Offset
The time difference between Riyadh and Phnom Penh is 4 hours.
Riyadh (AST) is behind Phnom Penh (ICT).
AST: UTC+3
ICT: UTC+7
Neither Riyadh nor Phnom Penh is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–1 PM in Riyadh (1 PM–5 PM in Phnom Penh).
Both teams are in working hours during this window on weekdays.
Suggested time: 11:00 AM Riyadh (3:00 PM Phnom Penh).
Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
About these zones
Riyadh uses Arabia Standard Time (AST). To call Saudi Arabia, dial +966.
Phnom Penh uses Indochina Time (ICT). To call Cambodia, dial +855.
Phnom Penh is approximately 3,900 miles east of Riyadh.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Riyadh | 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 Riyadh 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
- 5:04 AM
- Sunset
- 6:42 PM
- Day length
- 13h 37m
- Sunrise
- 5:37 AM
- Sunset
- 6:24 PM
- Day length
- 12h 47m
Daylight overlap: 9h 19m — 5:04 AM–2:24 PM in Riyadh (9:04 AM–6:24 PM in Phnom Penh). Both locations are in daylight during this window.
Cities in these zones
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Arabia Standard Time
- JED
- RUH
- MED
- DMM
Airports in Indochina Time
- KTI
Related conversions
Common conversions
- What is 9:00 am Riyadh in Phnom Penh?
- 9:00 am Riyadh is 1:00 pm Phnom Penh.
- What is 12:00 pm Riyadh in Phnom Penh?
- 12:00 pm Riyadh is 4:00 pm Phnom Penh.
- What is 12:30 pm Riyadh in Phnom Penh?
- 12:30 pm Riyadh is 4:30 pm Phnom Penh.
- What is 2:00 pm Riyadh in Phnom Penh?
- 2:00 pm Riyadh is 6:00 pm Phnom Penh.
- What is 5:00 pm Riyadh in Phnom Penh?
- 5:00 pm Riyadh is 9:00 pm Phnom Penh.
- What is 11:30 pm Riyadh in Phnom Penh?
- 11:30 pm Riyadh is 3:30 am Phnom Penh, the next day.