COT to ACST Time Converter

Convert Colombia Time (COT) to Australian Central Standard Time (ACST). Both time zones are shown live below; current offset between them is 14h 30m ahead.

Bogotá · Colombia Time
10:23:24
Saturday, May 23, 2026
GMT-5 · UTC-05:00
Adelaide · Australian Central Standard Time
00:53:24
Sunday, May 24, 2026
GMT+9:30 · UTC+09:30

Convert a specific time

From: COT (Bogotá)
To: ACST (Adelaide)
--:--

Daylight Saving status right now

COT (Colombia Time)
Observes DST
No
ACST (Australian Central Standard Time)
Observes DST
Yes
In DST right now
No
Next spring forward
2026-10-04
Offset shift
UTC+09:30 → UTC+10:30

Heads up: ACST observes DST while COT does not. The 14.5-hour difference shown above will shift by one hour when ACST starts or ends DST.

When can COT and ACST meet?

00
01
02
03
04
05
06
07
08
09
10
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13
14
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18
19
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23
COT
ACST
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.
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 18:00–18:00 COT (08:30–08:30 ACST).

Hour-by-hour COT to ACST conversion table

COT time (Bogotá)ACST time (Adelaide)Status
00:00 Sat14:30 SatACST working
01:00 Sat15:30 SatACST working
02:00 Sat16:30 SatACST working
03:00 Sat17:30 SatOff-hours both sides
04:00 Sat18:30 SatOff-hours both sides
05:00 Sat19:30 SatOff-hours both sides
06:00 Sat20:30 SatOff-hours both sides
07:00 Sat21:30 SatOff-hours both sides
08:00 Sat22:30 SatOff-hours both sides
09:00 Sat23:30 SatCOT working
10:00 Sat00:30 SunCOT working
11:00 Sat01:30 SunCOT working
12:00 Sat02:30 SunCOT working
13:00 Sat03:30 SunCOT working
14:00 Sat04:30 SunCOT working
15:00 Sat05:30 SunCOT working
16:00 Sat06:30 SunCOT working
17:00 Sat07:30 SunOff-hours both sides
18:00 Sat08:30 SunOff-hours both sides
19:00 Sat09:30 SunACST working
20:00 Sat10:30 SunACST working
21:00 Sat11:30 SunACST working
22:00 Sat12:30 SunACST working
23:00 Sat13:30 SunACST 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

Colombia Time (COT)
IANA identifier
America/Bogota
Current UTC offset
UTC-05:00
Current abbreviation
GMT-5
Major cities in this zone
BogotáMedellín
Australian Central Standard Time (ACST)
IANA identifier
Australia/Adelaide
Current UTC offset
UTC+09:30
Current abbreviation
GMT+9:30
Major cities in this zone
Adelaide

Sun today in Bogotá and Adelaide

Adelaide
Sunrise
07:10
Sunset
17:17
Solar noon
12:13
Daylight
10h 6m

Related converters

ACST to COT (reverse)COT to ESTCOT to PSTCOT to GMTCOT to UTCCOT to CETEST to ACSTPST to ACSTGMT to ACSTUTC to ACSTCET to ACST
Looking for local time? See time in Bogotá or time in Adelaide.

Frequently asked questions

What is the time difference between COT and ACST right now?+
ACST (Australian Central Standard Time) is currently 14h 30m 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 ACST observe daylight saving time?+
COT: does not observe daylight saving time. ACST: observes daylight saving time.
When is the best time to schedule a meeting between COT and ACST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 18:00–18:00 COT (08:30–08:30 ACST).
What time is it in Adelaide when it is 12:00 noon in Bogotá?+
When it is 12:00 Sat in Bogotá (COT), it is 02:30 Sun in Adelaide (ACST).
Which IANA time zone identifiers are used for COT and ACST?+
COT maps to "America/Bogota" in the IANA database. ACST maps to "Australia/Adelaide". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Bogotá ahead of or behind Adelaide?+
Whether Bogotá (COT) is ahead of or behind Adelaide (ACST) depends on the current UTC offsets. Right now ACST is 14h 30m 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 ACST?+
COT is UTC-05:00 (GMT-5) and ACST is UTC+09:30 (GMT+9:30). 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 ACST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between COT and ACST is 18:00–18:00 COT.