Time zone converter
CST to IRST
Convert Taiwan Time — Taipei to Iran Time — Tehran — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Taipei, it's 4:30 AM in Tehran. Tehran is 4½ hours behind Taipei. Use the converter above to turn any CST time into IRST, or scan the hour-by-hour table below for the full day.
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Taiwan Time — Taipei ·
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Iran Time — Tehran ·
Convert a specific timein Taipei → — in Tehran
CST to IRST at a glance
9:00 AM CST
4:30 AM
IRST · Tehran
12:00 PM CST
7:30 AM
IRST · Tehran
5:00 PM CST
12:30 PM
IRST · Tehran
Planning a meeting between Taipei and Tehran
Planning a call between Taipei and Tehran? The best overlap during a standard 9-to-5 workday runs 1:30 PM–5:00 PM CST (9:00 AM–12:30 PM IRST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Taipei to Tehran
A full day mapped from CST to IRST.
Frequently asked
Is Tehran ahead of or behind Taipei?
Tehran is 4½ hours behind Taipei.
What is 12:00 PM CST in IRST?
12:00 PM in Taipei is 7:30 AM in Tehran.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so CST and IRST automatically reflect the correct daylight-saving offset for the current date.