Parameters
time: time to countdown to, required.style: custom style, optional.endClass: specify when multiple timers are used on the page,countdownCompleteby default, e.g.,countdownComplete2for a second timer, etc.endText: optional completion text,Countdown complete!by default.
See MediaWiki:Gadget-Countdown.js for JS implementation details.
Examples
{{Timer
|time = January 19 2038 12:14:07 +0900
|style = font-weight:bold
|endClass = countdownComplete2
|endText = The time is now!
}}