Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Philippines to ACST

+1h 30m

Philippines

PHTSOURCE

UTC+08:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

ACST

UTC+09:30DST observed

HH01

MM30

13:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Philippines

ACST

12:00 AM

1:30 AM

2:00 AM

3:30 AM

4:00 AM

5:30 AM

6:00 AM

7:30 AM

8:00 AM

9:30 AM

10:00 AM

11:30 AM

12:00 PM

1:30 PM

2:00 PM

3:30 PM

4:00 PM

5:30 PM

6:00 PM

7:30 PM

8:00 PM

9:30 PM

10:00 PM

11:30 PM

Green 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 Zone

→

ACST Zone

Explore all world timezones interactively →

PHT – Philippine Time

UTC+08:00

Philippine Time (PHT, UTC+08:00) is the time zone for the Philippines, 8 hours ahead of UTC.

Countries in PHT

Philippines

Major Cities in PHT

ManilaQuezon CityDavao CityCebu CityZamboanga

Key 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.
•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.

Daylight Saving:No – UTC+08:00 year-round

Learn more about PHT on Wikipedia

ACST – Australian Central Standard Time

UTC+09:30

Australian Central Standard Time (ACST, UTC+09:30) covers South Australia and the Northern Territory, on a half-hour offset.

Countries in ACST

Australia (South Australia, Northern Territory)

Major Cities in ACST

AdelaideDarwinAlice SpringsMount Gambier

Key Facts about ACST

•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.

Daylight Saving:Yes – switches to ACDT

Learn more about ACST on Wikipedia

Time Conversion Guide: Philippines to ACST

Philippines runs on Philippine Standard Time (PHT) at UTC+08:00. ACST runs on Australian Central Standard Time (ACST) at UTC+09:30. That puts Philippines 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 Philippines it is 10:30 AM in ACST. Midnight in Philippines is 1:30 AM in ACST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Philippines to ACST time conversion table

Philippines (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 Philippines to ACST time

Scheduling a call from Philippines to ACST: a 10:00 AM start in Philippines lands at 11:30 AM in ACST, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Philippines 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.
Watching a live event or market open: Philippines viewers need 10:30 AM in ACST to catch a 9:00 AM start there, and 10:30 PM if the event is anchored to Philippines.

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 Philippines 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 Philippines and ACST

Both Philippines 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

Philippines and ACST share 6 hours of working-hours overlap (9:00 AM–3:30 PM PHT), so scheduling a live meeting is straightforward.

Philippines 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

Philippines

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:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Philippines and ACST?

Philippines (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 Philippines time to ACST time?

Add +1h 30m to Philippines local time. For example, 9:00 AM in Philippines 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 Philippines.

What is the best time to call ACST from Philippines?

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, Philippines or ACST?

Philippines is 1 hour 30 minutes ahead of ACST. When it is 12:00 PM in Philippines it is 1:30 PM in ACST.

Do Philippines and ACST use different time zones?

Philippines (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 Philippines–ACST difference?

Neither zone observes daylight saving time, so the +1h 30m offset between Philippines and ACST is fixed all year.

Which other cities share Philippines's time zone?

PHT also covers Manila, Quezon City, Davao City, Cebu City, Zamboanga.

Which countries use PHT, Philippines's zone?

PHT is used in Philippines.

Is there a day difference between Philippines and ACST?

Not normally. The +1h 30m gap only pushes the date over for late-evening times.

What is the time difference between Philippines and ACST?

ACST is +1h 30m from Philippines.

What timezone is Philippines in?

Philippines operates on its local timezone.

What timezone is ACST in?

ACST operates on its local timezone.

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.