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—perfect for scheduling across the UAE, Oman, and the wider Gulf.

UTC+04:00 standard2 IANA zones5 cities
Current time in GST☾ Night
00:03:09

Saturday, June 6, 2026

☾ NIGHT 05:3312:2019:08
Standard
+04 · +4
IANA zones
2

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—perfect for scheduling across the UAE, Oman, and the wider Gulf.

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.

IANA zonePrimary cityDST
Asia/DubaiDubai— None
Asia/MuscatMuscat— None

Cities currently on GST

The same hour, city by city.

5 cities · all UTC+04:00

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.

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?
Locals and international partners often use GST to refer to this region, but the clock faces show +04.
When is Gulf Standard Time best for scheduling international meetings?
Since there's no daylight saving, you can always lock in UTC+04:00—great for planning across the Gulf without worrying about clock shifts.
Do people in the Gulf Standard Time region adjust clocks?
No, the representative zone has held steady since 1920, with no transitions or shifts to track.

Free · Developer API

Time, as JSON.

Every IANA time zone with live offsets, DST status, and the countries and cities that use them — clean, dependable JSON. Sign up free and get an API key in seconds.

GET /v1/timezones Live

countries, cities, convert, DST transitions coming next.

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// France's time zones, right now
GET /v1/timezones?country=fr
{
"data": [
{
"iana": "Europe/Paris",
"display_name": "Paris",
"current": {
"utc_offset": "+02:00",
"abbreviation": "CEST",
"is_dst": true
}
}
]
}