Offset
The time difference between Central Africa Time and Iran Standard Time is 1.5 hours.
Central Africa Time (CAT) is behind Iran Standard Time (IRST).
CAT: UTC+2
IRST: UTC+3:30
Neither Central Africa Time nor Iran Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Central 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 Central Africa Time (1:30 PM Iran Standard Time).
About these zones
Central Africa Time is also known as CAT. To call Zambia, dial +260.
Iran Standard Time is also known as IRST. To call Iran, dial +98.
Iran Standard Time is approximately 3,950 miles north of Central Africa Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| CAT | IRST | Day |
|---|---|---|
| 12:00 am | 1:30 am | Same day |
| 1:00 am | 2:30 am | Same day |
| 2:00 am | 3:30 am | Same day |
| 3:00 am | 4:30 am | Same day |
| 4:00 am | 5:30 am | Same day |
| 5:00 am | 6:30 am | Same day |
| 6:00 am | 7:30 am | Same day |
| 7:00 am | 8:30 am | Same day |
| 8:00 am | 9:30 am | Same day |
| 9:00 am | 10:30 am | Same day |
| 10:00 am | 11:30 am | Same day |
| 11:00 am | 12:30 pm | Same day |
| 12:00 pm | 1:30 pm | Same day |
| 1:00 pm | 2:30 pm | Same day |
| 2:00 pm | 3:30 pm | Same day |
| 3:00 pm | 4:30 pm | Same day |
| 4:00 pm | 5:30 pm | Same day |
| 5:00 pm | 6:30 pm | Same day |
| 6:00 pm | 7:30 pm | Same day |
| 7:00 pm | 8:30 pm | Same day |
| 8:00 pm | 9:30 pm | Same day |
| 9:00 pm | 10:30 pm | Same day |
| 10:00 pm | 11:30 pm | Same day |
| 11:00 pm | 12:30 am | +1 day |
Daylight saving time
Neither Central 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
- Sunrise
- 6:22 AM
- Sunset
- 5:28 PM
- Day length
- 11h 6m
- Sunrise
- 4:50 AM
- Sunset
- 7:18 PM
- Day length
- 14h 28m
Daylight overlap: 11h 6m — 6:22 AM–5:28 PM in Central Africa Time (7:52 AM–6:58 PM in Iran Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Central Africa Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central Africa Time
- HRE
Airports in Iran Standard Time
- IKA
- THR
- MHD
- IFN
- PYK
- TBZ
Related conversions
Common conversions
- What is 9:00 am CAT in IRST?
- 9:00 am CAT is 10:30 am IRST.
- What is 12:00 pm CAT in IRST?
- 12:00 pm CAT is 1:30 pm IRST.
- What is 12:30 pm CAT in IRST?
- 12:30 pm CAT is 2:00 pm IRST.
- What is 2:00 pm CAT in IRST?
- 2:00 pm CAT is 3:30 pm IRST.
- What is 5:00 pm CAT in IRST?
- 5:00 pm CAT is 6:30 pm IRST.
- What is 11:30 pm CAT in IRST?
- 11:30 pm CAT is 1:00 am IRST, the next day.