World Timezones

SAST to IRST Converter

Compare IRST to SAST instead
South Africa Time6:35 amFri, Jun 5
South Africa TimeSAST
Africa · UTC+2
6:35 amFri, Jun 5
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Iran Standard TimeIRST
Middle East · UTC+3:30
8:05 amFri, Jun 5
1a
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12a

Offset

The time difference between South Africa Time and Iran Standard Time is 1.5 hours.

1.5 hours

South Africa Time (SAST) is behind Iran Standard Time (IRST).

SAST: UTC+2

IRST: UTC+3:30

Neither South Africa Time nor Iran Standard Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–4 PM in South Africa Time (10 AM–5 PM in Iran Standard Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 12:00 PM South Africa Time (1:30 PM Iran Standard Time).

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

South Africa

  • New Year's DayThu, Jan 1
  • Human Rights DaySat, Mar 21
  • Good FridayFri, Apr 3
  • Family DayMon, Apr 6
  • Freedom DayMon, Apr 27
  • Workers' DayFri, May 1
  • Youth DayTue, Jun 16
  • National Women's DayMon, Aug 10
  • Heritage DayThu, Sep 24
  • Day of ReconciliationWed, Dec 16
  • Christmas DayFri, Dec 25
  • Day of GoodwillSat, Dec 26

About these zones

South Africa Time is also known as SAST. To call South Africa, dial +27.

Iran Standard Time is also known as IRST. To call Iran, dial +98.

Iran Standard Time is approximately 4,550 miles north of South Africa Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

SASTIRSTDay
12:00 am1:30 amSame day
1:00 am2:30 amSame day
2:00 am3:30 amSame day
3:00 am4:30 amSame day
4:00 am5:30 amSame day
5:00 am6:30 amSame day
6:00 am7:30 amSame day
7:00 am8:30 amSame day
8:00 am9:30 amSame day
9:00 am10:30 amSame day
10:00 am11:30 amSame day
11:00 am12:30 pmSame day
12:00 pm1:30 pmSame day
1:00 pm2:30 pmSame day
2:00 pm3:30 pmSame day
3:00 pm4:30 pmSame day
4:00 pm5:30 pmSame day
5:00 pm6:30 pmSame day
6:00 pm7:30 pmSame day
7:00 pm8:30 pmSame day
8:00 pm9:30 pmSame day
9:00 pm10:30 pmSame day
10:00 pm11:30 pmSame day
11:00 pm12:30 am+1 day

Daylight saving time

Neither South Africa Time nor Iran Standard Time observes daylight saving time. The offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

South Africa Time
Sunrise
6:50 AM
Sunset
5:24 PM
Day length
10h 34m
Iran Standard Time
Sunrise
4:50 AM
Sunset
7:18 PM
Day length
14h 28m

Daylight overlap: 10h 34m — 6:50 AM–5:24 PM in South Africa Time (8:20 AM–6:54 PM in Iran Standard Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Iran Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in South Africa Time

  • HLA
  • JNB
  • CPT
  • DUR

Airports in Iran Standard Time

  • IKA
  • THR
  • MHD
  • IFN
  • PYK
  • TBZ

Related conversions

Common conversions

What is 9:00 am SAST in IRST?
9:00 am SAST is 10:30 am IRST.
What is 12:00 pm SAST in IRST?
12:00 pm SAST is 1:30 pm IRST.
What is 12:30 pm SAST in IRST?
12:30 pm SAST is 2:00 pm IRST.
What is 2:00 pm SAST in IRST?
2:00 pm SAST is 3:30 pm IRST.
What is 5:00 pm SAST in IRST?
5:00 pm SAST is 6:30 pm IRST.
What is 11:30 pm SAST in IRST?
11:30 pm SAST is 1:00 am IRST, the next day.