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CET to IST Time Converter

Use this CET to IST time converter to compare Central Europe and India time instantly. IST is 4 hours and 30 minutes ahead of CET, so 9:00 AM CET becomes 1:30 PM IST and 5:00 PM CET becomes 9:30 PM IST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

CET Central European Time
...
IST India Standard Time
...
Select a time to convert

CET to IST Quick Facts

Use this CET to IST converter to compare Central Europe and India time, check the 4 hours and 30 minutes gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM CET / 1:30 PM IST.

Time Difference
India Standard Time is 4 hours and 30 minutes ahead of Central European Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 9:00 AM CET and 1:30 PM IST.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert CET to IST

Converting between Central European Time and India Standard Time means accounting for a 4 hours and 30 minutes gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your CET Time

Pick the date and time in Central European Time (UTC +1) that you want to convert. Hit "Now" to load the current CET time instantly, or use "+1h" to step forward and compare.

Read the IST Result

The equivalent India Standard Time (UTC +5:30) time appears immediately. Since IST is 4 hours and 30 minutes ahead of CET, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the IST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.

Why Choose Our CET to IST Converter

Align CET–IST Meetings Instantly

When someone in Central Europe suggests 9:00 AM CET, that's 1:30 PM IST. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night CET times can land on a different date in IST because of the 4 hours and 30 minutes offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

The half-hour offset between CET (UTC +1) and IST (UTC +5:30) already makes mental math tricky — add Daylight Saving Time and the gap can shift further. This converter uses live UTC offsets, so you're always accurate.

Never Miss a CET-Timed Event

Product launches, sports matches, and webinars are often announced in CET. Convert the event time to IST so you know exactly when to tune in — with a 4 hours and 30 minutes difference, a morning event in Central Europe falls during work hours in India.

CET to IST Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Central European Time to India Standard Time full day schedule

12:00 AM
CET
4:30 AM
IST
1:00 AM
CET
5:30 AM
IST
2:00 AM
CET
6:30 AM
IST
3:00 AM
CET
7:30 AM
IST
4:00 AM
CET
8:30 AM
IST
5:00 AM
CET
9:30 AM
IST
6:00 AM
CET
10:30 AM
IST
7:00 AM
CET
11:30 AM
IST
8:00 AM
CET
12:30 PM
IST
9:00 AM
CET
1:30 PM
IST
10:00 AM
CET
2:30 PM
IST
11:00 AM
CET
3:30 PM
IST
12:00 PM
CET
4:30 PM
IST
1:00 PM
CET
5:30 PM
IST
2:00 PM
CET
6:30 PM
IST
3:00 PM
CET
7:30 PM
IST
4:00 PM
CET
8:30 PM
IST
5:00 PM
CET
9:30 PM
IST
6:00 PM
CET
10:30 PM
IST
7:00 PM
CET
11:30 PM
IST
8:00 PM
CET
12:30 AM
IST
(next day)
9:00 PM
CET
1:30 AM
IST
(next day)
10:00 PM
CET
2:30 AM
IST
(next day)
11:00 PM
CET
3:30 AM
IST
(next day)
Reviewed by iFormat Time Tools Team Last updated

Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.

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CET to IST FAQ

Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Central European Time and India Standard Time.

What is the time difference between CET and IST?

IST is 4 hours 30 minutes ahead of CET. CET is UTC +1:00 and IST is UTC +5:30 relative to UTC. CET observes daylight saving but IST does not, so the gap between them shifts by one hour twice a year. In CET winter the difference is 4 hours 30 minutes; in summer it changes by an hour.

When can CET and IST have business-hour overlap?

Aim for 09:00–12:00 CET, which is 13:00–16:00 IST. Both sides stay inside standard business hours.

Does CET or IST observe daylight saving time?

CET observes daylight saving but IST does not, so the gap between them shifts by one hour twice a year. In CET winter the difference is 4 hours 30 minutes; in summer it changes by an hour.

How do I quickly convert CET to IST?

To convert CET to IST, add 4 hours 30 minutes to the CET time. Example: if it's 10:00 AM CET, it's 14:00 IST that day. The live converter at the top of this page handles DST automatically.