time zone with a single offset of UTC+04:00.

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