World Timezones

IRST to SAST Converter

Compare SAST to IRST instead
Iran Standard Time8:06 amFri, Jun 5
Iran Standard TimeIRST
Middle East · UTC+3:30
8:06 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
South Africa TimeSAST
Africa · UTC+2
6:36 amFri, Jun 5
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p

Offset

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

1.5 hours

Iran Standard Time (IRST) is ahead of South Africa Time (SAST).

IRST: UTC+3:30

SAST: UTC+2

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

When to schedule

Business-hours overlap: 11 AM–5 PM in Iran Standard Time (9 AM–3 PM in South Africa Time).

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

Suggested time: 2:00 PM Iran Standard Time (12:30 PM South Africa 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

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

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

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

Quick reference

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

IRSTSASTDay
12:00 am10:30 pm-1 day
1:00 am11:30 pm-1 day
2:00 am12:30 amSame day
3:00 am1:30 amSame day
4:00 am2:30 amSame day
5:00 am3:30 amSame 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
10:00 am8:30 amSame day
11:00 am9:30 amSame day
12:00 pm10:30 amSame day
1:00 pm11:30 amSame day
2:00 pm12:30 pmSame day
3:00 pm1:30 pmSame day
4:00 pm2:30 pmSame day
5:00 pm3:30 pmSame day
6:00 pm4:30 pmSame day
7:00 pm5:30 pmSame day
8:00 pm6:30 pmSame day
9:00 pm7:30 pmSame day
10:00 pm8:30 pmSame day
11:00 pm9:30 pmSame day

Daylight saving time

Neither Iran Standard Time nor South Africa 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

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

Daylight overlap: 10h 34m — 8:20 AM–6:54 PM in Iran Standard Time (6:50 AM–5:24 PM in South Africa 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 Iran Standard Time

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

Airports in South Africa Time

  • HLA
  • JNB
  • CPT
  • DUR

Related conversions

Common conversions

What is 9:00 am IRST in SAST?
9:00 am IRST is 7:30 am SAST.
What is 12:00 pm IRST in SAST?
12:00 pm IRST is 10:30 am SAST.
What is 12:30 pm IRST in SAST?
12:30 pm IRST is 11:00 am SAST.
What is 2:00 pm IRST in SAST?
2:00 pm IRST is 12:30 pm SAST.
What is 5:00 pm IRST in SAST?
5:00 pm IRST is 3:30 pm SAST.
What is 11:30 pm IRST in SAST?
11:30 pm IRST is 10:00 pm SAST.