Offset
The time difference between Istanbul and Phnom Penh is 4 hours.
Istanbul (TRT) is behind Phnom Penh (ICT).
TRT: UTC+3
ICT: UTC+7
Neither Istanbul nor Phnom Penh is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–1 PM in Istanbul (1 PM–5 PM in Phnom Penh).
Both teams are in working hours during this window on weekdays.
Suggested time: 11:00 AM Istanbul (3:00 PM Phnom Penh).
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.
Turkey
- New Year's DayThu, Jan 1
- National Independence & Children's DayThu, Apr 23
- Labour DayFri, May 1
- Atatürk Commemoration & Youth DayTue, May 19
- Democracy and National Unity DayWed, Jul 15
- Victory DaySun, Aug 30
- Republic DayThu, Oct 29
About these zones
Istanbul uses Turkey Time (TRT). To call Turkey, dial +90.
Phnom Penh uses Indochina Time (ICT). To call Cambodia, dial +855.
Phnom Penh is approximately 4,950 miles east of Istanbul.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Istanbul | Phnom Penh | Day |
|---|---|---|
| 12:00 am | 4:00 am | Same day |
| 1:00 am | 5:00 am | Same day |
| 2:00 am | 6:00 am | Same day |
| 3:00 am | 7:00 am | Same day |
| 4:00 am | 8:00 am | Same day |
| 5:00 am | 9:00 am | Same day |
| 6:00 am | 10:00 am | Same day |
| 7:00 am | 11:00 am | Same day |
| 8:00 am | 12:00 pm | Same day |
| 9:00 am | 1:00 pm | Same day |
| 10:00 am | 2:00 pm | Same day |
| 11:00 am | 3:00 pm | Same day |
| 12:00 pm | 4:00 pm | Same day |
| 1:00 pm | 5:00 pm | Same day |
| 2:00 pm | 6:00 pm | Same day |
| 3:00 pm | 7:00 pm | Same day |
| 4:00 pm | 8:00 pm | Same day |
| 5:00 pm | 9:00 pm | Same day |
| 6:00 pm | 10:00 pm | Same day |
| 7:00 pm | 11:00 pm | Same day |
| 8:00 pm | 12:00 am | +1 day |
| 9:00 pm | 1:00 am | +1 day |
| 10:00 pm | 2:00 am | +1 day |
| 11:00 pm | 3:00 am | +1 day |
Daylight saving time
Neither Istanbul nor Phnom Penh 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
- 5:33 AM
- Sunset
- 8:36 PM
- Day length
- 15h 4m
- Sunrise
- 5:37 AM
- Sunset
- 6:24 PM
- Day length
- 12h 47m
Daylight overlap: 8h 52m — 5:33 AM–2:24 PM in Istanbul (9:33 AM–6:24 PM in Phnom Penh). Both locations are in daylight during this window.
Cities in these zones
Other cities in Turkey Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Turkey Time
- IST
- SAW
- ESB
- YEI
- ADB
- GZT
- DIY
- ADA
- COV
- ASR
Airports in Indochina Time
- KTI
Related conversions
Common conversions
- What is 9:00 am Istanbul in Phnom Penh?
- 9:00 am Istanbul is 1:00 pm Phnom Penh.
- What is 12:00 pm Istanbul in Phnom Penh?
- 12:00 pm Istanbul is 4:00 pm Phnom Penh.
- What is 12:30 pm Istanbul in Phnom Penh?
- 12:30 pm Istanbul is 4:30 pm Phnom Penh.
- What is 2:00 pm Istanbul in Phnom Penh?
- 2:00 pm Istanbul is 6:00 pm Phnom Penh.
- What is 5:00 pm Istanbul in Phnom Penh?
- 5:00 pm Istanbul is 9:00 pm Phnom Penh.
- What is 11:30 pm Istanbul in Phnom Penh?
- 11:30 pm Istanbul is 3:30 am Phnom Penh, the next day.