What is cdt?
The cdt package manipulates date and datetime values in standard format. The programs support numerous options for printing sequences of dates according to various criteria.
The calday program works with dates in either ISO format (YYYY-MM-DD) or basic format (YYYYMMDD).
The caldaytime program works with dates in either ISO format (YYYY-MM-DDThh:mm:ss+hhmm) or basic format (YYYYMMDDhhmmss).
Files in this package are in the public domain.
The cdt package comes with NO WARRANTY.