Template:Timer

  Displays a countdown or countup timer.

Parameters

 * or  : time to countdown to, required.
 * : boolean. Timer counts upwards if chosen date has passed. Will override/disregard  &.
 * : specify when multiple timers are used on the page,  by default, e.g.,   for a second timer, etc.
 * : alternatively, to only specify a number, e.g.  for a second timer.
 * : optional completion text,  by default. Used at end of timer text for.
 * : custom style, optional.