Iran vs South Africa — time difference
Iran is 1 hour 30 minutes ahead of South Africa. When Iran clocks hit noon, South Africa reads 10:00.
Iran observes Asia/Tehran and South Africa observes Africa/Johannesburg — a 1.5 hours 30 minutes gap between them.
Shared working hours
Every working day, Iran and South Africa are both in business hours for 6.5 hours simultaneously.
00:0006:0012:0018:0024:00
Optimal meeting slots
Iran and South Africa share 6.5 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full window.
11:00 Tehran / 09:00 Johannesburg✓ Both working
12:00 Tehran / 10:00 Johannesburg✓ Both working
13:00 Tehran / 11:00 Johannesburg✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Holiday calendar for both locations
Iran
No upcoming public holidays this year.
South Africa4 holidays
Sep 24Heritage Day
Dec 16Day of Reconciliation
Dec 25Christmas Day
Dec 26Day of Goodwill
Working across Iran and South Africa
Coordinating between Iran (Iran) and South Africa (South Africa) means working around a 1.5-hour time difference. The 6.5-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 Best practice for cross-timezone meetings
✅Schedule at 11:00–12:00 (Iran) for a 09:00–10:00 slot in South Africa — the sweet spot where both teams are working.
✅Schedule at 12:00–13:00 (Iran) for a 10:00–11:00 slot in South Africa — the sweet spot where both teams are working.
✅Schedule at 13:00–14:00 (Iran) for a 11:00–12:00 slot in South Africa — the sweet spot where both teams are working.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Install ClockinSync Free →Drag the slider at the top to convert any Iran time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
