ACST to COT Time Converter

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

Adelaide · Australian Central Standard Time
23:39:32
Tuesday, May 12, 2026
GMT+9:30 · UTC+09:30
Bogotá · Colombia Time
09:09:32
Tuesday, May 12, 2026
GMT-5 · UTC-05:00

Convert a specific time

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

Daylight Saving status right now

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
COT (Colombia Time)
Observes DST
No

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 ACST and COT meet?

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ACST
COT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Adelaide (ACST). 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 08:00–09:00 ACST (17:30–18:30 COT).

Hour-by-hour ACST to COT conversion table

ACST time (Adelaide)COT time (Bogotá)Status
00:00 Tue09:30 MonCOT working
01:00 Tue10:30 MonCOT working
02:00 Tue11:30 MonCOT working
03:00 Tue12:30 MonCOT working
04:00 Tue13:30 MonCOT working
05:00 Tue14:30 MonCOT working
06:00 Tue15:30 MonCOT working
07:00 Tue16:30 MonCOT working
08:00 Tue17:30 MonOff-hours both sides
09:00 Tue18:30 MonACST working
10:00 Tue19:30 MonACST working
11:00 Tue20:30 MonACST working
12:00 Tue21:30 MonACST working
13:00 Tue22:30 MonACST working
14:00 Tue23:30 MonACST working
15:00 Tue00:30 TueACST working
16:00 Tue01:30 TueACST working
17:00 Tue02:30 TueOff-hours both sides
18:00 Tue03:30 TueOff-hours both sides
19:00 Tue04:30 TueOff-hours both sides
20:00 Tue05:30 TueOff-hours both sides
21:00 Tue06:30 TueOff-hours both sides
22:00 Tue07:30 TueOff-hours both sides
23:00 Tue08:30 TueOff-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

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

Sun today in Adelaide and Bogotá

Adelaide
Sunrise
07:01
Sunset
17:25
Solar noon
12:13
Daylight
10h 23m

Related converters

COT to ACST (reverse)ACST to ESTACST to PSTACST to GMTACST to UTCACST to CETEST to COTPST to COTGMT to COTUTC to COTCET to COT
Looking for local time? See time in Adelaide or time in Bogotá.

Frequently asked questions

What is the time difference between ACST and COT right now?+
COT (Colombia Time) is currently 14h 30m behind ACST (Australian Central Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does ACST or COT observe daylight saving time?+
ACST: observes daylight saving time. COT: does not observe daylight saving time.
When is the best time to schedule a meeting between ACST and COT?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–09:00 ACST (17:30–18:30 COT).
What time is it in Bogotá when it is 12:00 noon in Adelaide?+
When it is 12:00 Tue in Adelaide (ACST), it is 21:30 Mon in Bogotá (COT).
Which IANA time zone identifiers are used for ACST and COT?+
ACST maps to "Australia/Adelaide" 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 Adelaide ahead of or behind Bogotá?+
Whether Adelaide (ACST) is ahead of or behind Bogotá (COT) depends on the current UTC offsets. Right now COT is 14h 30m behind ACST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for ACST and COT?+
ACST is UTC+09:30 (GMT+9:30) 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 ACST and COT?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between ACST and COT is 08:00–09:00 ACST.