Time in Colombia

has one time zone, Colombia Time , which is located in the UTC−05:00 zone, five hours behind Coordinated Universal Time. Its standard time zone abbreviation is COT.
Prior to Colombia introducing a nationwide time zone in 1914, Bogotá mean time was used.
Colombia does not observe daylight saving time, but used it for eleven months between May 1992 and April 1993.
The official national time is kept by the National Metrology Institute since 2011.

IANA time zone database

In the IANA time zone database Colombia has the following time zone:

America/Bogota