IRST to BST
Convert Iran Time — Tehran to Bangladesh Time — Dhaka — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Tehran, it's 11:30 AM in Dhaka. Dhaka is 2½ hours ahead of Tehran. Use the converter above to turn any IRST time into BST, or scan the hour-by-hour table below for the full day.
IRST to BST at a glance
Planning a meeting between Tehran and Dhaka
Planning a call between Tehran and Dhaka? The best overlap during a standard 9-to-5 workday runs 9:00 AM–2:30 PM IRST (11:30 AM–5:00 PM BST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Tehran to Dhaka
A full day mapped from IRST to BST.
Frequently asked
Is Dhaka ahead of or behind Tehran?
Dhaka is 2½ hours ahead of Tehran.
What is 12:00 PM IRST in BST?
12:00 PM in Tehran is 2:30 PM in Dhaka.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so IRST and BST automatically reflect the correct daylight-saving offset for the current date.