Manila to Tehran
-4h 30mManila
PHTSOURCETehran
IRSTGreen rows indicate typical business hours (9 AM - 5 PM)
PHT and IRST on the World Map
The map below highlights the PHT (Philippine Time) and IRST (Iran 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.
IRST – Iran Standard Time
UTC+03:30Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.
- •IRST is one of only a few time zones with a 30-minute offset.
- •Iran observes daylight saving time, switching to IRDT (UTC+04:30).
- •Tehran has a metropolitan population of over 16 million.
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.
About Tehran
WikipediaTehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.
Iran Standard Time (IRST) is one of few timezones with a 30-minute offset (UTC+3:30).
Manila vs Tehran: Offsets, DST and Best Call Times
Manila runs on Philippine Standard Time (PHT) at UTC+08:00. Tehran runs on Iran Standard Time (IRST) at UTC+03:30. That puts Manila 4 hours 30 minutes behind Tehran — a difference of -4h 30m at the current offsets.
In practice, when it is 9:00 AM in Manila it is 4:30 AM in Tehran. Midnight in Manila is 7:30 PM in Tehran. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Manila to Tehran time conversion table
| Manila (PHT) | Tehran (IRST) | Day |
|---|---|---|
| 12:00 AM | 7:30 PM | previous day |
| 6:00 AM | 1:30 AM | same day |
| 7:00 AM | 2:30 AM | same day |
| 8:00 AM | 3:30 AM | same day |
| 9:00 AM | 4:30 AM | same day |
| 12:00 PM | 7:30 AM | same day |
| 3:00 PM | 10:30 AM | same day |
| 5:00 PM | 12:30 PM | same day |
| 6:00 PM | 1:30 PM | same day |
| 9:00 PM | 4:30 PM | same day |
Why people convert Manila to Tehran time
- Scheduling a call from Manila to Tehran: a 10:00 AM start in Manila lands at 5:30 AM in Tehran, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Manila and Tehran are inside the 9-to-5 working day between 1:30 PM and 5:00 PM PHT time (9:00 AM–12:30 PM IRST). That is roughly 3 hours 30 minutes of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Manila is 3:30 PM in Tehran 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 -4h 30m gap is not.
- Block 1:30 PM–5:00 PM PHT as the recurring meeting window if you work primarily from Manila and need Tehran 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 IRST (Iran Standard Time)
Iran Standard Time (IRST) is one of the few time zones with a 30-minute offset. Iran observes daylight saving time (IRDT, UTC+04:30) from late March to late September. Tehran, the capital, is one of the largest cities in the Middle East.
Best time to call between Manila and Tehran
Both Manila and Tehran sit inside the 9 AM – 5 PM working day between 1:30 PM–5:00 PM PHT, which is 9:00 AM–12:30 PM IRST. That gives roughly 3 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Manila and Tehran overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
Manila is 4 hours 30 minutes behind Tehran (PHT UTC+08:00 → IRST UTC+03:30). The shared working window is 1:30 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 Manila and Tehran?
Manila (PHT, UTC+08:00) is 4 hours 30 minutes behind Tehran (IRST, UTC+03:30). The gap is currently -4h 30m.
How do I convert Manila time to Tehran time?
Add -4h 30m to Manila local time. For example, 9:00 AM in Manila is 4:30 AM in Tehran.
What time is it in Tehran right now?
Tehran uses IRST at UTC+03:30. Use the live converter at the top of this page — it updates in real time and already accounts for the -4h 30m offset from Manila.
What is the best time to call Tehran from Manila?
Call between 1:30 PM and 5:00 PM PHT — that maps to 9:00 AM–12:30 PM IRST and keeps both parties inside the working day.
Which is behind, Manila or Tehran?
Manila is 4 hours 30 minutes behind Tehran. When it is 12:00 PM in Manila it is 7:30 AM in Tehran.
Do Manila and Tehran use different time zones?
Manila (Philippines) uses PHT at UTC+08:00, while Tehran (Iran) uses IRST at UTC+03:30. The IANA identifiers are Asia/Manila and Asia/Tehran.
Does daylight saving time affect the Manila–Tehran difference?
Neither zone observes daylight saving time, so the -4h 30m offset between Manila and Tehran 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 Tehran?
Not normally. The -4h 30m gap only pushes the date over the previous day.
What is the time difference between Manila and Tehran?
Tehran is -4h 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 Tehran in?
Tehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.
What are the business hours in Manila?
Standard business hours in Manila are 8:00 AM - 5:00 PM PHT.
What are the business hours in Tehran?
Standard business hours in Tehran are 8:00 AM - 4:00 PM IRST.
What is the best time to schedule a call between Manila and Tehran?
The best overlap for a call is when both cities are in business hours. Manila works 8:00 AM - 5:00 PM PHT and Tehran works 8:00 AM - 4:00 PM IRST (-4h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Manila and Tehran?
Manila uses PHP (₱) while Tehran uses IRR (﷼). Check current exchange rates when planning travel or business between these cities.
How do Manila and Tehran compare in size?
Manila has a population of approximately 1.8 million (metro: 14.4 million), while Tehran has approximately 9.4 million (metro: 16.8 million).
What are the major landmarks in Manila and Tehran?
Manila is known for Intramuros, Rizal Park, Manila Ocean Park. Tehran is famous for Azadi Tower, Golestan Palace, Grand Bazaar.
Do Manila and Tehran have stock exchanges?
Yes. Manila has the PSE (Philippine Stock Exchange) and Tehran has the TSE (Tehran Stock Exchange). The -4h 30m time difference affects trading hour overlaps between these exchanges.
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 IRST timezone?
Major cities in the IRST timezone include Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
What is the UTC offset for IRST?
Iran Standard Time (IRST) is at UTC+03:30. During daylight saving time, it shifts to IRDT.
What should I know about the IRST timezone?
IRST is one of only a few time zones with a 30-minute offset. Iran observes daylight saving time, switching to IRDT (UTC+04:30).
When is it midnight in Manila, what time is it in Tehran?
When it is 12:00 AM (midnight) in Manila (PHT), it is -4h 30m later in Tehran (IRST).
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