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Iran to South Africa

-1h 30m

Iran

IRSTSOURCE
UTC+03:30
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

South Africa

SAST
UTC+02:00
HH10
:
MM30
  
10:30 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Iran
South Africa
12:00 AM
10:30 PM-1
2:00 AM
12:30 AM
4:00 AM
2:30 AM
6:00 AM
4:30 AM
8:00 AM
6:30 AM
10:00 AM
8:30 AM
12:00 PM
10:30 AM
2:00 PM
12:30 PM
4:00 PM
2:30 PM
6:00 PM
4:30 PM
8:00 PM
6:30 PM
10:00 PM
8:30 PM

Green rows indicate typical business hours (9 AM - 5 PM)

IRST and SAST on the World Map

The map below highlights the IRST (Iran Standard Time) and SAST (South Africa Standard Time) timezone regions across the globe.

IRSTSASTTehranIsfahanMashhadTabrizJohannesburgCape TownDurbanPretoria
IRST Zone
→
SAST Zone

Explore all world timezones interactively →

IRST – Iran Standard Time

UTC+03:30

Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.

Countries in IRST
Iran
Major Cities in IRST
TehranIsfahanMashhadTabrizShirazKaraj
Key Facts about IRST
  • •IRST is one of only a few time zones with a 30-minute offset.
  • •Iran observes daylight saving time, switching to IRDT (UTC+04:30).
  • •Tehran has a metropolitan population of over 16 million.
Daylight Saving:Yes – switches to IRDT
Learn more about IRST on Wikipedia

SAST – South Africa Standard Time

UTC+02:00

South Africa Standard Time (SAST) is the time zone for South Africa and neighboring countries, 2 hours ahead of UTC.

Countries in SAST
South AfricaLesothoEswatini
Major Cities in SAST
JohannesburgCape TownDurbanPretoriaPort Elizabeth
Key Facts about SAST
  • •South Africa does not observe daylight saving time.
  • •SAST is the same offset as EET and Israel Standard Time.
  • •The Johannesburg Stock Exchange (JSE) is Africa's largest.
Daylight Saving:No – UTC+02:00 year-round
Learn more about SAST on Wikipedia

Iran vs South Africa: Offsets, DST and Best Call Times

Iran runs on Iran Standard Time (IRST) at UTC+03:30. South Africa runs on South Africa Standard Time (SAST) at UTC+02:00. That puts Iran 1 hour 30 minutes behind South Africa — a difference of -1h 30m at the current offsets.

In practice, when it is 9:00 AM in Iran it is 7:30 AM in South Africa. Midnight in Iran is 10:30 PM in South Africa. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Iran to South Africa time conversion table

Iran (IRST)South Africa (SAST)Day
12:00 AM10:30 PMprevious day
6:00 AM4:30 AMsame day
7:00 AM5:30 AMsame day
8:00 AM6:30 AMsame day
9:00 AM7:30 AMsame day
12:00 PM10:30 AMsame day
3:00 PM1:30 PMsame day
5:00 PM3:30 PMsame day
6:00 PM4:30 PMsame day
9:00 PM7:30 PMsame day

Why people convert Iran to South Africa time

  • Scheduling a call from Iran to South Africa: a 10:00 AM start in Iran lands at 8:30 AM in South Africa, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Iran and South Africa are inside the 9-to-5 working day between 10:30 AM and 5:00 PM IRST time (9:00 AM–3:30 PM SAST). That is roughly 6 hours 30 minutes of usable overlap.
  • Keeping family and friends in sync: knowing that 8:00 PM in Iran is 6:30 PM in South Africa makes it easy to avoid calling at 3 AM.
  • Always state the zone abbreviation, not just the hour. "3:00 PM IRST" is unambiguous; "3 PM" across a -1h 30m gap is not.
  • Block 10:30 AM–5:00 PM IRST as the recurring meeting window if you work primarily from Iran and need South Africa colleagues present.

About IRST (Iran Standard Time)

Iran Standard Time (IRST) is one of the few time zones with a 30-minute offset. Iran observes daylight saving time (IRDT, UTC+04:30) from late March to late September. Tehran, the capital, is one of the largest cities in the Middle East.

About SAST (South Africa Standard Time)

South Africa Standard Time (SAST) is used in South Africa, Lesotho, and Eswatini. SAST does not observe daylight saving time. Johannesburg and Cape Town are major economic hubs in Africa.

Best time to call between Iran and South Africa

Both Iran and South Africa sit inside the 9 AM – 5 PM working day between 10:30 AM–5:00 PM IRST, which is 9:00 AM–3:30 PM SAST. That gives roughly 6 hours and 30 minutes of shared time — the safest window for a live call or meeting.

Business hours overlap

Iran and South Africa share 6 hours of working-hours overlap (10:30 AM–5:00 PM IRST), so scheduling a live meeting is straightforward.

Iran is 1 hour 30 minutes behind South Africa (IRST UTC+03:30 → SAST UTC+02:00). The shared working window is 10:30 AM–5:00 PM IRST. Remember to re-check around daylight-saving transitions.

Frequently Asked Questions

What is the time difference between Iran and South Africa?

Iran (IRST, UTC+03:30) is 1 hour 30 minutes behind South Africa (SAST, UTC+02:00). The gap is currently -1h 30m.

How do I convert Iran time to South Africa time?

Add -1h 30m to Iran local time. For example, 9:00 AM in Iran is 7:30 AM in South Africa.

What time is it in South Africa right now?

South Africa uses SAST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h 30m offset from Iran.

What is the best time to call South Africa from Iran?

Call between 10:30 AM and 5:00 PM IRST — that maps to 9:00 AM–3:30 PM SAST and keeps both parties inside the working day.

Which is behind, Iran or South Africa?

Iran is 1 hour 30 minutes behind South Africa. When it is 12:00 PM in Iran it is 10:30 AM in South Africa.

Do Iran and South Africa use different time zones?

Iran (Iran) uses IRST at UTC+03:30, while South Africa (South Africa) uses SAST at UTC+02:00. The IANA identifiers are Asia/Tehran and Africa/Johannesburg.

Does daylight saving time affect the Iran–South Africa difference?

Neither zone observes daylight saving time, so the -1h 30m offset between Iran and South Africa is fixed all year.

Which other cities share Iran's time zone?

IRST also covers Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.

Which countries use IRST, Iran's zone?

IRST is used in Iran.

Is there a day difference between Iran and South Africa?

Not normally. The -1h 30m gap only pushes the date over the previous day.

What is the time difference between Iran and South Africa?

South Africa is -1h 30m from Iran.

What timezone is Iran in?

Iran operates on its local timezone.

What timezone is South Africa in?

South Africa operates on its local timezone.

Which countries use IRST (Iran Standard Time)?

IRST is used in Iran.

Does IRST observe daylight saving time?

Yes, IRST switches to IRDT during summer months.

What are some interesting facts about IRST?

IRST is one of only a few time zones with a 30-minute offset. Iran observes daylight saving time, switching to IRDT (UTC+04:30).

Which cities are in the SAST timezone?

Major cities in the SAST timezone include Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth.

What is the UTC offset for SAST?

South Africa Standard Time (SAST) is at UTC+02:00.

What should I know about the SAST timezone?

South Africa does not observe daylight saving time. SAST is the same offset as EET and Israel Standard Time.

When is it midnight in Iran, what time is it in South Africa?

When it is 12:00 AM (midnight) in Iran (IRST), it is -1h 30m later in South Africa (SAST).