Offset
The time difference between Cairo and Tehran is 0.5 hours.
Cairo (GMT+3) is behind Tehran (IRST).
GMT+3: UTC+3
IRST: UTC+3:30
Cairo is currently observing daylight saving time; Tehran is not.
When to schedule
Business-hours overlap: 9 AM–5 PM in Cairo (9 AM–5 PM in Tehran).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Cairo (1:30 PM Tehran).
This window may shift by an hour during daylight saving time.
Note: the working week in Egypt runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
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.
Egypt
- Christmas Day (Orthodox)Wed, Jan 7
- Revolution Day 2011 / National Police DaySun, Jan 25
- Sinai Liberation DaySat, Apr 25
- Labour DayFri, May 1
- June 30 RevolutionThu, Jul 2
- Revolution DayThu, Jul 23
- Armed Forces DayTue, Oct 6
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Cairo | Tehran | Day |
|---|---|---|
| 12:00 am | 12:30 am | Same day |
| 1:00 am | 1:30 am | Same day |
| 2:00 am | 2:30 am | Same day |
| 3:00 am | 3:30 am | Same day |
| 4:00 am | 4:30 am | Same day |
| 5:00 am | 5:30 am | Same day |
| 6:00 am | 6:30 am | Same day |
| 7:00 am | 7:30 am | Same day |
| 8:00 am | 8:30 am | Same day |
| 9:00 am | 9:30 am | Same day |
| 10:00 am | 10:30 am | Same day |
| 11:00 am | 11:30 am | Same day |
| 12:00 pm | 12:30 pm | Same day |
| 1:00 pm | 1:30 pm | Same day |
| 2:00 pm | 2:30 pm | Same day |
| 3:00 pm | 3:30 pm | Same day |
| 4:00 pm | 4:30 pm | Same day |
| 5:00 pm | 5:30 pm | Same day |
| 6:00 pm | 6:30 pm | Same day |
| 7:00 pm | 7:30 pm | Same day |
| 8:00 pm | 8:30 pm | Same day |
| 9:00 pm | 9:30 pm | Same day |
| 10:00 pm | 10:30 pm | Same day |
| 11:00 pm | 11:30 pm | Same day |
Daylight saving time
Cairo observes daylight saving time; Tehran does not. The offset between the two zones changes when Cairo transitions: on Thursday, October 29, 2026, clocks fall back from GMT+3 to GMT+2.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:54 AM
- Sunset
- 7:56 PM
- Day length
- 14h 1m
- Sunrise
- 4:49 AM
- Sunset
- 7:19 PM
- Day length
- 14h 30m
Daylight overlap: 12h 55m — 5:54 AM–6:49 PM in Cairo (6:24 AM–7:19 PM in Tehran). Both locations are in daylight during this window.
Cities in these zones
Other cities in Eastern European Summer Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Eastern European Summer Time
- CAI
- SPX
- HBE
Airports in Iran Standard Time
- IKA
- THR
- MHD
- IFN
- PYK
- TBZ
Related conversions
Common conversions
- What is 9:00 am Cairo in Tehran?
- 9:00 am Cairo is 9:30 am Tehran.
- What is 12:00 pm Cairo in Tehran?
- 12:00 pm Cairo is 12:30 pm Tehran.
- What is 12:30 pm Cairo in Tehran?
- 12:30 pm Cairo is 1:00 pm Tehran.
- What is 2:00 pm Cairo in Tehran?
- 2:00 pm Cairo is 2:30 pm Tehran.
- What is 5:00 pm Cairo in Tehran?
- 5:00 pm Cairo is 5:30 pm Tehran.
- What is 11:30 pm Cairo in Tehran?
- 11:30 pm Cairo is 12:00 am Tehran, the next day.