Offset
The time difference between India Standard Time and Gulf Standard Time is 1.5 hours.
India Standard Time (IST) is ahead of Gulf Standard Time (GST).
IST: UTC+5:30
GST: UTC+4
Neither India Standard Time nor Gulf Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 11 AM–5 PM in India Standard Time (9 AM–3 PM in Gulf Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 2:00 PM India Standard Time (12:30 PM Gulf Standard Time).
About these zones
India Standard Time is also known as IST. To call India, dial +91.
Gulf Standard Time is also known as GST. To call United Arab Emirates, dial +971.
Gulf Standard Time is approximately 1,200 miles northwest of India Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| IST | GST | Day |
|---|---|---|
| 12:00 am | 10:30 pm | -1 day |
| 1:00 am | 11:30 pm | -1 day |
| 2:00 am | 12:30 am | Same day |
| 3:00 am | 1:30 am | Same day |
| 4:00 am | 2:30 am | Same day |
| 5:00 am | 3:30 am | Same day |
| 6:00 am | 4:30 am | Same day |
| 7:00 am | 5:30 am | Same day |
| 8:00 am | 6:30 am | Same day |
| 9:00 am | 7:30 am | Same day |
| 10:00 am | 8:30 am | Same day |
| 11:00 am | 9:30 am | Same day |
| 12:00 pm | 10:30 am | Same day |
| 1:00 pm | 11:30 am | Same day |
| 2:00 pm | 12:30 pm | Same day |
| 3:00 pm | 1:30 pm | Same day |
| 4:00 pm | 2:30 pm | Same day |
| 5:00 pm | 3:30 pm | Same day |
| 6:00 pm | 4:30 pm | Same day |
| 7:00 pm | 5:30 pm | Same day |
| 8:00 pm | 6:30 pm | Same day |
| 9:00 pm | 7:30 pm | Same day |
| 10:00 pm | 8:30 pm | Same day |
| 11:00 pm | 9:30 pm | Same day |
Daylight saving time
Neither India 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
- 6:01 AM
- Sunset
- 7:15 PM
- Day length
- 13h 14m
- Sunrise
- 5:29 AM
- Sunset
- 7:07 PM
- Day length
- 13h 38m
Daylight overlap: 12h 15m — 6:59 AM–7:15 PM in India Standard Time (5:29 AM–5:45 PM in Gulf Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in India Standard Time
Cities in Gulf Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in India Standard Time
- BOM
- NMI
- DEL
- BLR
- HYD
- AMD
- MAA
- CCU
- STV
- PNQ
Airports in Gulf Standard Time
- DWC
- DXB
- SHJ
- AUH
Related conversions
Common conversions
- What is 9:00 am IST in GST?
- 9:00 am IST is 7:30 am GST.
- What is 12:00 pm IST in GST?
- 12:00 pm IST is 10:30 am GST.
- What is 12:30 pm IST in GST?
- 12:30 pm IST is 11:00 am GST.
- What is 2:00 pm IST in GST?
- 2:00 pm IST is 12:30 pm GST.
- What is 5:00 pm IST in GST?
- 5:00 pm IST is 3:30 pm GST.
- What is 11:30 pm IST in GST?
- 11:30 pm IST is 10:00 pm GST.