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