IST to CST Time Converter

India Standard Time → Central Standard Time

IST

UTC+5.5

India Standard Time

offset
-11.5h
CST is 11.5h behind

CST

UTC-6

Central Standard Time

CST observes DST — offset shifts ±1h during transitions

India Standard Time (IST) is 11.5 hours behind Central Standard Time (CST). When it is noon in IST, it is 1:30 AM in CST. This offset may change during Daylight Saving Time transitions.

Best Meeting Times — IST & CST

Recommended windows where both IST and CST participants are within working hours (8 AM–6 PM).

ISTCSTRatingDetail page
6 PM
7:30 AM
Good
7 PM
8:30 AM
Good

Tip: When scheduling between IST and CST, aim for the “Best” windows above. These times keep both parties within normal working hours, avoiding early-morning or late-evening fatigue. Note that one of these time zones observes Daylight Saving Time — the offset may shift ±1 hour around transition dates.

Frequently Asked Questions — IST to CST

India Standard Time (IST) is 11.5 hours behind Central Standard Time (CST). IST is UTC+5.5 and CST is UTC-6. This offset may shift by ±1 hour during Daylight Saving Time transitions.