ACST to PHT: ACST is 1 hour 30 minutes ahead of PHT
Australian Central Time is 1 hour 30 minutes ahead of Philippine Time right now. It is 9:30 am ACST in Australian Central and 8:00 am PHT in Philippine.
Convert a specific time from ACST to PHT
Pick any time and date to convert it both ways. The conversion runs in your browser against the real zone rules, so a date inside a daylight saving period gets that period's offset rather than today's.
What is the time difference between ACST and PHT?
Philippine Time is 1 hour 30 minutes behind Australian Central Time. To go from ACST to PHT you subtract 1 hour 30 minutes. That gap is not fixed. Across 2026 the distance between these two zones takes 2 different values, from 1 hour 30 minutes to 2 hours 30 minutes, because Australian Central moves its clocks and Philippine does not. This page recomputes it rather than assuming.
ACST to PHT conversion table
Every hour of Friday, September 25, 2026 in Australian Central, with the matching reading in Philippine. 2 of the 24 hours land on a different calendar date in Philippine, which is the part people get wrong when they schedule across this pair.
| ACST | ACST 24h | PHT | PHT 24h | Date |
|---|---|---|---|---|
| 12:00 am | 00:00 | 10:30 pm | 22:30 | the previous day |
| 1:00 am | 01:00 | 11:30 pm | 23:30 | the previous day |
| 2:00 am | 02:00 | 12:30 am | 00:30 | same day |
| 3:00 am | 03:00 | 1:30 am | 01:30 | same day |
| 4:00 am | 04:00 | 2:30 am | 02:30 | same day |
| 5:00 am | 05:00 | 3:30 am | 03:30 | same day |
| 6:00 am | 06:00 | 4:30 am | 04:30 | same day |
| 7:00 am | 07:00 | 5:30 am | 05:30 | same day |
| 8:00 am | 08:00 | 6:30 am | 06:30 | same day |
| 9:00 am | 09:00 | 7:30 am | 07:30 | same day |
| 10:00 am | 10:00 | 8:30 am | 08:30 | same day |
| 11:00 am | 11:00 | 9:30 am | 09:30 | same day |
| 12:00 pm | 12:00 | 10:30 am | 10:30 | same day |
| 1:00 pm | 13:00 | 11:30 am | 11:30 | same day |
| 2:00 pm | 14:00 | 12:30 pm | 12:30 | same day |
| 3:00 pm | 15:00 | 1:30 pm | 13:30 | same day |
| 4:00 pm | 16:00 | 2:30 pm | 14:30 | same day |
| 5:00 pm | 17:00 | 3:30 pm | 15:30 | same day |
| 6:00 pm | 18:00 | 4:30 pm | 16:30 | same day |
| 7:00 pm | 19:00 | 5:30 pm | 17:30 | same day |
| 8:00 pm | 20:00 | 6:30 pm | 18:30 | same day |
| 9:00 pm | 21:00 | 7:30 pm | 19:30 | same day |
| 10:00 pm | 22:00 | 8:30 pm | 20:30 | same day |
| 11:00 pm | 23:00 | 9:30 pm | 21:30 | same day |
What are the best hours to schedule a call between ACST and PHT?
6 hours of the standard 9:00 am to 5:00 pm working day line up in both zones, from 11:00 am ACST to 5:00 pm ACST. In Philippine that window reads 9:30 am to 3:30 pm. Outside it, one side is either not yet at their desk or already gone.
| ACST | PHT | Working hours | Note |
|---|---|---|---|
| 11:00 am | 9:30 am | both sides | mid morning in Australian Central, mid morning in Philippine |
| 12:00 pm | 10:30 am | both sides | noon in Australian Central, mid morning in Philippine |
| 1:00 pm | 11:30 am | both sides | afternoon in Australian Central, mid morning in Philippine |
| 2:00 pm | 12:30 pm | both sides | afternoon in Australian Central, noon in Philippine |
| 3:00 pm | 1:30 pm | both sides | afternoon in Australian Central, afternoon in Philippine |
| 4:00 pm | 2:30 pm | both sides | afternoon in Australian Central, afternoon in Philippine |
Does daylight saving change ACST to PHT?
Australian Central Time is currently on ACST and changes next on Sunday, October 4, 2026, when the clock jumps forward from 1:59 am to 3:00 am and the offset moves from UTC+9:30 to UTC+10:30.
Philippine Time does not move its clocks at all, so its UTC+8 offset holds every day of the year.
Because the two sides do not move together, the answer to this conversion changes during the year. For part of the year the gap is 1 hour 30 minutes and for the rest it is 2 hours 30 minutes. The table above is built for today, not for an average day.
Is ACST ahead of or behind PHT?
ACST is ahead of PHT by 1 hour 30 minutes: when it is 12:00 pm in Australian Central, it is 10:30 am in Philippine. One wrinkle worth knowing: ACST and ACDT are two names for the same zone, not two zones. Australian Central Time reads ACST in winter and ACDT in summer. When somebody types "acst to pht" they nearly always mean the zone rather than the literal winter offset, so this page resolves ACST to Australia/Adelaide and PHT to Asia/Manila and applies whichever offset is genuinely in force on the day.
Australian Central Time covers Adelaide and South Australia, on a half hour offset that also shifts for summer. Philippine Time covers Manila, Cebu and Davao. The identifiers behind them are Australia/Adelaide and Asia/Manila, which is what any calendar or scheduling system should be storing rather than a fixed number of hours.
Questions
- What is ACST in PHT?
- ACST is 1 hour 30 minutes ahead of PHT. 9:00 am ACST is 7:30 am PHT.
- How many hours ahead is PHT of ACST?
- PHT is 1 hour 30 minutes behind ACST. That varies across the year, between 1 hour 30 minutes and 2 hours 30 minutes.
- What time is it in Philippine right now?
- 8:00 am PHT on Friday, September 25, 2026.
- When can Australian Central and Philippine meet during working hours?
- Between 11:00 am and 5:00 pm ACST, which is 9:30 am to 3:30 pm PHT.
- Does this account for daylight saving?
- Yes. Every reading is computed from the IANA database for the actual date, so ACST and PHT are the abbreviations genuinely in force today rather than a fixed assumption.
Other conversions
12 and 24 hour converter · 8 hours from now · Today · Day counter