CET to IRST
Convert Central European Time — Berlin to Iran Time — Tehran — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Berlin, it's 10:30 AM in Tehran. Tehran is 1½ hours ahead of Berlin. Use the converter above to turn any CET time into IRST, or scan the hour-by-hour table below for the full day.
CET to IRST at a glance
Planning a meeting between Berlin and Tehran
Planning a call between Berlin and Tehran? The best overlap during a standard 9-to-5 workday runs 9:00 AM–3:30 PM CET (10:30 AM–5:00 PM IRST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Berlin to Tehran
A full day mapped from CET to IRST.
Frequently asked
Is Tehran ahead of or behind Berlin?
Tehran is 1½ hours ahead of Berlin.
What is 12:00 PM CET in IRST?
12:00 PM in Berlin is 1:30 PM in Tehran.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so CET and IRST automatically reflect the correct daylight-saving offset for the current date.