IST to CET Time Converter
Central European Time (CET) is currently 4 hours 30 minutes behind India Standard Time (IST). IST is UTC+5:30 and CET is UTC+1. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Best Time for a Call
Both sides are inside 9:00 AM to 5:00 PM office hours between 1:30 PM and 5:00 PM in IST, which is 9:00 AM to 12:30 PM in CET.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: IST to CET
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
IST and CET are fixed offsets, so the difference between them never changes.
This page covers India Standard Time, UTC+5:30, which has no daylight saving. IST can also refer to Irish Standard Time (UTC+1) or Israel Standard Time (UTC+2).
CET is UTC+1, used across most of continental Europe in winter. The region switches to CEST (UTC+2) from late March to late October.
Frequently Asked Questions
How many hours behind is CET compared to IST?
CET is currently 4 hours 30 minutes behind IST. IST and CET are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in IST in CET?
9:00 AM in IST is 4:30 AM in CET.
What is the best time for a call between IST and CET?
Both sides are inside 9:00 AM to 5:00 PM office hours between 1:30 PM and 5:00 PM in IST, which is 9:00 AM to 12:30 PM in CET.