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- DATE(1L) DATE(1L)
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-
- NNAAMMEE
- date - print or set the system date and time
-
- SSYYNNOOPPSSIISS
- ddaattee [-u] [-d datestr] [-s datestr] [+FORMAT] [MMD-
- Dhhmm[[CC]YY][.ss]]
-
- DDEESSCCRRIIPPTTIIOONN
- This manual page documents the GNU version of ddaattee. ddaattee
- with no arguments prints the current time and date (in the
- format of the `%c' directive described below). If given
- an argument that starts with a `+', it prints the current
- time and date in a format controlled by that argument,
- which has the same format as the format string passed to
- the `strftime' function. Except for directives that start
- with `%', characters in that string are printed unchanged.
-
- The directives are:
-
- % a literal %
-
- n a newline
-
- t a horizontal tab
-
- Time fields:
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- %H hour (00..23)
-
- %I hour (01..12)
-
- %k hour ( 0..23)
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- %l hour ( 1..12)
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- %M minute (00..59)
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- %p locale's AM or PM
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- %r time, 12-hour (hh:mm:ss [AP]M)
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- %S second (00..61)
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- %T time, 24-hour (hh:mm:ss)
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- %X locale's time representation (%H:%M:%S)
-
- %Z time zone (e.g., EDT), or nothing if no time zone
- is determinable
-
- Date fields:
-
- %a locale's abbreviated weekday name (Sun..Sat)
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- DATE(1L) DATE(1L)
-
-
- %A locale's full weekday name, variable length (Sun-
- day..Saturday)
-
- %b locale's abbreviated month name (Jan..Dec)
-
- %B locale's full month name, variable length (Jan-
- uary..December)
-
- %c locale's date and time (Sat Nov 04 12:02:33 EST
- 1989)
-
- %d day of month (01..31)
-
- %D date (mm/dd/yy)
-
- %h same as %b
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- %j day of year (001..366)
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- %m month (01..12)
-
- %U week number of year with Sunday as first day of
- week (00..53)
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- %w day of week (0..6)
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- %W week number of year with Monday as first day of
- week (00..53)
-
- %x locale's date representation (mm/dd/yy)
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- %y last two digits of year (00..99)
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- %Y year (1970...)
-
- If given an argument that does not start with `+', ddaattee
- sets the system clock to the time and date specified by
- that argument. The argument must consist entirely of dig-
- its, which have the following meaning:
-
- MM month
-
- DD day within month
-
- hh hour
-
- mm minute
-
- CC first two digits of year (optional)
-
- YY last two digits of year (optional)
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- ss second (optional)
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- DATE(1L) DATE(1L)
-
-
- Only the superuser can set the system clock.
-
- OOPPTTIIOONNSS
- _-_d _d_a_t_e_s_t_r
- Display the time and date specified in _d_a_t_e_s_t_r,
- which can be in almost any common format. The dis-
- play is in the default output format, or if an
- argument starting with `+' is given to ddaattee, in the
- format specified by that argument.
-
- _-_s _d_a_t_e_s_t_r
- Set the time and date to _d_a_t_e_s_t_r, which can be in
- almost any common format. It can contain month
- names, timezones, `am' and `pm', etc.
-
- _-_u Print or set the time and date in Universal Coordi-
- nated Time (also known as Greenwich Mean Time)
- instead of in local (wall clock) time.
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