RET to COT Time Converter

Convert Réunion Time (RET) to Colombia Time (COT). Both time zones are shown live below; current offset between them is 9 hours behind.

Saint-Denis · Réunion Time
14:09:44
Wednesday, May 20, 2026
GMT+4 · UTC+04:00
Bogotá · Colombia Time
05:09:44
Wednesday, May 20, 2026
GMT-5 · UTC-05:00

Convert a specific time

From: RET (Saint-Denis)
To: COT (Bogotá)
--:--

Daylight Saving status right now

RET (Réunion Time)
Observes DST
No
COT (Colombia Time)
Observes DST
No

When can RET and COT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
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23
RET
COT
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.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 17:00–18:00 RET (08:00–09:00 COT).

Hour-by-hour RET to COT conversion table

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

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
Colombia Time (COT)
IANA identifier
America/Bogota
Current UTC offset
UTC-05:00
Current abbreviation
GMT-5
Major cities in this zone
BogotáMedellín

Related converters

COT to RET (reverse)RET to ESTRET to PSTRET to GMTRET to UTCRET to CETEST to COTPST to COTGMT to COTUTC to COTCET to COT
Looking for local time? See time in Saint-Denis or time in Bogotá.

Frequently asked questions

What is the time difference between RET and COT right now?+
COT (Colombia Time) is currently 9 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 COT observe daylight saving time?+
RET: does not observe daylight saving time. COT: does not observe daylight saving time.
When is the best time to schedule a meeting between RET and COT?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 17:00–18:00 RET (08:00–09:00 COT).
What time is it in Bogotá when it is 12:00 noon in Saint-Denis?+
When it is 12:00 Wed in Saint-Denis (RET), it is 03:00 Wed in Bogotá (COT).
Which IANA time zone identifiers are used for RET and COT?+
RET maps to "Indian/Reunion" in the IANA database. COT maps to "America/Bogota". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Saint-Denis ahead of or behind Bogotá?+
Whether Saint-Denis (RET) is ahead of or behind Bogotá (COT) depends on the current UTC offsets. Right now COT is 9 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 COT?+
RET is UTC+04:00 (GMT+4) and COT is UTC-05:00 (GMT-5). 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 COT?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between RET and COT is 17:00–18:00 RET.