RET to UTC Time Converter

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

Saint-Denis · Réunion Time
06:10:20
Wednesday, May 13, 2026
GMT+4 · UTC+04:00
UTC · Coordinated Universal Time
02:10:20
Wednesday, May 13, 2026
UTC · UTC+00:00

Convert a specific time

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

Daylight Saving status right now

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

When can RET and UTC meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
RET
UTC
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Saint-Denis (RET). 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: 13:00–16:00 RET (09:00–12:00 UTC).

Hour-by-hour RET to UTC conversion table

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

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

Related converters

UTC to RET (reverse)RET to ESTRET to PSTRET to GMTRET to CETRET to ISTEST to UTCPST to UTCGMT to UTCCET to UTCIST to UTC
Looking for local time? See time in Saint-Denis or time in UTC.

Frequently asked questions

What is the time difference between RET and UTC right now?+
UTC (Coordinated Universal Time) is currently 4 hours behind RET (Réunion Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does RET or UTC observe daylight saving time?+
RET: does not observe daylight saving time. UTC: does not observe daylight saving time.
When is the best time to schedule a meeting between RET and UTC?+
The strongest overlap is 13:00–16:00 RET (09:00–12:00 UTC), giving 4 hours when both sides are within standard 9am-5pm working hours.
What time is it in UTC when it is 12:00 noon in Saint-Denis?+
When it is 12:00 Wed in Saint-Denis (RET), it is 08:00 Wed in UTC (UTC).
Which IANA time zone identifiers are used for RET and UTC?+
RET maps to "Indian/Reunion" in the IANA database. UTC maps to "UTC". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Saint-Denis ahead of or behind UTC?+
Whether Saint-Denis (RET) is ahead of or behind UTC (UTC) depends on the current UTC offsets. Right now UTC is 4 hours behind RET. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for RET and UTC?+
RET is UTC+04:00 (GMT+4) and UTC is UTC+00:00 (UTC). 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 RET and UTC?+
Yes. There are 4 hours of overlap during standard 9am-5pm working hours, with the strongest window at 13:00–16:00 RET.