date Linux Commands
What is Linux date Command?
Explanation
date COMMAND:date command prints the date and time.SYNTAX :
date[options][+format][date]OPTIONS:
-a
Slowly adjust the time by sss.fff seconds (fff represents fractions of a second).
This adjustment can be positive or negative.Only system admin/ super user can adjust the time.
-sdate-string
Sets the time and date to the value specfied in the datestring.
The datestr may contain the month names, timezones, 'am', 'pm', etc.
-u
Display (or set) the date in Greenwich Mean Time (GMT-universal time).
Format:
%a
Abbreviated weekday(Tue).
%A
Full weekday(Tuesday).
%b
Abbreviated month name(Jan).
%B
Full month name(January).
%c
Country-specific date and time format..
%D
Date in the format %m/%d/%y.
%j
Julian day of year (001-366).
%n
Insert a new line.
%p
String to indicate a.m. or p.m.
%T
Time in the format %H:%M:%S.
%t
Tab space.
%V
Week number in year (01-52); start week on Monday.
EXAMPLE:
- date command
date
The above command will print Wed Jul 23 10:52:34 IST 2008
- To use tab space:
date +"Date is %D %t Time is %T"
The above command will remove space and print as
Date is 07/23/08 Time is 10:52:34
- To know the week number of the year,
date -V
The above command will print 30
- To set the date,
date -s "10/08/2008 11:37:23"
The above command will print Wed Oct 08 11:37:23 IST 2008
date[options][+format][date]
OPTIONS:
-a
Slowly adjust the time by sss.fff seconds (fff represents fractions of a second).
This adjustment can be positive or negative.Only system admin/ super user can adjust the time.
-sdate-string
Sets the time and date to the value specfied in the datestring.
The datestr may contain the month names, timezones, 'am', 'pm', etc.
-u
Display (or set) the date in Greenwich Mean Time (GMT-universal time).
Format:
%a
Abbreviated weekday(Tue).
%A
Full weekday(Tuesday).
%b
Abbreviated month name(Jan).
%B
Full month name(January).
%c
Country-specific date and time format..
%D
Date in the format %m/%d/%y.
%j
Julian day of year (001-366).
%n
Insert a new line.
%p
String to indicate a.m. or p.m.
%T
Time in the format %H:%M:%S.
%t
Tab space.
%V
Week number in year (01-52); start week on Monday.
EXAMPLE:
- date command
date
The above command will print Wed Jul 23 10:52:34 IST 2008
- To use tab space:
date +"Date is %D %t Time is %T"
The above command will remove space and print as
Date is 07/23/08 Time is 10:52:34
- To know the week number of the year,
date -V
The above command will print 30
- To set the date,
date -s "10/08/2008 11:37:23"
The above command will print Wed Oct 08 11:37:23 IST 2008
| -a | Slowly adjust the time by sss.fff seconds (fff represents fractions of a second). This adjustment can be positive or negative.Only system admin/ super user can adjust the time. |
| -sdate-string | Sets the time and date to the value specfied in the datestring. The datestr may contain the month names, timezones, 'am', 'pm', etc. |
| -u | Display (or set) the date in Greenwich Mean Time (GMT-universal time). |
| %a | Abbreviated weekday(Tue). |
| %A | Full weekday(Tuesday). |
| %b | Abbreviated month name(Jan). |
| %B | Full month name(January). |
| %c | Country-specific date and time format.. |
| %D | Date in the format %m/%d/%y. |
| %j | Julian day of year (001-366). |
| %n | Insert a new line. |
| %p | String to indicate a.m. or p.m. |
| %T | Time in the format %H:%M:%S. |
| %t | Tab space. |
| %V | Week number in year (01-52); start week on Monday. |
- date command date
The above command will print Wed Jul 23 10:52:34 IST 2008 - To use tab space:date +"Date is %D %t Time is %T"
The above command will remove space and print as
Date is 07/23/08 Time is 10:52:34 - To know the week number of the year,
date -V
The above command will print 30 - To set the date,
date -s "10/08/2008 11:37:23"
The above command will print Wed Oct 08 11:37:23 IST 2008
