topdaysinmonth calendar
Return value
number of days in a month or -1 in case of error
Parameters
month
in
optional
year
in
optional
Examples
IDL> ndays = daysinmonth(2, 2000)
Version history
History
Sebastien Masson (smasson@lodyc.jussieu.fr)
2/7/98
update/review/english/new commons: June 2005 Sebastien Masson.
Other attributes
Uses routines
cm_4cal