Cal – Display a Calendar in Your Terminal
Just don't try to use two digit format for years:<p><pre><code>    ~ $ cal 5 16
           May 16
    Su Mo Tu We Th Fr Sa
                    1  2
     3  4  5  6  7  8  9
    10 11 12 13 14 15 16
    17 18 19 20 21 22 23
    24 25 26 27 28 29 30
    31
    ~ $ cal 5 2016
          May 2016
    Su Mo Tu We Th Fr Sa
     1  2  3  4  5  6  7
     8  9 10 11 12 13 14
    15 16 17 18 19 20 21
    22 23 24 25 26 27 28
    29 30 31</code></pre>