.Nd displays a calendar
.Sh SYNOPSIS
.Nm cal
-.Op Fl jy
+.Op Fl mjy
.Op Ar month Op Ar year
.Sh DESCRIPTION
.Nm Cal
the current month is displayed.
The options are as follows:
.Bl -tag -width Ds
+.It Fl m
+Display monday as the first day of the week.
.It Fl j
Display julian dates (days one-based, numbered from January 1).
.It Fl y