cal flags & options
Basic usage
Show the current month.
cal
Specific month and year
cal 12 2025
-3
Show previous, current, and next month.
cal -3
-y
Show the full year.
cal -y
cal -y 2026
-m, --monday
Start the week on Monday.
cal -m
-j, --julian
Display Julian day numbers (day of year).
cal -j
-A, --months
Show N months after the current month.
cal -A 2
-B
Show N months before the current month.
cal -B 1
Combine before and after
cal -B 1 -A 3