Offset
The time difference between Arabia Standard Time and Gulf Standard Time is 1 hour.
Arabia Standard Time (AST) is behind Gulf Standard Time (GST).
AST: UTC+3
GST: UTC+4
Neither Arabia Standard Time nor Gulf Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Arabia Standard Time (10 AM–5 PM in Gulf Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Arabia Standard Time (1:00 PM Gulf Standard Time).
Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
About these zones
Arabia Standard Time is also known as AST. To call Saudi Arabia, dial +966.
Gulf Standard Time is also known as GST. To call United Arab Emirates, dial +971.
Gulf Standard Time is approximately 550 miles east of Arabia Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| AST | GST | Day |
|---|---|---|
| 12:00 am | 1:00 am | Same day |
| 1:00 am | 2:00 am | Same day |
| 2:00 am | 3:00 am | Same day |
| 3:00 am | 4:00 am | Same day |
| 4:00 am | 5:00 am | Same day |
| 5:00 am | 6:00 am | Same day |
| 6:00 am | 7:00 am | Same day |
| 7:00 am | 8:00 am | Same day |
| 8:00 am | 9:00 am | Same day |
| 9:00 am | 10:00 am | Same day |
| 10:00 am | 11:00 am | Same day |
| 11:00 am | 12:00 pm | Same day |
| 12:00 pm | 1:00 pm | Same day |
| 1:00 pm | 2:00 pm | Same day |
| 2:00 pm | 3:00 pm | Same day |
| 3:00 pm | 4:00 pm | Same day |
| 4:00 pm | 5:00 pm | Same day |
| 5:00 pm | 6:00 pm | Same day |
| 6:00 pm | 7:00 pm | Same day |
| 7:00 pm | 8:00 pm | Same day |
| 8:00 pm | 9:00 pm | Same day |
| 9:00 pm | 10:00 pm | Same day |
| 10:00 pm | 11:00 pm | Same day |
| 11:00 pm | 12:00 am | +1 day |
Daylight saving time
Neither Arabia Standard Time nor Gulf Standard Time observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:05 AM
- Sunset
- 6:41 PM
- Day length
- 13h 36m
- Sunrise
- 5:29 AM
- Sunset
- 7:07 PM
- Day length
- 13h 38m
Daylight overlap: 13h 3m — 5:05 AM–6:07 PM in Arabia Standard Time (6:05 AM–7:07 PM in Gulf Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Gulf Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Arabia Standard Time
- JED
- RUH
- MED
- DMM
Airports in Gulf Standard Time
- DWC
- DXB
- SHJ
- AUH
Related conversions
Common conversions
- What is 9:00 am AST in GST?
- 9:00 am AST is 10:00 am GST.
- What is 12:00 pm AST in GST?
- 12:00 pm AST is 1:00 pm GST.
- What is 12:30 pm AST in GST?
- 12:30 pm AST is 1:30 pm GST.
- What is 2:00 pm AST in GST?
- 2:00 pm AST is 3:00 pm GST.
- What is 5:00 pm AST in GST?
- 5:00 pm AST is 6:00 pm GST.
- What is 11:30 pm AST in GST?
- 11:30 pm AST is 12:30 am GST, the next day.