Manila to ACST
+1h 30mManila
PHTSOURCEACST
ACSTGreen rows indicate typical business hours (9 AM - 5 PM)
PHT and ACST on the World Map
The map below highlights the PHT (Philippine Time) and ACST (Australian Central Standard Time) timezone regions across the globe.
PHT – Philippine Time
UTC+08:00Philippine Time (PHT, UTC+08:00) is the time zone for the Philippines, 8 hours ahead of UTC.
- •Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year.
- •PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
- •Manila is one of the largest outsourcing hubs in the world.
- •The Philippines spans one time zone despite being an archipelago of over 7,600 islands.
ACST – Australian Central Standard Time
UTC+09:30Australian Central Standard Time (ACST, UTC+09:30) covers South Australia and the Northern Territory, on a half-hour offset.
- •ACST uses a half-hour offset: UTC+09:30.
- •South Australia moves to ACDT (UTC+10:30) in summer; the Northern Territory does not.
- •Adelaide and Darwin are 30 minutes apart during daylight saving, level in winter.
- •Adelaide is one of the few major cities on a 30-minute offset.
About Manila
WikipediaManila operates on Philippine Time (PHT), UTC+8. As a major BPO hub, Manila time coordinates with US client hours for customer support operations.
Manila is the most densely populated city in the world.
Everything You Need to Know About Manila and ACST Time
Manila runs on Philippine Standard Time (PHT) at UTC+08:00. ACST runs on Australian Central Standard Time (ACST) at UTC+09:30. That puts Manila 1 hour 30 minutes ahead of ACST — a difference of +1h 30m at the current offsets.
In practice, when it is 9:00 AM in Manila it is 10:30 AM in ACST. Midnight in Manila is 1:30 AM in ACST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Manila to ACST time conversion table
| Manila (PHT) | ACST (ACST) | Day |
|---|---|---|
| 12:00 AM | 1:30 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 |
| 12:00 PM | 1:30 PM | same day |
| 3:00 PM | 4:30 PM | same day |
| 5:00 PM | 6:30 PM | same day |
| 6:00 PM | 7:30 PM | same day |
| 9:00 PM | 10:30 PM | same day |
Why people convert Manila to ACST time
- Scheduling a call from Manila to ACST: a 10:00 AM start in Manila lands at 11:30 AM in ACST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Manila and ACST are inside the 9-to-5 working day between 9:00 AM and 3:30 PM PHT time (10:30 AM–5:00 PM ACST). That is roughly 6 hours 30 minutes of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Manila is 9:30 PM in ACST makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM PHT" is unambiguous; "3 PM" across a +1h 30m gap is not.
- Block 9:00 AM–3:30 PM PHT as the recurring meeting window if you work primarily from Manila and need ACST colleagues present.
About PHT (Philippine Time)
Philippine Time (PHT) is fixed at UTC+08:00 all year. The Philippines has not observed daylight saving time since 1978, apart from a brief trial in 1990. PHT shares its offset with China Standard Time, Hong Kong Time, Singapore Time, Malaysian Time and Australian Western Standard Time, which makes Manila a convenient bridge for scheduling across East and Southeast Asia. As one of the world's largest centres for business process outsourcing, Manila keeps overlapping hours with both Australia and, on early shifts, the United States, and its contact-centre schedules are usually planned around Manila local time.
About ACST (Australian Central Standard Time)
Australian Central Standard Time (ACST) is the half-hour offset of UTC+09:30 used across South Australia and the Northern Territory, taking in Adelaide and Darwin. South Australia moves to Australian Central Daylight Time (ACDT, UTC+10:30) from the first Sunday in October to the first Sunday in April, but the Northern Territory does not observe daylight saving — so Adelaide and Darwin sit 30 minutes apart in summer and level with each other in winter. The half-hour offset means Adelaide is 30 minutes behind Sydney in winter and level with it during daylight saving, which regularly catches out travellers and meeting planners.
Best time to call between Manila and ACST
Both Manila and ACST sit inside the 9 AM – 5 PM working day between 9:00 AM–3:30 PM PHT, which is 10:30 AM–5:00 PM ACST. That gives roughly 6 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Manila and ACST share 6 hours of working-hours overlap (9:00 AM–3:30 PM PHT), so scheduling a live meeting is straightforward.
Manila is 1 hour 30 minutes ahead of ACST (PHT UTC+08:00 → ACST UTC+09:30). The shared working window is 9:00 AM–3:30 PM PHT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Manila
Does not observe DST
ACST
❄ Currently in Standard Time
Standard: UTC+09:30 · DST: UTC+10:30
Clocks spring forward on Sat, Oct 3, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Manila and ACST?
Manila (PHT, UTC+08:00) is 1 hour 30 minutes ahead of ACST (ACST, UTC+09:30). The gap is currently +1h 30m.
How do I convert Manila time to ACST time?
Add +1h 30m to Manila local time. For example, 9:00 AM in Manila is 10:30 AM in ACST.
What time is it in ACST right now?
ACST uses ACST at UTC+09:30. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h 30m offset from Manila.
What is the best time to call ACST from Manila?
Call between 9:00 AM and 3:30 PM PHT — that maps to 10:30 AM–5:00 PM ACST and keeps both parties inside the working day.
Which is ahead, Manila or ACST?
Manila is 1 hour 30 minutes ahead of ACST. When it is 12:00 PM in Manila it is 1:30 PM in ACST.
Do Manila and ACST use different time zones?
Manila (Philippines) uses PHT at UTC+08:00, while ACST uses ACST at UTC+09:30. The IANA identifiers are Asia/Manila and Australia/Adelaide.
Does daylight saving time affect the Manila–ACST difference?
Neither zone observes daylight saving time, so the +1h 30m offset between Manila and ACST is fixed all year.
Which other cities share Manila's time zone?
PHT also covers Manila, Quezon City, Davao City, Cebu City, Zamboanga.
Which countries use PHT, Manila's zone?
PHT is used in Philippines.
Is there a day difference between Manila and ACST?
Not normally. The +1h 30m gap only pushes the date over for late-evening times.
What is the time difference between Manila and ACST?
ACST is +1h 30m from Manila.
What timezone is Manila in?
Manila operates on Philippine Time (PHT), UTC+8. As a major BPO hub, Manila time coordinates with US client hours for customer support operations.
What timezone is ACST in?
ACST operates on its local timezone.
What are the business hours in Manila?
Standard business hours in Manila are 8:00 AM - 5:00 PM PHT.
Which countries use PHT (Philippine Time)?
PHT is used in Philippines.
Does PHT observe daylight saving time?
No, PHT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about PHT?
Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year. PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
Which cities are in the ACST timezone?
Major cities in the ACST timezone include Adelaide, Darwin, Alice Springs, Mount Gambier.
What is the UTC offset for ACST?
Australian Central Standard Time (ACST) is at UTC+09:30. During daylight saving time, it shifts to ACDT.
What should I know about the ACST timezone?
ACST uses a half-hour offset: UTC+09:30. South Australia moves to ACDT (UTC+10:30) in summer; the Northern Territory does not.
When is it midnight in Manila, what time is it in ACST?
When it is 12:00 AM (midnight) in Manila (PHT), it is +1h 30m later in ACST (ACST).
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