CAL(1) — UNIX Programmer’s Manual
NAME
cal − print calendar
SYNOPSIS
cal [ month ] year
DESCRIPTION
Cal prints a calendar for the specified year. If a month is also specified, a calendar only for that month is printed. The year can be specified between 1 and 9999. The month is a number between 1 and 12. The calendar produced is in standard English format.
Try September 1752.
BUGS
The year is always considered to start in January.
Beware that ‘cal 78’ refers to the early Christian era, not the 20th century.
October 19, 1983 — @(#)cal.11.1%Q%%Y%