IST to CET Converter – Convert Indian Time to Central European Time

CET is 4 hours 30 minutes behind IST, so to convert mentally, subtract 4 hours 30 minutes to your IST time. For example: 9:00 AM IST = 4:30 AM CET. Our converter automatically adjusts for Daylight Saving Time so you always get the right result.

CET (Central European Time, UTC+1) is 4 hours 30 minutes behind IST (India Standard Time, UTC+5:30) during standard time. For example, 9:00 AM IST = 4:30 AM CET. During DST periods, this difference changes by 1 hour when one or both zones observe Daylight Saving Time — our converter automatically applies the correct offset for any date you select.

The best overlap for standard business hours (9 AM–5 PM) in both zones is 13:30–17:00 IST = 09:00–12:30 CET. Schedule recurring calls in this window to keep both sides within normal working hours. Remember to re-check the window in March and November (or March/October for European zones) when DST transitions can shift the overlap by 1 hour.

India does not observe Daylight Saving Time. IST remains constant year-round, which simplifies conversions.

Major cities in the IST (India Standard Time, UTC+5:30) timezone include: Mumbai, New Delhi, Bangalore, Chennai, Kolkata, Hyderabad, Pune. IST is a fixed-offset zone — these cities do not observe Daylight Saving Time.

Major cities in the CET (Central European Time, UTC+1) timezone include: Paris, Berlin, Rome, Madrid, Amsterdam, Vienna, Warsaw, Brussels. These cities switch to CEST (UTC+2) from the last Sunday in March to the last Sunday in October.

CET is 4 hours 30 minutes behind IST. The best overlap for business hours is 13:30–17:00 IST = 09:00–12:30 CET. Always include both local times in calendar invites (for example, "2:00 PM IST / 9:30 AM CET CET"). Double-check around March and November (or March/October for European zones) when DST transitions can shift the offset by 1 hour. For full scheduling guidance, see our international meeting times guide.