PHT to GST
-4hPHT
PHTSOURCEGST
GSTGreen rows indicate typical business hours (9 AM - 5 PM)
PHT and GST on the World Map
The map below highlights the PHT (Philippine Time) and GST (Gulf 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.
GST – Gulf Standard Time
UTC+04:00Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.
- •Dubai uses GST year-round with no daylight saving time.
- •GST is 9 hours ahead of EST and 4 hours ahead of GMT.
- •The Dubai Financial Market (DFM) operates on GST.
Time Conversion Guide: PHT to GST
PHT runs on Philippine Time (PHT) at UTC+08:00. GST runs on Gulf Standard Time (GST) at UTC+04:00. That puts PHT 4 hours behind GST — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in PHT it is 5:00 AM in GST. Midnight in PHT is 8:00 PM in GST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
PHT to GST time conversion table
| PHT (PHT) | GST (GST) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert PHT to GST time
- Scheduling a call from PHT to GST: a 10:00 AM start in PHT lands at 6:00 AM in GST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both PHT and GST are inside the 9-to-5 working day between 1:00 PM and 5:00 PM PHT time (9:00 AM–1:00 PM GST). That is roughly 4 hours of usable overlap.
- Coordinating a PHT-based team with GST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM PHT" is unambiguous; "3 PM" across a -4h gap is not.
- Block 1:00 PM–5:00 PM PHT as the recurring meeting window if you work primarily from PHT and need GST 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 GST (Gulf Standard Time)
Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.
Best time to call between PHT and GST
Both PHT and GST sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM PHT, which is 9:00 AM–1:00 PM GST. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
PHT and GST overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
PHT is 4 hours behind GST (PHT UTC+08:00 → GST UTC+04:00). The shared working window is 1:00 PM–5:00 PM PHT. Remember to re-check around daylight-saving transitions.
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 PHT and GST?
PHT (PHT, UTC+08:00) is 4 hours behind GST (GST, UTC+04:00). The gap is currently -4h.
How do I convert PHT time to GST time?
Add -4h to PHT local time. For example, 9:00 AM in PHT is 5:00 AM in GST.
What time is it in GST right now?
GST uses GST at UTC+04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -4h offset from PHT.
What is the best time to call GST from PHT?
Call between 1:00 PM and 5:00 PM PHT — that maps to 9:00 AM–1:00 PM GST and keeps both parties inside the working day.
Which is behind, PHT or GST?
PHT is 4 hours behind GST. When it is 12:00 PM in PHT it is 8:00 AM in GST.
Does daylight saving time affect the PHT–GST difference?
Neither zone observes daylight saving time, so the -4h offset between PHT and GST is fixed all year.
Which other cities share PHT's time zone?
PHT also covers Manila, Quezon City, Davao City, Cebu City, Zamboanga.
Which countries use PHT, PHT's zone?
PHT is used in Philippines.
Is there a day difference between PHT and GST?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between PHT and GST?
GST is -4h from PHT.
What timezone is PHT in?
PHT operates on its local timezone.
What timezone is GST in?
GST 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.
Which cities are in the GST timezone?
Major cities in the GST timezone include Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
What is the UTC offset for GST?
Gulf Standard Time (GST) is at UTC+04:00.
What should I know about the GST timezone?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
When is it midnight in PHT, what time is it in GST?
When it is 12:00 AM (midnight) in PHT (PHT), it is -4h later in GST (GST).
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