Paris to Tehran
+1h 30mParis
CESTSOURCETehran
IRSTGreen rows indicate typical business hours (9 AM - 5 PM)
CEST and IRST on the World Map
The map below highlights the CEST (Central European Time) and IRST (Iran Standard Time) timezone regions across the globe.
CET – Central European Time
UTC+01:00Central European Time (CET) is used across most of Western and Central Europe, 1 hour ahead of UTC.
- •CET covers more European countries than any other time zone.
- •Spain uses CET despite being geographically aligned with GMT/WET.
- •The Frankfurt Stock Exchange, Euronext (Amsterdam/Paris), and Borsa Italiana operate on CET.
- •Over 500 million people live in the CET time zone.
- •France moved to CET during the German occupation in WWII and never switched back.
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 Paris
WikipediaParis operates on Central European Time (CET/CEST), one hour ahead of London. As Europe's fashion and cultural capital, Paris time coordinates with major European markets.
The Louvre is the world's most visited museum, housing over 38,000 works including the Mona Lisa.
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).
Paris to Tehran Time Difference – Complete Guide
Paris runs on Central European Summer Time (CEST) at UTC+02:00, currently observing daylight saving time. Tehran runs on Iran Standard Time (IRST) at UTC+03:30. That puts Paris 1 hour 30 minutes ahead of Tehran — a difference of +1h 30m at the current offsets.
In practice, when it is 9:00 AM in Paris it is 10:30 AM in Tehran. Midnight in Paris is 1:30 AM in Tehran.Paris observes daylight saving time while Tehran does not, so the gap narrows or widens by an hour part of the year.
Paris to Tehran time conversion table
| Paris (CEST) | Tehran (IRST) | 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 Paris to Tehran time
- Scheduling a call from Paris to Tehran: a 10:00 AM start in Paris lands at 11:30 AM in Tehran, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Paris and Tehran are inside the 9-to-5 working day between 9:00 AM and 3:30 PM CEST time (10:30 AM–5:00 PM IRST). That is roughly 6 hours 30 minutes of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Paris is 9:30 PM in Tehran makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM CEST" is unambiguous; "3 PM" across a +1h 30m gap is not.
- Block 9:00 AM–3:30 PM CEST as the recurring meeting window if you work primarily from Paris and need Tehran colleagues present.
- Paris: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +1h 30m gap.
About CET (Central European Time)
Central European Time (CET) is the standard time zone for most of Europe, covering over 30 countries from Spain to Poland, and from Norway to Italy. CET is 1 hour ahead of GMT and is used by the European Union's most populous nations. During summer, most CET countries switch to Central European Summer Time (CEST, UTC+02:00). Major European financial markets in Frankfurt, Paris, and Amsterdam operate on CET.
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 Paris and Tehran
Both Paris and Tehran sit inside the 9 AM – 5 PM working day between 9:00 AM–3:30 PM CEST, which is 10:30 AM–5:00 PM IRST. That gives roughly 6 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Paris and Tehran share 6 hours of working-hours overlap (9:00 AM–3:30 PM CEST), so scheduling a live meeting is straightforward.
Paris is 1 hour 30 minutes ahead of Tehran (CEST UTC+02:00 → IRST UTC+03:30). The shared working window is 9:00 AM–3:30 PM CEST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Paris
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
Clocks fall back on Sun, Oct 25, 2026
Tehran
Does not observe DST
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 Paris and Tehran?
Paris (CEST, UTC+02:00) is 1 hour 30 minutes ahead of Tehran (IRST, UTC+03:30). The gap is currently +1h 30m.
How do I convert Paris time to Tehran time?
Add +1h 30m to Paris local time. For example, 9:00 AM in Paris is 10:30 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 +1h 30m offset from Paris.
What is the best time to call Tehran from Paris?
Call between 9:00 AM and 3:30 PM CEST — that maps to 10:30 AM–5:00 PM IRST and keeps both parties inside the working day.
Which is ahead, Paris or Tehran?
Paris is 1 hour 30 minutes ahead of Tehran. When it is 12:00 PM in Paris it is 1:30 PM in Tehran.
Do Paris and Tehran use different time zones?
Paris (France) uses CEST at UTC+02:00, while Tehran (Iran) uses IRST at UTC+03:30. The IANA identifiers are Europe/Paris and Asia/Tehran.
Does daylight saving time affect the Paris–Tehran difference?
Yes at the moment: Paris is on daylight saving time and Tehran is not, so the +1h 30m gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Paris's time zone?
CEST also covers Paris, Berlin, Rome, Madrid, Amsterdam, Brussels, Vienna, Warsaw and 10 more.
Which countries use CEST, Paris's zone?
CEST is used in Germany, France, Italy, Spain, Netherlands, Belgium, Austria, Switzerland and 19 more.
Is there a day difference between Paris and Tehran?
Not normally. The +1h 30m gap only pushes the date over for late-evening times.
What is the time difference between Paris and Tehran?
Tehran is +1h 30m from Paris.
What timezone is Paris in?
Paris operates on Central European Time (CET/CEST), one hour ahead of London. As Europe's fashion and cultural capital, Paris time coordinates with major European markets.
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 Paris?
Standard business hours in Paris are 9:00 AM - 6:00 PM CET.
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 Paris and Tehran?
The best overlap for a call is when both cities are in business hours. Paris works 9:00 AM - 6:00 PM CET and Tehran works 8:00 AM - 4:00 PM IRST (+1h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Paris and Tehran?
Paris uses EUR (€) while Tehran uses IRR (﷼). Check current exchange rates when planning travel or business between these cities.
How do Paris and Tehran compare in size?
Paris has a population of approximately 2.2 million (metro: 12.4 million), while Tehran has approximately 9.4 million (metro: 16.8 million).
What are the major landmarks in Paris and Tehran?
Paris is known for Eiffel Tower, Louvre Museum, Notre-Dame. Tehran is famous for Azadi Tower, Golestan Palace, Grand Bazaar.
Do Paris and Tehran have stock exchanges?
Yes. Paris has the Euronext Paris and Tehran has the TSE (Tehran Stock Exchange). The +1h 30m time difference affects trading hour overlaps between these exchanges.
Which countries use CET (Central European Time)?
CET is used in Germany, France, Italy, Spain, Netherlands, Belgium, and 21 more countries.
Does CET observe daylight saving time?
Yes, CET switches to CEST during summer months.
What are some interesting facts about CET?
CET covers more European countries than any other time zone. Spain uses CET despite being geographically aligned with GMT/WET.
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 Paris, what time is it in Tehran?
When it is 12:00 AM (midnight) in Paris (CET), it is +1h 30m later in Tehran (IRST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Paris time conversions
- paris to cet
- paris to cest
- paris to france
- paris to london
- paris to dublin
- paris to berlin
- paris to amsterdam
- paris to madrid
- paris to rome
- paris to zurich
- paris to stockholm
- paris to moscow
- paris to istanbul
- paris to lisbon
- paris to warsaw
- paris to new york
- paris to dubai
- paris to tokyo
- paris to singapore
- paris to sydney
- paris to los angeles
- paris to delhi
- paris to mumbai
- paris to hong kong
- paris to toronto
- paris to kathmandu
- new york to paris
- london to paris
- dubai to paris
- tokyo to paris
- singapore to paris
- sydney to paris
- los angeles to paris
- delhi to paris
- mumbai to paris
- berlin to paris
See every conversion from Paris →·See every conversion from Tehran →