What is IST in CST (China)?
China Standard Time is 2 hours 30 minutes ahead
India Standard Time is on UTC+5:30 and China Standard Time is on UTC+8:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in New Delhi
- 7:45 am
- Time in Beijing
- 10:15 am
- Difference
- +2:30 h
- Next clock change
- Neither zone
Convert a time
CST — China Standard Time
9:30 am
Wed
Daylight saving
India Standard Time
India Standard Time stays on IST all year, so its offset from UTC never moves.
China Standard Time
China Standard Time stays on CST all year, so its offset from UTC never moves.
IST to CST (China) conversion table
Every hour of Wednesday, September 23, 2026, converted from India Standard Time to China Standard Time. 2 of the 24 hours fall on a different calendar day in Beijing, which is marked.
- 12:00 am IST
- 2:30 am CST
- 1:00 am IST
- 3:30 am CST
- 2:00 am IST
- 4:30 am CST
- 3:00 am IST
- 5:30 am CST
- 4:00 am IST
- 6:30 am CST
- 5:00 am IST
- 7:30 am CST
- 6:00 am IST
- 8:30 am CST
- 7:00 am IST
- 9:30 am CST
- 8:00 am IST
- 10:30 am CST
- 9:00 am IST
- 11:30 am CST
- 10:00 am IST
- 12:30 pm CST
- 11:00 am IST
- 1:30 pm CST
- 12:00 pm IST
- 2:30 pm CST
- 1:00 pm IST
- 3:30 pm CST
- 2:00 pm IST
- 4:30 pm CST
- 3:00 pm IST
- 5:30 pm CST
- 4:00 pm IST
- 6:30 pm CST
- 5:00 pm IST
- 7:30 pm CST
- 6:00 pm IST
- 8:30 pm CST
- 7:00 pm IST
- 9:30 pm CST
- 8:00 pm IST
- 10:30 pm CST
- 9:00 pm IST
- 11:30 pm CST
- 10:00 pm IST
- 12:30 am CST+1 day
- 11:00 pm IST
- 1:30 am CST+1 day
Scheduling between the two
Working hours overlap from 9:00 am to 4:00 pm IST, which is 11:30 am to 6:30 pm CST. Anything inside that window falls in the normal working day at both ends.
A note on IST: it can also mean Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1). This page means India Standard Time, which is what almost all searches for IST want.
A note on CST (China): it can also mean the abbreviation CST is shared with US Central Time and Cuba Standard Time.
India Standard Time (IST) is used in all of India and Sri Lanka, on a single UTC+5:30 offset with no daylight saving
China Standard Time (CST) is used in the whole of China, which runs on one offset from Kashgar to Shanghai