cal

If you are looking to see what day your birthday will appear in 237 years, this is the program you need. cal can display any year from 1 to 9999.

The simplest way to use cal is to just type cal and you will get the current month and year.

cal

August 2005

Su Mo Tu We Th Fr Sa

1 2 3 4 5 6

7 8 9 10 1112 13

14 15 16 17 18 19 20

21 22 23 24 25 26 27

28 29 30 31

If you want a specific month of a year type the month and year:

cal september 2005

Do not abbreviate the year by using 05 as you will get the year 05 not 2005.

Options

-3 print months before and after selected month

-J display Julian Calendar

-m print a calendar with Monday as first day of week

-w print the number of week below each column

-y print present year

cal -3

This will print the months before and after present month.

cal -m

This command shows the days starting with Monday instead of Sunday.

cal -y

This will display the whole year.