Offset
The time difference between Sydney and Phnom Penh is 3 hours.
Sydney (AEST) is ahead of Phnom Penh (ICT).
AEST: UTC+10
ICT: UTC+7
Neither Sydney nor Phnom Penh is currently observing daylight saving time.
When to schedule
Business-hours overlap: 12 PM–5 PM in Sydney (9 AM–2 PM in Phnom Penh).
Both teams are in working hours during this window on weekdays.
Suggested time: 2:00 PM Sydney (11:00 AM Phnom Penh).
This window may shift by an hour during daylight saving time.
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.
Australia
- New Year's DayThu, Jan 1
- Australia DayMon, Jan 26
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Sydney uses Australian Eastern Time (AEST, or AEDT). To call Australia, dial +61.
Phnom Penh uses Indochina Time (ICT). To call Cambodia, dial +855.
Phnom Penh is approximately 4,350 miles northwest of Sydney.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Sydney | Phnom Penh | Day |
|---|---|---|
| 12:00 am | 9:00 pm | -1 day |
| 1:00 am | 10:00 pm | -1 day |
| 2:00 am | 11:00 pm | -1 day |
| 3:00 am | 12:00 am | Same day |
| 4:00 am | 1:00 am | Same day |
| 5:00 am | 2:00 am | Same day |
| 6:00 am | 3:00 am | Same day |
| 7:00 am | 4:00 am | Same day |
| 8:00 am | 5:00 am | Same day |
| 9:00 am | 6:00 am | Same day |
| 10:00 am | 7:00 am | Same day |
| 11:00 am | 8:00 am | Same day |
| 12:00 pm | 9:00 am | Same day |
| 1:00 pm | 10:00 am | Same day |
| 2:00 pm | 11:00 am | Same day |
| 3:00 pm | 12:00 pm | Same day |
| 4:00 pm | 1:00 pm | Same day |
| 5:00 pm | 2:00 pm | Same day |
| 6:00 pm | 3:00 pm | Same day |
| 7:00 pm | 4:00 pm | Same day |
| 8:00 pm | 5:00 pm | Same day |
| 9:00 pm | 6:00 pm | Same day |
| 10:00 pm | 7:00 pm | Same day |
| 11:00 pm | 8:00 pm | Same day |
Daylight saving time
Sydney observes daylight saving time; Phnom Penh does not. The offset between the two zones changes when Sydney transitions: on Sunday, October 4, 2026, clocks spring forward from AEST to AEDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:56 AM
- Sunset
- 4:54 PM
- Day length
- 9h 58m
- Sunrise
- 5:37 AM
- Sunset
- 6:24 PM
- Day length
- 12h 47m
Daylight overlap: 8h 17m — 8:37 AM–4:54 PM in Sydney (5:37 AM–1:54 PM in Phnom Penh). Both locations are in daylight during this window.
Cities in these zones
Other cities in Australian Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Australian Eastern Time
- SYD
- CBR
Airports in Indochina Time
- KTI
Related conversions
Common conversions
- What is 9:00 am Sydney in Phnom Penh?
- 9:00 am Sydney is 6:00 am Phnom Penh.
- What is 12:00 pm Sydney in Phnom Penh?
- 12:00 pm Sydney is 9:00 am Phnom Penh.
- What is 12:30 pm Sydney in Phnom Penh?
- 12:30 pm Sydney is 9:30 am Phnom Penh.
- What is 2:00 pm Sydney in Phnom Penh?
- 2:00 pm Sydney is 11:00 am Phnom Penh.
- What is 5:00 pm Sydney in Phnom Penh?
- 5:00 pm Sydney is 2:00 pm Phnom Penh.
- What is 11:30 pm Sydney in Phnom Penh?
- 11:30 pm Sydney is 8:30 pm Phnom Penh.