Tehran to Manila
+4h 30mTehran
IRSTSOURCEManila
PHTGreen rows indicate typical business hours (9 AM - 5 PM)
IRST and PHT on the World Map
The map below highlights the IRST (Iran Standard Time) and PHT (Philippine Time) timezone regions across the globe.
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.
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.
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).
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.
Understanding the +4h 30m Gap: Tehran vs Manila
Tehran runs on Iran Standard Time (IRST) at UTC+03:30. Manila runs on Philippine Standard Time (PHT) at UTC+08:00. That puts Tehran 4 hours 30 minutes ahead of Manila — a difference of +4h 30m at the current offsets.
In practice, when it is 9:00 AM in Tehran it is 1:30 PM in Manila. Midnight in Tehran is 4:30 AM in Manila. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Tehran to Manila time conversion table
| Tehran (IRST) | Manila (PHT) | Day |
|---|---|---|
| 12:00 AM | 4:30 AM | same day |
| 6:00 AM | 10:30 AM | same day |
| 7:00 AM | 11:30 AM | same day |
| 8:00 AM | 12:30 PM | same day |
| 9:00 AM | 1:30 PM | same day |
| 12:00 PM | 4:30 PM | same day |
| 3:00 PM | 7:30 PM | same day |
| 5:00 PM | 9:30 PM | same day |
| 6:00 PM | 10:30 PM | same day |
| 9:00 PM | 1:30 AM | next day |
Why people convert Tehran to Manila time
- Scheduling a call from Tehran to Manila: a 10:00 AM start in Tehran lands at 2:30 PM in Manila, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Tehran and Manila are inside the 9-to-5 working day between 9:00 AM and 12:30 PM IRST time (1:30 PM–5:00 PM PHT). That is roughly 3 hours 30 minutes of usable overlap.
- Coordinating a Tehran-based team with Manila 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 IRST" is unambiguous; "3 PM" across a +4h 30m gap is not.
- Block 9:00 AM–12:30 PM IRST as the recurring meeting window if you work primarily from Tehran and need Manila colleagues present.
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.
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.
Best time to call between Tehran and Manila
Both Tehran and Manila sit inside the 9 AM – 5 PM working day between 9:00 AM–12:30 PM IRST, which is 1:30 PM–5:00 PM PHT. That gives roughly 3 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Tehran and Manila overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
Tehran is 4 hours 30 minutes ahead of Manila (IRST UTC+03:30 → PHT UTC+08:00). The shared working window is 9:00 AM–12:30 PM IRST. 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 Tehran and Manila?
Tehran (IRST, UTC+03:30) is 4 hours 30 minutes ahead of Manila (PHT, UTC+08:00). The gap is currently +4h 30m.
How do I convert Tehran time to Manila time?
Add +4h 30m to Tehran local time. For example, 9:00 AM in Tehran is 1:30 PM in Manila.
What time is it in Manila right now?
Manila uses PHT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +4h 30m offset from Tehran.
What is the best time to call Manila from Tehran?
Call between 9:00 AM and 12:30 PM IRST — that maps to 1:30 PM–5:00 PM PHT and keeps both parties inside the working day.
Which is ahead, Tehran or Manila?
Tehran is 4 hours 30 minutes ahead of Manila. When it is 12:00 PM in Tehran it is 4:30 PM in Manila.
Do Tehran and Manila use different time zones?
Tehran (Iran) uses IRST at UTC+03:30, while Manila (Philippines) uses PHT at UTC+08:00. The IANA identifiers are Asia/Tehran and Asia/Manila.
Does daylight saving time affect the Tehran–Manila difference?
Neither zone observes daylight saving time, so the +4h 30m offset between Tehran and Manila is fixed all year.
Which other cities share Tehran's time zone?
IRST also covers Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
Which countries use IRST, Tehran's zone?
IRST is used in Iran.
Is there a day difference between Tehran and Manila?
Not normally. The +4h 30m gap only pushes the date over for late-evening times.
What is the time difference between Tehran and Manila?
Manila is +4h 30m from Tehran.
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 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 are the business hours in Tehran?
Standard business hours in Tehran are 8:00 AM - 4:00 PM IRST.
What are the business hours in Manila?
Standard business hours in Manila are 8:00 AM - 5:00 PM PHT.
What is the best time to schedule a call between Tehran and Manila?
The best overlap for a call is when both cities are in business hours. Tehran works 8:00 AM - 4:00 PM IRST and Manila works 8:00 AM - 5:00 PM PHT (+4h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Tehran and Manila?
Tehran uses IRR (﷼) while Manila uses PHP (₱). Check current exchange rates when planning travel or business between these cities.
How do Tehran and Manila compare in size?
Tehran has a population of approximately 9.4 million (metro: 16.8 million), while Manila has approximately 1.8 million (metro: 14.4 million).
What are the major landmarks in Tehran and Manila?
Tehran is known for Azadi Tower, Golestan Palace, Grand Bazaar. Manila is famous for Intramuros, Rizal Park, Manila Ocean Park.
Do Tehran and Manila have stock exchanges?
Yes. Tehran has the TSE (Tehran Stock Exchange) and Manila has the PSE (Philippine Stock Exchange). The +4h 30m time difference affects trading hour overlaps between these exchanges.
Which countries use IRST (Iran Standard Time)?
IRST is used in Iran.
Does IRST observe daylight saving time?
Yes, IRST switches to IRDT during summer months.
What are some interesting facts about IRST?
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).
Which cities are in the PHT timezone?
Major cities in the PHT timezone include Manila, Quezon City, Davao City, Cebu City, Zamboanga.
What is the UTC offset for PHT?
Philippine Time (PHT) is at UTC+08:00.
What should I know about the PHT timezone?
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.
When is it midnight in Tehran, what time is it in Manila?
When it is 12:00 AM (midnight) in Tehran (IRST), it is +4h 30m later in Manila (PHT).
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