ACST to IRST
Convert Australian Central Time — Adelaide to Iran Time — Tehran — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Adelaide, it's 3:00 AM in Tehran. Tehran is 6 hours behind Adelaide. Use the converter above to turn any ACST time into IRST, or scan the hour-by-hour table below for the full day.
ACST to IRST at a glance
Planning a meeting between Adelaide and Tehran
Planning a call between Adelaide and Tehran? The best overlap during a standard 9-to-5 workday runs 3:00 PM–5:00 PM ACST (9:00 AM–11:00 AM IRST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Adelaide to Tehran
A full day mapped from ACST to IRST.
Frequently asked
Is Tehran ahead of or behind Adelaide?
Tehran is 6 hours behind Adelaide.
What is 12:00 PM ACST in IRST?
12:00 PM in Adelaide is 6:00 AM in Tehran.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so ACST and IRST automatically reflect the correct daylight-saving offset for the current date.