Offset
The time difference between Philippine Time and Australian Central Time is 1.5 hours.
Philippine Time (PHT) is behind Australian Central Time (ACST).
PHT: UTC+8
ACST: UTC+9:30
Neither Philippine Time nor Australian Central Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Philippine Time (10 AM–5 PM in Australian Central Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Philippine Time (1:30 PM Australian Central Time).
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.
Philippines
- New Year's DayThu, Jan 1
- Chinese New YearTue, Feb 17
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Holy SaturdaySat, Apr 4
- Day of ValorThu, Apr 9
- Labour DayFri, May 1
- Independence DayFri, Jun 12
- Ninoy Aquino DayFri, Aug 21
- National Heroes DayMon, Aug 31
- All Saints' Day EveSat, Oct 31
- All Saints' DaySun, Nov 1
- Bonifacio DayMon, Nov 30
- Feast of the Immaculate Conception of MaryTue, Dec 8
- Christmas EveThu, Dec 24
- Christmas DayFri, Dec 25
- Rizal DayWed, Dec 30
- Last Day of The YearThu, Dec 31
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
Philippine Time is also known as PHT. To call Philippines, dial +63.
Australian Central Time is also known as ACST, or ACDT. To call Australia, dial +61.
Australian Central Time is approximately 3,600 miles south of Philippine Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| PHT | ACST | Day |
|---|---|---|
| 12:00 am | 1:30 am | Same day |
| 1:00 am | 2:30 am | Same day |
| 2:00 am | 3:30 am | Same day |
| 3:00 am | 4:30 am | Same day |
| 4:00 am | 5:30 am | Same day |
| 5:00 am | 6:30 am | Same day |
| 6:00 am | 7:30 am | Same day |
| 7:00 am | 8:30 am | Same day |
| 8:00 am | 9:30 am | Same day |
| 9:00 am | 10:30 am | Same day |
| 10:00 am | 11:30 am | Same day |
| 11:00 am | 12:30 pm | Same day |
| 12:00 pm | 1:30 pm | Same day |
| 1:00 pm | 2:30 pm | Same day |
| 2:00 pm | 3:30 pm | Same day |
| 3:00 pm | 4:30 pm | Same day |
| 4:00 pm | 5:30 pm | Same day |
| 5:00 pm | 6:30 pm | Same day |
| 6:00 pm | 7:30 pm | Same day |
| 7:00 pm | 8:30 pm | Same day |
| 8:00 pm | 9:30 pm | Same day |
| 9:00 pm | 10:30 pm | Same day |
| 10:00 pm | 11:30 pm | Same day |
| 11:00 pm | 12:30 am | +1 day |
Daylight saving time
Australian Central Time observes daylight saving time; Philippine Time does not. The offset between the two zones changes when Australian Central Time transitions: on Sunday, October 4, 2026, clocks spring forward from ACST to ACDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:27 AM
- Sunset
- 6:24 PM
- Day length
- 12h 57m
- Sunrise
- 7:18 AM
- Sunset
- 5:12 PM
- Day length
- 9h 55m
Daylight overlap: 9h 55m — 5:48 AM–3:42 PM in Philippine Time (7:18 AM–5:12 PM in Australian Central Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Philippine Time
Cities in Australian Central Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Philippine Time
- MNL
- DVO
- CBO
- CEB
Airports in Australian Central Time
- ADL
Related conversions
Common conversions
- What is 9:00 am PHT in ACST?
- 9:00 am PHT is 10:30 am ACST.
- What is 12:00 pm PHT in ACST?
- 12:00 pm PHT is 1:30 pm ACST.
- What is 12:30 pm PHT in ACST?
- 12:30 pm PHT is 2:00 pm ACST.
- What is 2:00 pm PHT in ACST?
- 2:00 pm PHT is 3:30 pm ACST.
- What is 5:00 pm PHT in ACST?
- 5:00 pm PHT is 6:30 pm ACST.
- What is 11:30 pm PHT in ACST?
- 11:30 pm PHT is 1:00 am ACST, the next day.