Make Countdown Timer Animated Image 
Style A gif
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URL
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HTML

Dynamic Counter Parameters
add to any counter URL for dynamic updates
Expiration Msg 'expired' (15 char urlencoded) ?expires=Thank%20You
Change Datetime 'dt' (YY-MM-DDTHH:II:SS) ?dt=19-12-25T08:30:00
 +Hours 'addHours' (dt + addHours) ?dt=19-05-22T24:00:00&addHours=48
Time Zone 'tz' (+12.0 - 12.0 or 'local') ?tz=-2.30
Color 'color' (RGB hex, no '#') ?color=ffffff
Transparency 'alpha' (Range 0-255) ?alpha=200
Background 'bgcolor' (RGB hex, no '#') ?color=000000
Background Transparency 'bgalpha' (Range 0-255) ?alpha=250
Every Day At 'everydayat' (0:0 - 23:59 military) ?everydayat=5:00&tz=local
   
Change Everything (example) ?alpha=50&color=00ff00&tz=8.0&dt=20-12-25T08:30:00&addHours=2


HTML + Javascript (example)
<img id="myTimer" src="https://cgeni.us/ct/0Aff0000sTDTMAAMpnzcnvta-travhf.png">
<button onclick="inHours(hours=3)">Hours From Now</button>

<script>
  function inHours(hours=2){
   var timerURL = document.getElementById('myTimer').src;
   var utc = new Date().toISOString().slice(2,19); //e.g. 20-03-12T21:12:07
   var queryStr = '?dt=' + utc + '&tz=0&addHours=' + hours;
   //e.g. ?dt=20-03-12T21:12:07&addHours=2
   document.getElementById('myTimer').src = timerURL + queryStr
  }
</script>