Offset
The time difference between Tehran and Nairobi is 0.5 hours.
Tehran (IRST) is ahead of Nairobi (EAT).
IRST: UTC+3:30
EAT: UTC+3
Neither Tehran nor Nairobi is currently observing daylight saving time.
When to schedule
Business-hours overlap: 10 AM–5 PM in Tehran (9 AM–4 PM in Nairobi).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Tehran (12:30 PM Nairobi).
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.
Kenya
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Madaraka DayMon, Jun 1
- Mazingira DaySat, Oct 10
- Mashujaa DayTue, Oct 20
- Jamhuri DaySat, Dec 12
- Christmas DayFri, Dec 25
- Boxing DaySat, Dec 26
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Tehran | Nairobi | Day |
|---|---|---|
| 12:00 am | 11:30 pm | -1 day |
| 1:00 am | 12:30 am | Same day |
| 2:00 am | 1:30 am | Same day |
| 3:00 am | 2:30 am | Same day |
| 4:00 am | 3:30 am | Same day |
| 5:00 am | 4:30 am | Same day |
| 6:00 am | 5:30 am | Same day |
| 7:00 am | 6:30 am | Same day |
| 8:00 am | 7:30 am | Same day |
| 9:00 am | 8:30 am | Same day |
| 10:00 am | 9:30 am | Same day |
| 11:00 am | 10:30 am | Same day |
| 12:00 pm | 11:30 am | Same day |
| 1:00 pm | 12:30 pm | Same day |
| 2:00 pm | 1:30 pm | Same day |
| 3:00 pm | 2:30 pm | Same day |
| 4:00 pm | 3:30 pm | Same day |
| 5:00 pm | 4:30 pm | Same day |
| 6:00 pm | 5:30 pm | Same day |
| 7:00 pm | 6:30 pm | Same day |
| 8:00 pm | 7:30 pm | Same day |
| 9:00 pm | 8:30 pm | Same day |
| 10:00 pm | 9:30 pm | Same day |
| 11:00 pm | 10:30 pm | Same day |
Daylight saving time
Neither Tehran nor Nairobi 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
- 4:49 AM
- Sunset
- 7:19 PM
- Day length
- 14h 30m
- Sunrise
- 6:31 AM
- Sunset
- 6:34 PM
- Day length
- 12h 3m
Daylight overlap: 12h 3m — 7:01 AM–7:04 PM in Tehran (6:31 AM–6:34 PM in Nairobi). Both locations are in daylight during this window.
Cities in these zones
Other cities in East Africa 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 East Africa Time
- NBO
- WIL
- KIS
Related conversions
Common conversions
- What is 9:00 am Tehran in Nairobi?
- 9:00 am Tehran is 8:30 am Nairobi.
- What is 12:00 pm Tehran in Nairobi?
- 12:00 pm Tehran is 11:30 am Nairobi.
- What is 12:30 pm Tehran in Nairobi?
- 12:30 pm Tehran is 12:00 pm Nairobi.
- What is 2:00 pm Tehran in Nairobi?
- 2:00 pm Tehran is 1:30 pm Nairobi.
- What is 5:00 pm Tehran in Nairobi?
- 5:00 pm Tehran is 4:30 pm Nairobi.
- What is 11:30 pm Tehran in Nairobi?
- 11:30 pm Tehran is 11:00 pm Nairobi.