Offset
The time difference between Phnom Penh and Riyadh is 4 hours.
Phnom Penh (ICT) is ahead of Riyadh (AST).
ICT: UTC+7
AST: UTC+3
Neither Phnom Penh nor Riyadh is currently observing daylight saving time.
When to schedule
Business-hours overlap: 1 PM–5 PM in Phnom Penh (9 AM–1 PM in Riyadh).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Phnom Penh (11:00 AM Riyadh).
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
Phnom Penh uses Indochina Time (ICT). To call Cambodia, dial +855.
Riyadh uses Arabia Standard Time (AST). To call Saudi Arabia, dial +966.
Riyadh is approximately 3,900 miles west of Phnom Penh.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Phnom Penh | Riyadh | Day |
|---|---|---|
| 12:00 am | 8:00 pm | -1 day |
| 1:00 am | 9:00 pm | -1 day |
| 2:00 am | 10:00 pm | -1 day |
| 3:00 am | 11:00 pm | -1 day |
| 4:00 am | 12:00 am | Same day |
| 5:00 am | 1:00 am | Same day |
| 6:00 am | 2:00 am | Same day |
| 7:00 am | 3:00 am | Same day |
| 8:00 am | 4:00 am | Same day |
| 9:00 am | 5:00 am | Same day |
| 10:00 am | 6:00 am | Same day |
| 11:00 am | 7:00 am | Same day |
| 12:00 pm | 8:00 am | Same day |
| 1:00 pm | 9:00 am | Same day |
| 2:00 pm | 10:00 am | Same day |
| 3:00 pm | 11:00 am | Same day |
| 4:00 pm | 12:00 pm | Same day |
| 5:00 pm | 1:00 pm | Same day |
| 6:00 pm | 2:00 pm | Same day |
| 7:00 pm | 3:00 pm | Same day |
| 8:00 pm | 4:00 pm | Same day |
| 9:00 pm | 5:00 pm | Same day |
| 10:00 pm | 6:00 pm | Same day |
| 11:00 pm | 7:00 pm | Same day |
Daylight saving time
Neither Phnom Penh nor Riyadh 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
- 5:37 AM
- Sunset
- 6:24 PM
- Day length
- 12h 47m
- Sunrise
- 5:04 AM
- Sunset
- 6:42 PM
- Day length
- 13h 37m
Daylight overlap: 9h 19m — 9:04 AM–6:24 PM in Phnom Penh (5:04 AM–2:24 PM in Riyadh). 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 Indochina Time
- KTI
Airports in Arabia Standard Time
- JED
- RUH
- MED
- DMM
Related conversions
Common conversions
- What is 9:00 am Phnom Penh in Riyadh?
- 9:00 am Phnom Penh is 5:00 am Riyadh.
- What is 12:00 pm Phnom Penh in Riyadh?
- 12:00 pm Phnom Penh is 8:00 am Riyadh.
- What is 12:30 pm Phnom Penh in Riyadh?
- 12:30 pm Phnom Penh is 8:30 am Riyadh.
- What is 2:00 pm Phnom Penh in Riyadh?
- 2:00 pm Phnom Penh is 10:00 am Riyadh.
- What is 5:00 pm Phnom Penh in Riyadh?
- 5:00 pm Phnom Penh is 1:00 pm Riyadh.
- What is 11:30 pm Phnom Penh in Riyadh?
- 11:30 pm Phnom Penh is 7:30 pm Riyadh.