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Command Reference A-21
NAME
date - display or set date and time
SYNOPSIS
date [ -u ] [ [[[[
cc
]
yy
]
mm
]
dd
]
hhmm
[ .ss ] ]
DESCRIPTION
date displays the current date and time when invoked without arguments.
When invoked with an argument, date sets the current date and time; the argu-
ment for setting the date and time is interpreted as follows:
cc
First 2 digits of the year (e.g., 19 for 1999).
yy
Next 2 digits of year (e.g., 99 for 1999).
mm
Numeric month. A number from 01 to 12.
dd
Day, a number from 01 to 31.
hh Hour, a number from 00 to 23.
mm
Minutes, a number from 00 to 59.
ss
Seconds, a number from 00 to 59.
If the first 2 digits of the year are omitted, they default to 19; if all 4 digits of the
year are omitted, they default to the current year. If the month or day are omitted,
they default to the current month and day, respectively. If the seconds are omit-
ted, they default to 0.
Time changes for Daylight Saving and Standard time, and for leap seconds and
years, are handled automatically.
OPTIONS
- u Display or set the date in GMT (universal time) instead of local time.
EXAMPLES
To set the current time to 21:00:
date 2100
To set the current time to 21:00, and the current day to the 6th of the current
month:
date 062100
To set the current time to 21:00, and the current day to December 6th of the cur-
rent year:
date 12062100
date