Offset
The time difference between Tehran and Mumbai is 2 hours.
Tehran (IRST) is behind Mumbai (IST).
IRST: UTC+3:30
IST: UTC+5:30
Neither Tehran nor Mumbai is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–3 PM in Tehran (11 AM–5 PM in Mumbai).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Tehran (2:00 PM Mumbai).
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Tehran | Mumbai | Day |
|---|---|---|
| 12:00 am | 2:00 am | Same day |
| 1:00 am | 3:00 am | Same day |
| 2:00 am | 4:00 am | Same day |
| 3:00 am | 5:00 am | Same day |
| 4:00 am | 6:00 am | Same day |
| 5:00 am | 7:00 am | Same day |
| 6:00 am | 8:00 am | Same day |
| 7:00 am | 9:00 am | Same day |
| 8:00 am | 10:00 am | Same day |
| 9:00 am | 11:00 am | Same day |
| 10:00 am | 12:00 pm | Same day |
| 11:00 am | 1:00 pm | Same day |
| 12:00 pm | 2:00 pm | Same day |
| 1:00 pm | 3:00 pm | Same day |
| 2:00 pm | 4:00 pm | Same day |
| 3:00 pm | 5:00 pm | Same day |
| 4:00 pm | 6:00 pm | Same day |
| 5:00 pm | 7:00 pm | Same day |
| 6:00 pm | 8:00 pm | Same day |
| 7:00 pm | 9:00 pm | Same day |
| 8:00 pm | 10:00 pm | Same day |
| 9:00 pm | 11:00 pm | Same day |
| 10:00 pm | 12:00 am | +1 day |
| 11:00 pm | 1:00 am | +1 day |
Daylight saving time
Neither Tehran nor Mumbai 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
- 5:03 AM
- Sunset
- 7:19 PM
- Day length
- 14h 17m
- Sunrise
- 6:11 AM
- Sunset
- 7:20 PM
- Day length
- 13h 8m
Daylight overlap: 12h 17m — 5:03 AM–5:20 PM in Tehran (7:03 AM–7:20 PM in Mumbai). Both locations are in daylight during this window.
Cities in these zones
Other cities in India Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Iran Standard Time
- IKA
- THR
- MHD
- IFN
- PYK
- TBZ
Airports in India Standard Time
- BOM
- NMI
- DEL
- BLR
- HYD
- AMD
- MAA
- CCU
- STV
- PNQ
Related conversions
Common conversions
- What is 9:00 am Tehran in Mumbai?
- 9:00 am Tehran is 11:00 am Mumbai.
- What is 12:00 pm Tehran in Mumbai?
- 12:00 pm Tehran is 2:00 pm Mumbai.
- What is 12:30 pm Tehran in Mumbai?
- 12:30 pm Tehran is 2:30 pm Mumbai.
- What is 2:00 pm Tehran in Mumbai?
- 2:00 pm Tehran is 4:00 pm Mumbai.
- What is 5:00 pm Tehran in Mumbai?
- 5:00 pm Tehran is 7:00 pm Mumbai.
- What is 11:30 pm Tehran in Mumbai?
- 11:30 pm Tehran is 1:30 am Mumbai, the next day.