Offset
The time difference between India Standard Time and China Standard Time is 2.5 hours.
India Standard Time (IST) is behind China Standard Time (CST).
IST: UTC+5:30
CST: UTC+8
Neither India Standard Time nor China Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–3 PM in India Standard Time (11 AM–5 PM in China Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM India Standard Time (2:30 PM China 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.
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
India Standard Time is also known as IST. To call India, dial +91.
China Standard Time is also known as CST. To call China, dial +86.
China Standard Time is approximately 3,150 miles northeast of India Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| IST | CST-CHINA | Day |
|---|---|---|
| 12:00 am | 2:30 am | Same day |
| 1:00 am | 3:30 am | Same day |
| 2:00 am | 4:30 am | Same day |
| 3:00 am | 5:30 am | Same day |
| 4:00 am | 6:30 am | Same day |
| 5:00 am | 7:30 am | Same day |
| 6:00 am | 8:30 am | Same day |
| 7:00 am | 9:30 am | Same day |
| 8:00 am | 10:30 am | Same day |
| 9:00 am | 11:30 am | Same day |
| 10:00 am | 12:30 pm | Same day |
| 11:00 am | 1:30 pm | Same day |
| 12:00 pm | 2:30 pm | Same day |
| 1:00 pm | 3:30 pm | Same day |
| 2:00 pm | 4:30 pm | Same day |
| 3:00 pm | 5:30 pm | Same day |
| 4:00 pm | 6:30 pm | Same day |
| 5:00 pm | 7:30 pm | Same day |
| 6:00 pm | 8:30 pm | Same day |
| 7:00 pm | 9:30 pm | Same day |
| 8:00 pm | 10:30 pm | Same day |
| 9:00 pm | 11:30 pm | Same day |
| 10:00 pm | 12:30 am | +1 day |
| 11:00 pm | 1:30 am | +1 day |
Daylight saving time
Neither India Standard Time nor China 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
- 6:01 AM
- Sunset
- 7:15 PM
- Day length
- 13h 14m
- Sunrise
- 4:51 AM
- Sunset
- 6:56 PM
- Day length
- 14h 5m
Daylight overlap: 10h 25m — 6:01 AM–4:26 PM in India Standard Time (8:31 AM–6:56 PM in China Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in India Standard Time
Cities in China Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in India Standard Time
- BOM
- NMI
- DEL
- BLR
- HYD
- AMD
- MAA
- CCU
- STV
- PNQ
Airports in China Standard Time
- PVG
- SHA
- PEK
- PKX
- SZX
- CAN
- FUO
- CTU
- TFU
- TSN
Related conversions
Common conversions
- What is 9:00 am IST in CST-CHINA?
- 9:00 am IST is 11:30 am CST-CHINA.
- What is 12:00 pm IST in CST-CHINA?
- 12:00 pm IST is 2:30 pm CST-CHINA.
- What is 12:30 pm IST in CST-CHINA?
- 12:30 pm IST is 3:00 pm CST-CHINA.
- What is 2:00 pm IST in CST-CHINA?
- 2:00 pm IST is 4:30 pm CST-CHINA.
- What is 5:00 pm IST in CST-CHINA?
- 5:00 pm IST is 7:30 pm CST-CHINA.
- What is 11:30 pm IST in CST-CHINA?
- 11:30 pm IST is 2:00 am CST-CHINA, the next day.