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Convert Australian Central Standard Time to Colombia Time

Instantly convert Australian Central Standard Time (ACST) to Colombia Time (COT) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Australian Central Standard Time

02:50:54 PM

Wed, Jun 24 (ACST)

Colombia Time

12:20:54 AM

Wed, Jun 24 (COT)

COT is -14.5 hours from ACST

Convert a Specific Time

ACST

24-Hour Comparison

ACSTCOT
12:00 AM9.5:00 AM(-1d)
1:00 AM10.5:00 AM(-1d)
2:00 AM11.5:00 AM(-1d)
3:00 AM0.5:00 PM(-1d)
4:00 AM1.5:00 PM(-1d)
5:00 AM2.5:00 PM(-1d)
6:00 AM3.5:00 PM(-1d)
7:00 AM4.5:00 PM(-1d)
8:00 AM5.5:00 PM(-1d)
9:00 AM6.5:00 PM(-1d)
10:00 AM7.5:00 PM(-1d)
11:00 AM8.5:00 PM(-1d)
12:00 PM9.5:00 PM(-1d)
1:00 PM10.5:00 PM(-1d)
2:00 PM11.5:00 PM(-1d)
3:00 PM0.5:00 AM
4:00 PM1.5:00 AM
5:00 PM2.5:00 AM
6:00 PM3.5:00 AM
7:00 PM4.5:00 AM
8:00 PM5.5:00 AM
9:00 PM6.5:00 AM
10:00 PM7.5:00 AM
11:00 PM8.5:00 AM

How to Convert Australian Central Standard Time to Colombia Time

Formula

To convert Australian Central Standard Time (ACST) to Colombia Time (COT): Convert ACST to COT

About Australian Central Standard Time (ACST)

Australian Central Standard Time (ACST, IANA: Australia/Adelaide, Australia/Darwin) is the civil time of South Australia (SA) + Northern Territory (NT) + Broken Hill area of New South Wales, set at UTC+9:30 — one of the few 30-minute-offset time zones in the developed world. South Australia observes Daylight Saving Time per state legislation (switching to ACDT = UTC+10:30) from the first Sunday of October to the first Sunday of April, while Northern Territory does NOT observe DST (stays on ACST year-round). The 30-minute offset is preserved because central Australia's longitudinal position (135°E) falls between Australian Western Standard Time (AWST = UTC+8) and Australian Eastern Standard Time (AEST = UTC+10), and the colonial-era decision was to split the difference. ACST serves approximately 1.9 million Australians: 1.7M in SA + 250K in NT + 20K in Broken Hill NSW. Major ACST cities: Adelaide (1.4M metro — South Australia capital), Darwin (150K — Northern Territory capital and the gateway to Asia from northern Australia), Alice Springs (25K — center of Australian Outback tourism + Uluru-Kata Tjuta National Park access), Mount Gambier (30K), Whyalla (22K), Broken Hill NSW (18K). Affects: ASX-South-Australian-listed mining-company operations, Darwin port shipping to Indonesia + Timor-Leste.

About Colombia Time (COT)

Colombia Time (COT, IANA: America/Bogota) is the official civil time of the Republic of Colombia, set at UTC-5:00 year-round. Colombia abolished Daylight Saving Time in 1993 after a brief experimental DST period (1992-1993), so COT is observed without seasonal change since then. COT serves approximately 52 million people across Colombia's 32 departments + Bogotá Capital District. Major cities: Bogotá (8M city, 11M metro — capital), Medellín (2.5M city, 4M metro), Cali (2.3M), Barranquilla (1.3M), Cartagena (1M), Cúcuta (700K), Bucaramanga (600K). COT is identical in offset to Eastern Standard Time (EST) US, Cuban Standard Time (CST-Cu), Peru Time (PET), and Ecuador Time (ECT). The San Andrés and Providencia archipelago in the Caribbean Sea (closer to Nicaragua than to mainland Colombia) also observes COT. Affects: Bolsa de Valores de Colombia (BVC) trading hours, Ecopetrol oil-pipeline operations, Café de Colombia harvest-season coordination, and Cartagena de Indias cruise-ship port arrivals scheduling.

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