Greenwich Mean Time to Gulf Standard Time
Convert times between Greenwich Mean Time (GMT, UTC+0:00) and Gulf Standard Time (GST, UTC+4:00). Gulf Standard Time is 4 hours ahead of Greenwich Mean Time in standard time. During daylight saving time this difference changes to 3 hours.
UTC+0:00 / +1:00→UTC+4:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Greenwich Mean Time | GMT / BST | UTC+0:00 | UTC+1:00 | United Kingdom |
| Gulf Standard Time | GST | UTC+4:00 | — | UAE / Oman |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (GMT → GST)
| Greenwich Mean Time | Gulf Standard Time |
|---|---|
| 12:00 AM GMT | 4:00 AM GST |
| 6:00 AM GMT | 10:00 AM GST |
| 9:00 AM GMT | 1:00 PM GST |
| 12:00 PM GMT | 4:00 PM GST |
| 3:00 PM GMT | 7:00 PM GST |
| 6:00 PM GMT | 10:00 PM GST |
| 9:00 PM GMT | 1:00 AM (next day) GST |
Summer (DST) Conversion (BST → GST)
| Greenwich Mean Time (summer) | Gulf Standard Time (summer) |
|---|---|
| 12:00 AM BST | 3:00 AM GST |
| 6:00 AM BST | 9:00 AM GST |
| 9:00 AM BST | 12:00 PM GST |
| 12:00 PM BST | 3:00 PM GST |
| 3:00 PM BST | 6:00 PM GST |
| 6:00 PM BST | 9:00 PM GST |
| 9:00 PM BST | 12:00 AM (next day) GST |
Daylight Saving Time (DST) Notes
- Greenwich Mean Time observes DST. Clocks advance 1 hour to BST (UTC+1:00) roughly from month 3 to 10.
- The offset difference shifts between 4h (standard) and 3h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert GMT to GST?
Add 4 hours to the GMT time to get GST. For example, 9:00 AM GMT = 1:00 PM GST.
What is the current UTC offset for Greenwich Mean Time?
Greenwich Mean Time is UTC+0:00 during standard time (GMT) and UTC+1:00 during summer daylight saving time (BST).
Is Gulf Standard Time ahead or behind Greenwich Mean Time?
Gulf Standard Time is 4 hours ahead of Greenwich Mean Time in standard time.
When is a good time to schedule a meeting between GMT and GST?
A good overlap window is around 9:00 AM GMT / 1:00 PM GST, which falls within business hours for both timezones.
Related Timezone Conversions
Greenwich Mean Time → Central European TimeGMT / CETGreenwich Mean Time → Eastern European TimeGMT / EETGreenwich Mean Time → Moscow TimeGMT / MSKGreenwich Mean Time → Turkey TimeGMT / TRTGreenwich Mean Time → US Eastern TimeGMT / ESTGreenwich Mean Time → India Standard TimeGMT / ISTGreenwich Mean Time → China Standard TimeGMT / CSTGreenwich Mean Time → Japan Standard TimeGMT / JST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.