Simple command-line calendar.
Warning The code is a mess!
$ caly
August 2022
Mo Tu We Th Fr Sa Su
W31 1 2 3 4 5 6 7
W32 8 9 10 11 12 13 14
W33 15 16 17 18 19 20 21
W34 22 23 24 25 26 27 28
W35 29 30 31
Specific month:
$ caly -t 2012/12
December 2012
Mo Tu We Th Fr Sa Su
W48 1 2
W49 3 4 5 6 7 8 9
W50 10 11 12 13 14 15 16
W51 17 18 19 20 21 22 23
W52 24 25 26 27 28 29 30
W1 31