Time zone converter
GST to IST
India Standard Time (IST) is 1 hour 30 min ahead of Gulf Standard Time (GST) all year.
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- 1Type a place, a zone or a time
- 2Drag the hours: every clock moves together
- 3Share the link or add it to your calendar
GST to IST, hour by hour
Each hour of the day in Gulf Standard Time, and the time in India Standard Time at that moment.
| UTC+4 | IST |
|---|---|
| 12:00 am | 1:30 am |
| 1:00 am | 2:30 am |
| 2:00 am | 3:30 am |
| 3:00 am | 4:30 am |
| 4:00 am | 5:30 am |
| 5:00 am | 6:30 am |
| 6:00 am | 7:30 am |
| 7:00 am | 8:30 am |
| 8:00 am | 9:30 am |
| 9:00 am | 10:30 am |
| 10:00 am | 11:30 am |
| 11:00 am | 12:30 pm |
| 12:00 pm | 1:30 pm |
| 1:00 pm | 2:30 pm |
| 2:00 pm | 3:30 pm |
| 3:00 pm | 4:30 pm |
| 4:00 pm | 5:30 pm |
| 5:00 pm | 6:30 pm |
| 6:00 pm | 7:30 pm |
| 7:00 pm | 8:30 pm |
| 8:00 pm | 9:30 pm |
| 9:00 pm | 10:30 pm |
| 10:00 pm | 11:30 pm |
| 11:00 pm | 12:30 am (next day) |
Working hours overlap
When 9 am – 5 pm on both sides meet, in each side's own time.
| January | July | |
|---|---|---|
| Gulf Standard Time | 9:00 am – 3:30 pm (6 hours 30 min) | 9:00 am – 3:30 pm (6 hours 30 min) |
| India Standard Time | 10:30 am – 5:00 pm (6 hours 30 min) | 10:30 am – 5:00 pm (6 hours 30 min) |
About these abbreviations
- GST: Gulf Standard Time (Dubai, Abu Dhabi), UTC+4 all year.
- IST: India Standard Time, UTC+5:30 all year. Ireland and Israel also use the letters IST for their own zones.
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