Date & Time Syntax
The syntax is
date
+FORMAT
date
+"%FORMAT"
date
+"%FORMAT%FORMAT"
date
+"%FORMAT-%FORMAT"
Display date
Date in mm-dd-yy format:
$ date
+"%m-%d-%y"
Output: 02-27-07
Output: 02-27-07
Date as mm/dd/yy format:
date +"%D"
Date as Tuesday-03-December-13
date +%A-%d-%B-%y
Output: Tuesday-03-December-13
Date as Tuesday-03-Dec-13
date +%A%_d-%b-%y
Output: Tuesday
3-Dec-13
Date as mm/dd/yyyy format:
date +"%m/%d/%Y"
Display time only
Type the
following command:
$ date +"%T"
Outputs: 19:55:04
$ date +"%T"
Outputs: 19:55:04
To display
locale's 12-hour clock time, enter:
$ date +"%r"
Outputs: 07:56:05 PM
$ date +"%r"
Outputs: 07:56:05 PM
To display time
in HH:MM format, type:
$ date +"%H-%M"
Sample outputs: 00-50
$ date +"%H-%M"
Sample outputs: 00-50
A complete list of FORMAT control characters supported by the date
command
FORMAT controls the output. It can be the
combination of any one of the following:
%FORMAT String
|
Description
|
%%
|
a literal %
|
%a
|
locale's
abbreviated weekday name (e.g., Sun)
|
%A
|
locale's full
weekday name (e.g., Sunday)
|
%b
|
locale's
abbreviated month name (e.g., Jan)
|
%B
|
locale's full
month name (e.g., January)
|
%c
|
locale's date and
time (e.g., Thu Mar 3 23:05:25 2005)
|
%C
|
century; like %Y,
except omit last two digits (e.g., 21)
|
%d
|
day of month
(e.g, 01)
|
%D
|
date; same as
%m/%d/%y
|
%e
|
day of month,
space padded; same as %_d
|
%F
|
full date; same
as %Y-%m-%d
|
%g
|
last two digits
of year of ISO week number (see %G)
|
%G
|
year of ISO week
number (see %V); normally useful only with %V
|
%h
|
same as %b
|
%H
|
hour (00..23)
|
%I
|
hour (01..12)
|
%j
|
day of year
(001..366)
|
%k
|
hour ( 0..23)
|
%l
|
hour ( 1..12)
|
%m
|
month (01..12)
|
%M
|
minute (00..59)
|
%n
|
a newline
|
%N
|
nanoseconds
(000000000..999999999)
|
%p
|
locale's
equivalent of either AM or PM; blank if not known
|
%P
|
like %p, but
lower case
|
%r
|
locale's 12-hour
clock time (e.g., 11:11:04 PM)
|
%R
|
24-hour hour and
minute; same as %H:%M
|
%s
|
seconds since
1970-01-01 00:00:00 UTC
|
%S
|
second (00..60)
|
%t
|
a tab
|
%T
|
time; same as
%H:%M:%S
|
%u
|
day of week
(1..7); 1 is Monday
|
%U
|
week number of
year, with Sunday as first day of week (00..53)
|
%V
|
ISO week number,
with Monday as first day of week (01..53)
|
%w
|
day of week
(0..6); 0 is Sunday
|
%W
|
week number of
year, with Monday as first day of week (00..53)
|
%x
|
locale's date
representation (e.g., 12/31/99)
|
%X
|
locale's time
representation (e.g., 23:13:48)
|
%y
|
last two digits
of year (00..99)
|
%Y
|
year
|
%z
|
+hhmm numeric
timezone (e.g., -0400)
|
%:z
|
+hh:mm numeric
timezone (e.g., -04:00)
|
%::z
|
+hh:mm:ss numeric
time zone (e.g., -04:00:00)
|
%:::z
|
numeric time zone
with : to necessary precision (e.g., -04, +05:30)
|
%Z
|
alphabetic time
zone abbreviation (e.g., EDT)
|
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