UTC to RET Time Converter

Convert Coordinated Universal Time (UTC) to Réunion Time (RET). Both time zones are shown live below; current offset between them is 4 hours ahead.

UTC · Coordinated Universal Time
13:56:25
Wednesday, May 13, 2026
UTC · UTC+00:00
Saint-Denis · Réunion Time
17:56:25
Wednesday, May 13, 2026
GMT+4 · UTC+04:00

Convert a specific time

From: UTC (UTC)
To: RET (Saint-Denis)
--:--

Daylight Saving status right now

UTC (Coordinated Universal Time)
Observes DST
No
RET (Réunion Time)
Observes DST
No

When can UTC and RET meet?

00
01
02
03
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09
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UTC
RET
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in UTC (UTC). 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: 09:0012:00 UTC (13:0016:00 RET).

Hour-by-hour UTC to RET conversion table

UTC time (UTC)RET time (Saint-Denis)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 WedRET working
06:00 Wed10:00 WedRET working
07:00 Wed11:00 WedRET working
08:00 Wed12:00 WedRET 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 WedUTC working
14:00 Wed18:00 WedUTC working
15:00 Wed19:00 WedUTC working
16:00 Wed20:00 WedUTC 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

Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC
Réunion Time (RET)
IANA identifier
Indian/Reunion
Current UTC offset
UTC+04:00
Current abbreviation
GMT+4
Major cities in this zone
Saint-Denis

Related converters

Looking for local time? See time in UTC or time in Saint-Denis.

Frequently asked questions

What is the time difference between UTC and RET right now?+
RET (Réunion Time) is currently 4 hours ahead UTC (Coordinated Universal Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does UTC or RET observe daylight saving time?+
UTC: does not observe daylight saving time. RET: does not observe daylight saving time.
When is the best time to schedule a meeting between UTC and RET?+
The strongest overlap is 09:00–12:00 UTC (13:00–16:00 RET), giving 4 hours when both sides are within standard 9am-5pm working hours.
What time is it in Saint-Denis when it is 12:00 noon in UTC?+
When it is 12:00 Wed in UTC (UTC), it is 16:00 Wed in Saint-Denis (RET).
Which IANA time zone identifiers are used for UTC and RET?+
UTC maps to "UTC" in the IANA database. RET maps to "Indian/Reunion". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is UTC ahead of or behind Saint-Denis?+
Whether UTC (UTC) is ahead of or behind Saint-Denis (RET) depends on the current UTC offsets. Right now RET is 4 hours ahead UTC. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for UTC and RET?+
UTC is UTC+00:00 (UTC) and RET is UTC+04:00 (GMT+4). 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 UTC and RET?+
Yes. There are 4 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–12:00 UTC.