CET to IRT Time Converter

Convert Central European Time (CET) to Iran Standard Time (IRT). Both time zones are shown live below; current offset between them is 1h 30m ahead.

Paris · Central European Time
03:31:48
Wednesday, May 13, 2026
GMT+2 · UTC+02:00
Tehran · Iran Standard Time
05:01:48
Wednesday, May 13, 2026
GMT+3:30 · UTC+03:30

Convert a specific time

From: CET (Paris)
To: IRT (Tehran)
--:--

Daylight Saving status right now

CET (Central European Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+02:00UTC+01:00
IRT (Iran Standard Time)
Observes DST
No

Heads up: CET observes DST while IRT does not. The 1.5-hour difference shown above will shift by one hour when CET starts or ends DST.

When can CET and IRT meet?

00
01
02
03
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09
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CET
IRT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Paris (CET). Each row shows the local working-hours state in that zone for the same moment in time.
7 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:0015:00 CET (10:3016:30 IRT).

Hour-by-hour CET to IRT conversion table

CET time (Paris)IRT time (Tehran)Status
00:00 Wed01:30 WedOff-hours both sides
01:00 Wed02:30 WedOff-hours both sides
02:00 Wed03:30 WedOff-hours both sides
03:00 Wed04:30 WedOff-hours both sides
04:00 Wed05:30 WedOff-hours both sides
05:00 Wed06:30 WedOff-hours both sides
06:00 Wed07:30 WedOff-hours both sides
07:00 Wed08:30 WedOff-hours both sides
08:00 Wed09:30 WedIRT working
09:00 Wed10:30 WedBoth at work
10:00 Wed11:30 WedBoth at work
11:00 Wed12:30 WedBoth at work
12:00 Wed13:30 WedBoth at work
13:00 Wed14:30 WedBoth at work
14:00 Wed15:30 WedBoth at work
15:00 Wed16:30 WedBoth at work
16:00 Wed17:30 WedCET working
17:00 Wed18:30 WedOff-hours both sides
18:00 Wed19:30 WedOff-hours both sides
19:00 Wed20:30 WedOff-hours both sides
20:00 Wed21:30 WedOff-hours both sides
21:00 Wed22:30 WedOff-hours both sides
22:00 Wed23:30 WedOff-hours both sides
23:00 Wed00:30 ThuOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Central European Time (CET)
IANA identifier
Europe/Paris
Current UTC offset
UTC+02:00
Current abbreviation
GMT+2
Major cities in this zone
ParisLyonMarseille
Iran Standard Time (IRT)
IANA identifier
Asia/Tehran
Current UTC offset
UTC+03:30
Current abbreviation
GMT+3:30
Major cities in this zone
TehranIsfahan

Sun today in Paris and Tehran

Paris
Sunrise
06:13
Sunset
21:23
Solar noon
13:48
Daylight
15h 10m
Tehran
Sunrise
05:02
Sunset
19:01
Solar noon
12:02
Daylight
13h 58m

Related converters

Looking for local time? See time in Paris or time in Tehran.

Frequently asked questions

What is the time difference between CET and IRT right now?+
IRT (Iran Standard Time) is currently 1h 30m ahead CET (Central European Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does CET or IRT observe daylight saving time?+
CET: observes daylight saving time. IRT: does not observe daylight saving time.
When is the best time to schedule a meeting between CET and IRT?+
The strongest overlap is 09:00–15:00 CET (10:30–16:30 IRT), giving 7 hours when both sides are within standard 9am-5pm working hours.
What time is it in Tehran when it is 12:00 noon in Paris?+
When it is 12:00 Wed in Paris (CET), it is 13:30 Wed in Tehran (IRT).
Which IANA time zone identifiers are used for CET and IRT?+
CET maps to "Europe/Paris" in the IANA database. IRT maps to "Asia/Tehran". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Paris ahead of or behind Tehran?+
Whether Paris (CET) is ahead of or behind Tehran (IRT) depends on the current UTC offsets. Right now IRT is 1h 30m ahead CET. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for CET and IRT?+
CET is UTC+02:00 (GMT+2) and IRT is UTC+03:30 (GMT+3:30). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both CET and IRT?+
Yes. There are 7 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–15:00 CET.