Offset
The time difference between Beijing and Karaj is 4.5 hours.
Beijing (CST) is ahead of Karaj (IRST).
CST: UTC+8
IRST: UTC+3:30
Neither Beijing nor Karaj is currently observing daylight saving time.
When to schedule
Business-hours overlap: 2 PM–5 PM in Beijing (9 AM–12 PM in Karaj).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Beijing (10:30 AM Karaj).
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.
China
- New Year's DayThu, Jan 1
- Chinese New Year (Spring Festival)Tue, Feb 17
- Labour DayFri, May 1
- Dragon Boat FestivalFri, Jun 19
- Mid-Autumn FestivalFri, Sep 25
- National DayThu, Oct 1
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Beijing | Karaj | Day |
|---|---|---|
| 12:00 am | 7:30 pm | -1 day |
| 1:00 am | 8:30 pm | -1 day |
| 2:00 am | 9:30 pm | -1 day |
| 3:00 am | 10:30 pm | -1 day |
| 4:00 am | 11:30 pm | -1 day |
| 5:00 am | 12:30 am | Same day |
| 6:00 am | 1:30 am | Same day |
| 7:00 am | 2:30 am | Same day |
| 8:00 am | 3:30 am | Same day |
| 9:00 am | 4:30 am | Same day |
| 10:00 am | 5:30 am | Same day |
| 11:00 am | 6:30 am | Same day |
| 12:00 pm | 7:30 am | Same day |
| 1:00 pm | 8:30 am | Same day |
| 2:00 pm | 9:30 am | Same day |
| 3:00 pm | 10:30 am | Same day |
| 4:00 pm | 11:30 am | Same day |
| 5:00 pm | 12:30 pm | Same day |
| 6:00 pm | 1:30 pm | Same day |
| 7:00 pm | 2:30 pm | Same day |
| 8:00 pm | 3:30 pm | Same day |
| 9:00 pm | 4:30 pm | Same day |
| 10:00 pm | 5:30 pm | Same day |
| 11:00 pm | 6:30 pm | Same day |
Daylight saving time
Neither Beijing nor Karaj 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
- 5:07 AM
- Sunset
- 7:36 PM
- Day length
- 14h 30m
- Sunrise
- 5:09 AM
- Sunset
- 7:18 PM
- Day length
- 14h 9m
Daylight overlap: 9h 58m — 9:39 AM–7:36 PM in Beijing (5:09 AM–3:06 PM in Karaj). Both locations are in daylight during this window.
Cities in these zones
Other cities in China Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in China Standard Time
- PVG
- SHA
- PEK
- PKX
- SZX
- CAN
- FUO
- CTU
- TFU
- TSN
Airports in Iran Standard Time
- IKA
- THR
- MHD
- IFN
- PYK
- TBZ
Related conversions
Common conversions
- What is 9:00 am Beijing in Karaj?
- 9:00 am Beijing is 4:30 am Karaj.
- What is 12:00 pm Beijing in Karaj?
- 12:00 pm Beijing is 7:30 am Karaj.
- What is 12:30 pm Beijing in Karaj?
- 12:30 pm Beijing is 8:00 am Karaj.
- What is 2:00 pm Beijing in Karaj?
- 2:00 pm Beijing is 9:30 am Karaj.
- What is 5:00 pm Beijing in Karaj?
- 5:00 pm Beijing is 12:30 pm Karaj.
- What is 11:30 pm Beijing in Karaj?
- 11:30 pm Beijing is 7:00 pm Karaj.