Time in Colombia
Colombia has one time zone, Colombia Time (COT), which is located in the UTC−05:00 zone, 5 hours behind Coordinated Universal Time (UTC). Its standard time zone abbreviation is
COT. Colombia doesn't observe daylight saving time.
IANA time zone database 
In the IANA time zone database Colombia has the following time zone:
- America/Bogota (CO)
- Worldtimezone.com Time zone names - Colombia Time, Retrieved April 24, 2010