Is this holiday non-waivable?
The page indicates whether it is marked non-waivable under the current legislation loaded for Colombia. Always confirm with the official rule or your employer.
Can I make a long weekend with this holiday?
If it falls next to a weekend or between working days, the bridge section shows how many days off you get and which vacation days are worth taking.
Is the date official?
It is indicative according to the current calendars and rules for Colombia in CivicCalendar. There may be yearly adjustments by decree or overrides.