Offset
The time difference between Delhi and Belfast is 4.5 hours.
Delhi (IST) is ahead of Belfast (BST).
IST: UTC+5:30
BST: UTC+1
Belfast is currently observing daylight saving time; Delhi is not.
When to schedule
Business-hours overlap: 2 PM–5 PM in Delhi (9 AM–12 PM in Belfast).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Delhi (10:30 AM Belfast).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
United Kingdom
- Good FridayFri, Apr 3
- Early May Bank HolidayMon, May 4
- Spring Bank HolidayMon, May 25
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Delhi | Belfast | Day |
|---|---|---|
| 12:00 am | 7:30 pm | -1 day |
| 1:00 am | 8:30 pm | -1 day |
| 2:00 am | 9:30 pm | -1 day |
| 3:00 am | 10:30 pm | -1 day |
| 4:00 am | 11:30 pm | -1 day |
| 5:00 am | 12:30 am | Same day |
| 6:00 am | 1:30 am | Same day |
| 7:00 am | 2:30 am | Same day |
| 8:00 am | 3:30 am | Same day |
| 9:00 am | 4:30 am | Same day |
| 10:00 am | 5:30 am | Same day |
| 11:00 am | 6:30 am | Same day |
| 12:00 pm | 7:30 am | Same day |
| 1:00 pm | 8:30 am | Same day |
| 2:00 pm | 9:30 am | Same day |
| 3:00 pm | 10:30 am | Same day |
| 4:00 pm | 11:30 am | Same day |
| 5:00 pm | 12:30 pm | Same day |
| 6:00 pm | 1:30 pm | Same day |
| 7:00 pm | 2:30 pm | Same day |
| 8:00 pm | 3:30 pm | Same day |
| 9:00 pm | 4:30 pm | Same day |
| 10:00 pm | 5:30 pm | Same day |
| 11:00 pm | 6:30 pm | Same day |
Daylight saving time
Belfast observes daylight saving time; Delhi does not. The offset between the two zones changes when Belfast transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:23 AM
- Sunset
- 7:19 PM
- Day length
- 13h 56m
- Sunrise
- 4:49 AM
- Sunset
- 9:59 PM
- Day length
- 17h 9m
Daylight overlap: 10h — 9:19 AM–7:19 PM in Delhi (4:49 AM–2:49 PM in Belfast). Both locations are in daylight during this window.
Cities in these zones
Other cities in India Standard Time
Other cities in Greenwich Mean 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 Greenwich Mean Time
- LCY
- LGW
- LHR
- LTN
- STN
- BHX
- EMA
- GLA
- PIK
- LBA
Related conversions
Common conversions
- What is 9:00 am Delhi in Belfast?
- 9:00 am Delhi is 4:30 am Belfast.
- What is 12:00 pm Delhi in Belfast?
- 12:00 pm Delhi is 7:30 am Belfast.
- What is 12:30 pm Delhi in Belfast?
- 12:30 pm Delhi is 8:00 am Belfast.
- What is 2:00 pm Delhi in Belfast?
- 2:00 pm Delhi is 9:30 am Belfast.
- What is 5:00 pm Delhi in Belfast?
- 5:00 pm Delhi is 12:30 pm Belfast.
- What is 11:30 pm Delhi in Belfast?
- 11:30 pm Delhi is 7:00 pm Belfast.