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XCLOCK(1)							     XCLOCK(1)

NAME
       xclock - analog / digital clock for X

SYNOPSIS
       xclock  [  -help	 ]  [ -analog | -digital ] [ -brief ] [ -chime ] [ -hd
       color ] [ -hl color ] [ -update	seconds	 ]  [  -strftime  format  ]  [
       -twelve	|  -twentyfour	| -utime ] [ -padding number ] [ -norender ] [
       -render ] [ -sharp ] [ -face pattern ]

DESCRIPTION
       The xclock program displays the time in analog or  digital  form.   The
       time  is	 continuously updated at a frequency which may be specified by
       the user.

OPTIONS
       Xclock accepts all of the standard X Toolkit command line options along
       with the additional options listed below:

       -help   This  option  indicates	that  a	 brief	summary of the allowed
	       options should be printed on the standard error.

       -analog This option indicates that a conventional 12  hour  clock  face
	       with tick marks and hands should be used.  This is the default.

       -digital or -d
	       This  option  indicates	that a 24 hour digital clock should be
	       used.

       -brief  This option indicates that the digital clock should  only  dis‐
	       play  the hours and minutes fields.  The default is to show the
	       full time and date information.

       -utime  This option indicates that a digital clock should display  sec‐
	       onds since the Epoch (in format '970012340 seconds since Epoch'
	       instead of a standard 24-hour time.

       -strftime format
	       This option allows an strftime(3) format string to be specified
	       for the digital clock's display.

       -twelve This  option  indicates that a digital clock should display the
	       time in twelve hour format.

       -twentyfour
	       This option indicates that a digital clock should  display  the
	       time  in	 twenty-four  hour format.  This is the default when a
	       digital clock is used.

       -chime  This option indicates that the clock should chime once  on  the
	       half hour and twice on the hour.

       -hands color (or -hd color)
	       This  option  specifies	the  color  of	the hands on an analog
	       clock.  The default  is	black.	 This  option  is  effectively
	       ignored when Xrender is in use.

       -highlight color (or -hl color)
	       This option specifies the color of the edges of the hands on an
	       analog clock, and  is  only  useful  on	color  displays.   The
	       default	is  black.   This  option  is effectively ignored when
	       Xrender is in use.

       -update seconds
	       This option specifies the frequency in seconds at which	xclock
	       should  update  its display.  If the clock is obscured and then
	       exposed, it will be updated immediately.	 A value of 30 seconds
	       or  less	 will  enable  a  second hand on an analog clock.  The
	       default is 60 seconds.

       -padding number
	       This option specifies  the  width  in  pixels  of  the  padding
	       between	the  window  border  and  clock	 text or picture.  The
	       default is 10 on a digital clock and 8 on an analog clock.

       -render This option tells xclock to use the Xrender extension  to  draw
	       an  anti-aliased	 face.	This is the default if xclock has been
	       compiled with Xrender support.  Note that the  color  selection
	       options	and  resources	used  when Xrender is in effect differ
	       from the standard options.

       -norender
	       This option turns off the use of Xrender to draw the clock.

       -sharp  This option tells xclock to use sharper edges when drawn	 using
	       the Xrender extension.

       -face pattern
	       This  option specifies the font to use in digital mode when the
	       Xrender extension is used.  Patterns are	 specified  using  the
	       fontconfig  face	 format described in the Font Names section of
	       fonts.conf(5).

X DEFAULTS
       This program uses the Clock widget.  It understands  all	 of  the  core
       resource names and classes as well as:

       width (class Width)
	       Specifies  the  width  of  the  clock.	The default for analog
	       clocks is 164 pixels; the default for digital clocks  is	 what‐
	       ever  is	 needed to hold the clock when displayed in the chosen
	       font.

       height (class Height)
	       Specifies the height of the  clock.   The  default  for	analog
	       clocks  is  164 pixels; the default for digital clocks is what‐
	       ever is needed to hold the clock when displayed in  the	chosen
	       font.

       update (class Interval)
	       Specifies  the frequency in seconds at which the time should be
	       redisplayed.

       foreground (class Foreground)
	       Specifies the color for the tick marks. The default depends  on
	       whether	reverseVideo  is specified.  If reverseVideo is speci‐
	       fied the default is lwhite, otherwise the default is black.

       hands (class Foreground)
	       Specifies the color of the insides of the  clock's  hands.  The
	       default	depends	 on  whether  reverseVideo  is	specified.  If
	       reverseVideo is specified the default is lwhite, otherwise  the
	       default	is  black.   Note  that this resource is not used when
	       Xrender is in effect.

       highlight (class Foreground)
	       Specifies the color used to highlight the  clock's  hands.  The
	       default is
		depends on whether reverseVideo is specified.  If reverseVideo
	       is specified the default is lwhite, otherwise  the  default  is
	       black.	Note that this resource is not used when Xrender is in
	       effect.

       analog (class Boolean)
	       Specifies whether or not an analog clock should be used instead
	       of a digital one.  The default is True.

       twentyfour (class Boolean)
	       Specifies  whether  or  not  a digital clock should display the
	       time in twenty-four hour format.	 The default is True.

       chime (class Boolean)
	       Specifies whether or not a bell should be rung on the hour  and
	       half hour.

       padding (class Margin)
	       Specifies  the amount of internal padding in pixels to be used.
	       The default is 8.

       font (class Font)
	       Specifies the font to be used for the digital clock.  Note that
	       variable	 width	fonts  currently  will not always display cor‐
	       rectly.	This font is only used when Xrender is not in effect.

       render (class Boolean)
	       Specifies whether or not the Xrender extension should  be  used
	       for  the	 display.  The default is True if xclock has been com‐
	       piled with Xrender support.

       When Xrender is in  effect,  the	 following  additional	resources  are
       understood:

       face (class FaceName)
	       Specify	the  pattern  for  the font to be used for the digital
	       clock when Xrender is used.   Patterns are specified using  the
	       fontconfig  face	 format described in the Font Names section of
	       fonts.conf(5).

       sharp (class Boolean)
	       Specifies if sharp edges should	be  used  when	rendering  the
	       clock.  The default is False.

       buffer (class Boolean)
	       Specifies  that	the updates of the image are drawn to a pixmap
	       before copied into the window instead  drawing  them  into  the
	       window directly.

       The  defaults of the following color resources depend on whether rever‐
       seVideo is specified.  If reverseVideo  is  specified  the  default  is
       lwhite, otherwise the default is black.

       hourColor (class Foreground)
	       The color of the hour hand.

       minuteColor (class Foreground)
	       The color of the minute hand.

       secondColor (class Foreground)
	       The color of the second hand.

       majorColor (class Foreground)
	       The color of the major scale ticks (i. e. each five minutes).

       minorColor (class Foreground)
	       The color of the minor scale ticks (between major ticks).

WIDGETS
       In  order  to  specify resources, it is useful to know the hierarchy of
       the widgets which compose xclock.  In the notation  below,  indentation
       indicates  hierarchical	structure.   The  widget  class	 name is given
       first, followed by the widget instance name.

       XClock  xclock
	    Clock  clock

ENVIRONMENT
       DISPLAY to get the default host and display number.

       XENVIRONMENT
	       to get the name of a resource file that	overrides  the	global
	       resources stored in the RESOURCE_MANAGER property.

FILES
       /etc/X11/app-defaults/XClock
	      specifies required resources

SEE ALSO
       X(7), xrdb(1), time(3C), fonts.conf (5).

BUGS
       Xclock believes the system clock.

       When in digital mode, the string should be centered automatically.

AUTHORS
       Tony Della Fera (MIT-Athena, DEC)
       Dave Mankins (MIT-Athena, BBN)
       Ed Moy (UC Berkeley)

X Version 11			 xclock 1.0.4			     XCLOCK(1)
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