CET to IOT Time Converter

Convert Central European Time (CET) to Indian Ocean Time (IOT). Both time zones are shown live below; current offset between them is 4 hours ahead.

Paris · Central European Time
12:14:20
Wednesday, May 13, 2026
GMT+2 · UTC+02:00
Diego Garcia · Indian Ocean Time
16:14:20
Wednesday, May 13, 2026
GMT+6 · UTC+06:00

Convert a specific time

From: CET (Paris)
To: IOT (Diego Garcia)
--:--

Daylight Saving status right now

CET (Central European Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+02:00 → UTC+01:00
IOT (Indian Ocean Time)
Observes DST
No

Heads up: CET observes DST while IOT does not. The 4-hour difference shown above will shift by one hour when CET starts or ends DST.

When can CET and IOT meet?

00
01
02
03
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09
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13
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CET
IOT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Paris (CET). Each row shows the local working-hours state in that zone for the same moment in time.
4 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–12:00 CET (13:00–16:00 IOT).

Hour-by-hour CET to IOT conversion table

CET time (Paris)IOT time (Diego Garcia)Status
00:00 Wed04:00 WedOff-hours both sides
01:00 Wed05:00 WedOff-hours both sides
02:00 Wed06:00 WedOff-hours both sides
03:00 Wed07:00 WedOff-hours both sides
04:00 Wed08:00 WedOff-hours both sides
05:00 Wed09:00 WedIOT working
06:00 Wed10:00 WedIOT working
07:00 Wed11:00 WedIOT working
08:00 Wed12:00 WedIOT working
09:00 Wed13:00 WedBoth at work
10:00 Wed14:00 WedBoth at work
11:00 Wed15:00 WedBoth at work
12:00 Wed16:00 WedBoth at work
13:00 Wed17:00 WedCET working
14:00 Wed18:00 WedCET working
15:00 Wed19:00 WedCET working
16:00 Wed20:00 WedCET working
17:00 Wed21:00 WedOff-hours both sides
18:00 Wed22:00 WedOff-hours both sides
19:00 Wed23:00 WedOff-hours both sides
20:00 Wed00:00 ThuOff-hours both sides
21:00 Wed01:00 ThuOff-hours both sides
22:00 Wed02:00 ThuOff-hours both sides
23:00 Wed03:00 ThuOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Central European Time (CET)
IANA identifier
Europe/Paris
Current UTC offset
UTC+02:00
Current abbreviation
GMT+2
Major cities in this zone
ParisLyonMarseille
Indian Ocean Time (IOT)
IANA identifier
Indian/Chagos
Current UTC offset
UTC+06:00
Current abbreviation
GMT+6
Major cities in this zone
Diego Garcia

Sun today in Paris and Diego Garcia

Paris
Sunrise
06:13
Sunset
21:23
Solar noon
13:48
Daylight
15h 10m

Related converters

IOT to CET (reverse)CET to ESTCET to PSTCET to GMTCET to UTCCET to ISTEST to IOTPST to IOTGMT to IOTUTC to IOTIST to IOT
Looking for local time? See time in Paris or time in Diego Garcia.

Frequently asked questions

What is the time difference between CET and IOT right now?+
IOT (Indian Ocean Time) is currently 4 hours ahead CET (Central European Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does CET or IOT observe daylight saving time?+
CET: observes daylight saving time. IOT: does not observe daylight saving time.
When is the best time to schedule a meeting between CET and IOT?+
The strongest overlap is 09:00–12:00 CET (13:00–16:00 IOT), giving 4 hours when both sides are within standard 9am-5pm working hours.
What time is it in Diego Garcia when it is 12:00 noon in Paris?+
When it is 12:00 Wed in Paris (CET), it is 16:00 Wed in Diego Garcia (IOT).
Which IANA time zone identifiers are used for CET and IOT?+
CET maps to "Europe/Paris" in the IANA database. IOT maps to "Indian/Chagos". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Paris ahead of or behind Diego Garcia?+
Whether Paris (CET) is ahead of or behind Diego Garcia (IOT) depends on the current UTC offsets. Right now IOT is 4 hours ahead CET. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for CET and IOT?+
CET is UTC+02:00 (GMT+2) and IOT is UTC+06:00 (GMT+6). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both CET and IOT?+
Yes. There are 4 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–12:00 CET.