GST Time Now — Gulf Standard Time
The current GST time (Gulf Standard Time, UTC +04:00) is shown below.
GST — UTC +04:00
Thursday, 22 October 2026 GST
Where GST is used
In 2026, 2 zones in the tz database show GST , all of them all year round.
| Zone | Country | January | July |
|---|---|---|---|
| Asia/Dubai | United Arab Emirates | GST +04:00 | GST +04:00 |
| Asia/Muscat | Oman | GST +04:00 | GST +04:00 |
About GST
Offset & DST
UTC offset: +04:00
Daylight saving: Not observed
Representative IANA zone: Asia/Dubai
IANA zones at GST
Converting GST to other time zones
GST is fixed at UTC +04:00 — written +0400 in email headers and +04:00 in ISO 8601 timestamps. The table below uses each abbreviation's own fixed offset; for a specific place, check its city page, since local clocks switch between standard and daylight abbreviations.
| Zone | Difference | When it's 12:00 GST | Converter |
|---|---|---|---|
| UTC Coordinated Universal Time | −4 h | 08:00 | Hour by hour → |
| PST Pacific Standard Time | −12 h | 00:00 | Hour by hour → |
| MST Mountain Standard Time | −11 h | 01:00 | Hour by hour → |
| CST Central Standard Time | −10 h | 02:00 | Hour by hour → |
| EST Eastern Standard Time | −9 h | 03:00 | Hour by hour → |
| BRT Brasília Time | −7 h | 05:00 | Hour by hour → |
| BST British Summer Time | −3 h | 09:00 | Hour by hour → |
| CET Central European Time | −3 h | 09:00 | Hour by hour → |
| EET Eastern European Time | −2 h | 10:00 | Hour by hour → |
| MSK Moscow Standard Time | −1 h | 11:00 | Hour by hour → |
| IST India Standard Time | +1:30 h | 13:30 | Hour by hour → |
| CST China Standard Time | +4 h | 16:00 | Hour by hour → |
| JST Japan Standard Time | +5 h | 17:00 | Hour by hour → |
| AEST Australian Eastern Standard Time | +6 h | 18:00 | Hour by hour → |
GST can mean something else
Time zone abbreviations are not unique. Besides Gulf Standard Time, GST is also used for:
- South Georgia Time (UTC −02:00) — South Georgia and the South Sandwich Islands
When the difference matters — meeting invites, software, contracts — write the UTC offset (UTC +04:00) or an IANA zone name such as Asia/Dubai instead.
Countries commonly using GST
GST questions
- What is GST in UTC?
- GST (Gulf Standard Time) is UTC +04:00. In ISO 8601 timestamps it is written +04:00, in email and HTTP headers +0400.
- Which countries use GST?
- In 2026, zones showing GST are found in Oman, United Arab Emirates.
- Does GST mean anything else?
- Yes. GST is also used for South Georgia Time (UTC −02:00). Use a UTC offset or an IANA zone name when it matters.
More tools for GST
Look up the exact IANA zone behind GST, see it on the offset map, or compare it against other cities.