Time zone · Asia
GST
Gulf Standard Time
Gulf Standard Time runs across the Arabian Gulf, through sun-drenched cities like Dubai and Muscat, where business and daily life unfold at UTC+04:00 year-round. With no daylight saving disruptions, it feels like a constant rhythm—simple for scheduling across the UAE and Oman.
Thursday, October 15, 2026
Current offset
UTC+04:00
Standard · +04
Daylight saving
Not observed
Year-round standard time
IANA zones
2
None observe daylight saving
DST offset
—
No summer variant
About GST
A fixed, year-round offset.
Gulf Standard Time runs across the Arabian Gulf, through sun-drenched cities like Dubai and Muscat, where business and daily life unfold at UTC+04:00 year-round. With no daylight saving disruptions, it feels like a constant rhythm—simple for scheduling across the UAE and Oman.
IANA zones · the technical identifiers
The 2 zones that resolve to GST.
For software, always store the IANA identifier — never the abbreviation alone. The database keeps these zones distinct because their rules can, and historically did, diverge.
Cities across GST
Local time, city by city.
5 cities
Where GST is used
2 countries.
Same offset · UTC+04:00
Other zones at UTC+04:00 right now.
These named zones share GST's offset today. When daylight saving rules differ, they drift apart for part of the year.
Convert
GST to the world's clocks.
Frequently asked questions
Common questions about GST, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- How many regions observe Gulf Standard Time?
- The Gulf Standard Time region covers 2 member zones, all set at UTC+04:00 with no daylight saving shifts.
- Which countries are in the Gulf Standard Time region?
- Members include the United Arab Emirates and Oman. Both use a steady UTC+04:00 offset all year.
- Does Dubai observe daylight saving time?
- No, Dubai relies on a fixed offset—there are no clock changes across the Gulf Standard Time region.
- Is there any daylight saving in Gulf Standard Time?
- None of the 2 zones in this region observe daylight saving, so every day sticks to the same +04 offset.
- What is the abbreviation for Gulf Standard Time?
- GST is the usual abbreviation for Gulf Standard Time, which is UTC+04:00.
- Do people in the Gulf Standard Time region adjust clocks?
- No. Dubai has used UTC+04:00 since 1920 with no clock changes, and Oman keeps the same time.
Source: IANA tzdb2026d · Reviewed
Free · Developer API
This time zone, as JSON.
Its defining offset, DST status and member counts, 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.