Timezone abbreviation
COT currently resolves here through America/Bogota, where the live offset is -05:00 (GMT-5). This page expands that into the broader meaning set, top cities, countries, similar labels, and safer exact-zone equivalents.
Representative zones, offset ranges, and city usage are refreshed from the current timezone dataset so abbreviation pages stay tied to real zones instead of static boilerplate.
COT is a North or South American civil-time label, currently 5h behind UTC at -05:00. The label covers 1 IANA zone across 1 country, with Bogotá as the busiest live reference.
The busiest cities using COT in the current catalog are Bogotá, Cali, Medellín, Barranquilla, and Cartagena. The lead live reference on this page is Bogotá (America/Bogota), currently at -05:00 (GMT-5). Those cities are what give COT its actual feel rather than the abstract offset.
COT is stable on America/Bogota year-round, with no seasonal clock changes in the next year. That makes it a low-friction choice for recurring meetings and broadcast schedules — but software still prefers the IANA zone because governments can change civil-time rules independently of the short code.
Live reference
America/Bogota
Current offset
-05:00 (GMT-5)
Meanings / zones / countries
1 / 1 / 1
Offset range
UTC-05:00
COT is a North American mainland-style offset, so it overlaps with the US and Canadian business day. In practice it is read inside South America, where the leading city anchors are Bogotá, Colombia, Cali, Colombia, and Medellín, Colombia.
COT is unusually unambiguous: it ties to a single country and a single IANA zone, which is closer to a national clock label than a multi-region abbreviation.
COT shows up on Mercosur trade schedules, broadcast guides, and aviation notices. COT stays on a single offset year-round in the current data, which simplifies its operational use.
Zone family, representative city, current offset, country coverage, and nearby abbreviation context for COT.
Primary zone
America/Bogota
Live offset
-05:00 · GMT-5
Region family
South America
Meaning count
1 meaning
Zone / country reach
1 zones · 1 countries
Representative city
Bogotá, Colombia
Country anchor
Colombia
DST posture
No upcoming seasonal clock change detected in the representative zone
Offset range
UTC-05:00
Data fingerprint
This compact fingerprint is intentionally specific: exact zone IDs, place anchors, country anchors, transition cues, and offset peers. It gives humans and crawlers concrete reasons not to collapse COTinto another abbreviation with the same clock hour.
Route identity
cot · COT · Colombia Time · America/Bogota
Exact IANA zone set
America/Bogota
Place anchors
Bogotá, Colombia, Cali, Colombia, and Medellín, Colombia
Country anchors
Colombia (America/Bogota)
Transition fingerprints
America/Bogota: no next-year switch
Offset peers to verify
ACT (America/Rio_Branco), EAST (Pacific/Easter), ECT (America/Guayaquil), EDT (America/New_York), EST (America/New_York), PET (America/Lima)
Abbreviation dossier
These checks separate the abbreviation from lookalike labels and same-offset codes: the representative IANA zone, the current civil-time reading, the city/country footprint, and whether the lead zone has an upcoming clock change.
Primary live reading
Colombia Time resolves through America/Bogota right now: -05:00 (GMT-5).
Ambiguity status
COT maps to one meaning in this catalog, but the IANA zone still matters because clock-change rules live on the zone, not the short code.
DST and transition posture
America/Bogota has no scheduled offset switch in the next year in this snapshot.
Country and city reach
COT is represented across 1 country, 1 IANA zone, and lead cities including Bogotá, Colombia, Cali, Colombia, and Medellín, Colombia.
Same-offset caution
COT and ACT currently share -05:00, but they point at different civil-time labels, cities, countries, and source contexts. Treat the matching offset as arithmetic only, not semantic equivalence.
Precision layer
Timezone abbreviations are useful display labels, but they are weak storage keys. This register shows the exact risks for COT: ambiguity, seasonal changes, same-offset neighbors, and the safer value to store in software, calendars, or operations notes.
Abbreviation ambiguity risk
MediumCOT has one meaning in this catalog, but the zone and country context still carry the legal-time rule.
Seasonal clock-change risk
LowAmerica/Bogota is stable for the next-year transition scan, so the main risk is policy change or same-offset confusion.
Same-offset confusion risk
Medium6 other abbreviation pages currently share -05:00; the same clock hour is not the same civil-time context.
Storage recommendation
Use exact zoneStore America/Bogota or a UTC instant. Display COT only as a human-facing label after the exact zone is known.
Coverage breadth
1 zonesCOT covers 1 IANA zone and 1 country grouping in this page's retained dataset.
Four fixed UTC checkpoints expose whether COT crosses a local date boundary in America/Bogota. This is the practical difference between a harmless clock conversion and a deadline, release, travel, or reporting mistake.
COT moves this checkpoint to the previous local date in America/Bogota, which matters for reports, releases, travel, and deadline wording.
COT keeps this checkpoint on the same calendar date as UTC in America/Bogota.
COT keeps this checkpoint on the same calendar date as UTC in America/Bogota.
COT keeps this checkpoint on the same calendar date as UTC in America/Bogota.
These abbreviation pages currently share -05:00with COT. They can show the same wall-clock hour while pointing at different countries, holidays, market calendars, languages, airports, and legal-time rules.
Acre Time
ACT shares the current UTC offset with COT, but it is anchored to America/Rio_Branco and Brazil. Treat the shared offset as arithmetic only, not as the same holidays, cities, market calendars, or policy context.
Easter Island Time
EAST shares the current UTC offset with COT, but it is anchored to Pacific/Easter and Chile. Treat the shared offset as arithmetic only, not as the same holidays, cities, market calendars, or policy context.
Ecuador Time
ECT shares the current UTC offset with COT, but it is anchored to America/Guayaquil and Ecuador. Treat the shared offset as arithmetic only, not as the same holidays, cities, market calendars, or policy context.
Eastern Time
EDT shares the current UTC offset with COT, but it is anchored to America/New_York and United States, Canada, and Haiti. Treat the shared offset as arithmetic only, not as the same holidays, cities, market calendars, or policy context.
Eastern Time
EST shares the current UTC offset with COT, but it is anchored to America/New_York and United States, Canada, and Haiti. Treat the shared offset as arithmetic only, not as the same holidays, cities, market calendars, or policy context.
Peru Time
PET shares the current UTC offset with COT, but it is anchored to America/Lima and Peru. Treat the shared offset as arithmetic only, not as the same holidays, cities, market calendars, or policy context.
The hardest abbreviation mistakes happen when two labels share a similar offset. This matrix spells out what changes when the neighboring label is actually a different civil clock, city cluster, or source context.
COT and ACT currently share -05:00, but they point at different civil-time labels, cities, countries, and source contexts. Treat the matching offset as arithmetic only, not semantic equivalence.
COT and CDT sit near each other in the catalog, but the live offset and representative-zone context differ. Use the exact IANA zone before storing or sharing the time.
COT and EAST currently share -05:00, but they point at different civil-time labels, cities, countries, and source contexts. Treat the matching offset as arithmetic only, not semantic equivalence.
COT and ECT currently share -05:00, but they point at different civil-time labels, cities, countries, and source contexts. Treat the matching offset as arithmetic only, not semantic equivalence.
COT and EDT currently share -05:00, but they point at different civil-time labels, cities, countries, and source contexts. Treat the matching offset as arithmetic only, not semantic equivalence.
COT and EST currently share -05:00, but they point at different civil-time labels, cities, countries, and source contexts. Treat the matching offset as arithmetic only, not semantic equivalence.
Colombia sits in Americas, specifically South America. Population 53,057,212, area 1,141,748 km², capital Bogotá. Civic markers behind COT include Spanish and COP (Colombian peso, $).
Colombia is linked as the country-level reference source for COT; the civic context above is drawn from structured country fields rather than copied reference prose.
COT in the Colombia Time meaning runs 5h behind UTC through South America, threading zones such as America/Bogota (cities: Bogotá, Cali, and Medellín). Country anchors: Colombia.
Colombia Time
Current reading: GMT-5 at -05:00 in Colombia.
America/Bogota does not show a scheduled offset change in the next year, so the current offset can be treated as operationally stable for short-term planning.
City anchors include Bogotá, Cali, and Medellín, while country anchors include Colombia.
Live reference zone: America/Bogota (GMT-5, -05:00)
Leading city in the current dataset: Bogotá, Colombia.
Cities: Bogotá, Colombia, Cali, Colombia, and Medellín, Colombia. Countries: Colombia.
Live zones: America/Bogota (-05:00).
Countries
Colombia
Top cities
Bogotá, Cali, Medellín, Barranquilla
Colombia spans 1 zone (318 cities) under COT. Visible cities: Bogotá, Cali, and Medellín. Underlying zones: America/Bogota.
City anchors for COT (South America, currently -05:00). Pick a city to drop into a live local clock.
Colombia
Cities: Bogotá, Cali, Medellín, Barranquilla
Meaning group: Colombia Time
COT reads cleanly across the Americas in this dataset, but the same letters can mean different things elsewhere (notably CST, EST, and IST overlap with non-American labels). Pin the IANA zone when the audience is international.
America/Bogota does not show an offset change in the next year, which makes COT predictable for short-term scheduling. Predictable is not the same as permanent — civil-time rules still get changed by governments on relatively short notice.
For precise work, the safest equivalent of COT is the exact IANA zone used by your city or system. America/Bogota sits at -05:00, behind UTC, which means daily logs in this zone reach a new calendar date after UTC does — relevant for date-aligned reports and billing cutoffs.
Within this single zone (America/Bogota, -05:00), COT is unambiguous, so the abbreviation and the IANA zone effectively interchange.
The next best click after an abbreviation page usually depends on whether you need a city, a converter, or a live clock.
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