COT to Z Time Converter

Convert Colombia Time (COT) to Zulu Time (Z). Both time zones are shown live below; current offset between them is 5 hours ahead.

Bogotá · Colombia Time
01:48:47
Sunday, May 24, 2026
GMT-5 · UTC-05:00
UTC · Zulu Time
06:48:47
Sunday, May 24, 2026
UTC · UTC+00:00

Convert a specific time

From: COT (Bogotá)
To: Z (UTC)
--:--

Daylight Saving status right now

COT (Colombia Time)
Observes DST
No
Z (Zulu Time)
Observes DST
No

When can COT and Z meet?

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01
02
03
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09
10
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COT
Z
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Bogotá (COT). Each row shows the local working-hours state in that zone for the same moment in time.
3 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–11:00 COT (14:00–16:00 Z).

Hour-by-hour COT to Z conversion table

COT time (Bogotá)Z time (UTC)Status
00:00 Sun05:00 SunOff-hours both sides
01:00 Sun06:00 SunOff-hours both sides
02:00 Sun07:00 SunOff-hours both sides
03:00 Sun08:00 SunOff-hours both sides
04:00 Sun09:00 SunZ working
05:00 Sun10:00 SunZ working
06:00 Sun11:00 SunZ working
07:00 Sun12:00 SunZ working
08:00 Sun13:00 SunZ working
09:00 Sun14:00 SunBoth at work
10:00 Sun15:00 SunBoth at work
11:00 Sun16:00 SunBoth at work
12:00 Sun17:00 SunCOT working
13:00 Sun18:00 SunCOT working
14:00 Sun19:00 SunCOT working
15:00 Sun20:00 SunCOT working
16:00 Sun21:00 SunCOT working
17:00 Sun22:00 SunOff-hours both sides
18:00 Sun23:00 SunOff-hours both sides
19:00 Sun00:00 MonOff-hours both sides
20:00 Sun01:00 MonOff-hours both sides
21:00 Sun02:00 MonOff-hours both sides
22:00 Sun03:00 MonOff-hours both sides
23:00 Sun04:00 MonOff-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

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

Related converters

Z to COT (reverse)COT to ESTCOT to PSTCOT to GMTCOT to UTCCOT to CETEST to ZPST to ZGMT to ZUTC to ZCET to Z
Looking for local time? See time in Bogotá or time in UTC.

Frequently asked questions

What is the time difference between COT and Z right now?+
Z (Zulu Time) is currently 5 hours ahead COT (Colombia Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does COT or Z observe daylight saving time?+
COT: does not observe daylight saving time. Z: does not observe daylight saving time.
When is the best time to schedule a meeting between COT and Z?+
The strongest overlap is 09:00–11:00 COT (14:00–16:00 Z), giving 3 hours when both sides are within standard 9am-5pm working hours.
What time is it in UTC when it is 12:00 noon in Bogotá?+
When it is 12:00 Sun in Bogotá (COT), it is 17:00 Sun in UTC (Z).
Which IANA time zone identifiers are used for COT and Z?+
COT maps to "America/Bogota" in the IANA database. Z maps to "UTC". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Bogotá ahead of or behind UTC?+
Whether Bogotá (COT) is ahead of or behind UTC (Z) depends on the current UTC offsets. Right now Z is 5 hours ahead COT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for COT and Z?+
COT is UTC-05:00 (GMT-5) and Z 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 COT and Z?+
Yes. There are 3 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–11:00 COT.