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- .TH CAL 1
- .SH NAME
- cal \- print calendar
- .SH SYNOPSIS
- .B cal
- [
- .I month
- ]
- [
- .I year
- ]
- .SH DESCRIPTION
- .I Cal
- prints a calendar.
- .I Month
- is either a number from 1 to 12,
- a lower case month name,
- or a lower case three-letter prefix of a month name.
- .I Year
- can be between 1
- and 9999.
- If either
- .I month
- or
- .I year
- is omitted, the current month or year is used.
- If only one argument is given, and it is a number larger than 12,
- a calendar for all twelve months of the given year is produced;
- otherwise a calendar for just one month is printed.
- The calendar
- produced is that for England and her colonies.
- .PP
- Try
- .EX
- cal sep 1752
- .EE
- .SH SOURCE
- .B /sys/src/cmd/cal.c
- .SH BUGS
- The year is always considered to start in January even though this
- is historically naive.
- .PP
- Beware that
- .L "cal 90"
- refers to the early Christian era,
- not the 20th century.
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