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HTML

              
                <div id="clock"></div>
<svg>
    <font id="Ubuntu-Light" horiz-adv-x="376">
      <glyph glyph-name="space" unicode=" " horiz-adv-x="228" />
      <glyph glyph-name="zero" unicode="0" horiz-adv-x="564" d="M59 346q0 176 58 269t165 93q106 0 164.5 -93t58.5 -269q0 -175 -58.5 -268t-164.5 -93t-164.5 93t-58.5 268zM434 346q0 60 -7.5 114.5t-25.5 96.5t-47 67t-72 25q-44 0 -73 -25t-46.5 -67t-25 -96.5t-7.5 -114.5t7.5 -114.5t25 -96t46.5 -66.5t73 -25q43 0 72 25
t47 66.5t25.5 96t7.5 114.5z" />
      <glyph glyph-name="one" unicode="1" horiz-adv-x="564" d="M107 551q60 21 107 53.5t93 88.5h46v-693h-65v594q-11 -12 -28.5 -25t-39.5 -25.5t-46 -24t-48 -18.5z" />
      <glyph glyph-name="two" unicode="2" horiz-adv-x="564" d="M456 521q0 -39 -14 -73.5t-37.5 -66.5t-53.5 -62t-61 -60q-26 -25 -50.5 -50.5t-44 -51t-31 -50t-11.5 -48.5v-2h327v-57h-399q0 2 -0.5 7.5t-0.5 16.5q0 47 17 87.5t43.5 76.5t59 67t62.5 60q25 24 47.5 46.5t39.5 46.5t27 51t10 59q0 70 -37.5 100.5t-94.5 30.5
q-32 0 -57 -8t-43.5 -18.5t-31.5 -21.5t-19 -17l-34 45q6 7 21.5 20.5t39 26.5t54.5 22.5t69 9.5q101 0 152 -49.5t51 -137.5z" />
      <glyph glyph-name="three" unicode="3" horiz-adv-x="564" d="M235 45q95 0 136 39.5t41 106.5q0 44 -16.5 73t-45 46.5t-66 25t-79.5 7.5h-10v54h23q27 0 55.5 5.5t52 20.5t39 40t15.5 64q0 33 -11 56.5t-29.5 37.5t-43 20.5t-51.5 6.5q-54 0 -84 -15t-49 -28l-28 51q10 7 25.5 16t36.5 17t46.5 13.5t55.5 5.5q52 0 89.5 -13
t62.5 -36.5t37 -56t12 -70.5q0 -61 -32.5 -99.5t-83.5 -55.5q28 -7 54.5 -21.5t47.5 -37t34 -54.5t13 -75q0 -44 -15.5 -81t-46 -64.5t-77.5 -43t-110 -15.5q-33 0 -60.5 4.5t-48.5 10.5t-35.5 12t-21.5 10l17 58q6 -4 20 -10t33.5 -11.5t44 -9.5t53.5 -4z" />
      <glyph glyph-name="four" unicode="4" horiz-adv-x="564" d="M50 228q18 48 50.5 108t73.5 123t89 123.5t97 110.5h68v-452h86v-53h-86v-188h-64v188h-314v40zM364 241v379q-35 -36 -71 -83t-68.5 -97.5t-60.5 -101.5t-47 -97h247z" />
      <glyph glyph-name="five" unicode="5" horiz-adv-x="564" d="M239 45q50 0 83.5 11.5t53.5 31.5t28.5 46.5t8.5 57.5q0 40 -13 72t-46 54t-89 33.5t-142 11.5q6 51 10 93.5t7 82t4.5 77t2.5 77.5h312v-57h-255q-1 -19 -3 -49t-4 -61.5t-5 -60.5t-5 -46q77 -2 133 -19t92 -46t53.5 -70t17.5 -91q0 -44 -14.5 -82t-44.5 -66t-76 -44
t-109 -16q-32 0 -59.5 4.5t-49 10.5t-36.5 12t-22 10l17 58q6 -4 20.5 -10t34 -11.5t44 -9.5t51.5 -4z" />
      <glyph glyph-name="six" unicode="6" horiz-adv-x="564" d="M77 275q0 203 97.5 308t283.5 113l4 -55q-61 -4 -112.5 -18.5t-91.5 -45t-67 -78.5t-37 -118q27 14 65 24.5t81 10.5q56 0 95 -17.5t63 -46.5t35 -67t11 -80q0 -39 -12 -78t-37.5 -70.5t-64 -51.5t-91.5 -20q-109 0 -165.5 76.5t-56.5 213.5zM294 359q-46 0 -80.5 -10.5
t-64.5 -24.5q-2 -17 -2 -26.5v-23.5q0 -47 6.5 -89t24 -74t46.5 -50.5t74 -18.5q37 0 63 13.5t42 35.5t23.5 51t7.5 61q0 80 -35.5 118t-104.5 38z" />
      <glyph glyph-name="seven" unicode="7" horiz-adv-x="564" d="M175 0q6 83 30.5 176t60 180t77 160t80.5 117h-354v60h421v-58q-34 -41 -74.5 -109.5t-76.5 -154t-62.5 -181.5t-32.5 -190h-69z" />
      <glyph glyph-name="eight" unicode="8" horiz-adv-x="564" d="M282 -15q-49 0 -88.5 14t-68 39.5t-44 60t-15.5 75.5q0 35 10 63.5t26.5 51t38 40t45.5 30.5q-61 30 -83 71t-22 89q0 43 15 78t41.5 59.5t63.5 38t81 13.5q52 0 90 -15.5t62.5 -40.5t36 -57t11.5 -66q0 -33 -10 -60.5t-26 -50t-36 -39.5t-39 -29q70 -30 98.5 -75
t28.5 -95q0 -43 -15.5 -79t-43.5 -61.5t-68 -40t-89 -14.5zM429 174q0 43 -16.5 70t-43 44t-60 27t-67.5 21q-51 -24 -79 -64.5t-28 -97.5q0 -28 9 -52t27.5 -42t46 -28.5t64.5 -10.5t64.5 10.5t46 28.5t27.5 42t9 52zM149 526q0 -28 6.5 -51t24.5 -41.5t50 -34t84 -29.5
q46 26 73 64t27 95q0 23 -7.5 45t-23 39.5t-40.5 28t-61 10.5q-33 0 -58 -10t-41.5 -27.5t-25 -40.5t-8.5 -48z" />
      <glyph glyph-name="nine" unicode="9" horiz-adv-x="564" d="M490 418q0 -209 -100 -314.5t-292 -105.5l-2 54q66 0 121 15t95.5 46.5t66 81t34.5 119.5q-27 -14 -65 -24.5t-81 -10.5q-56 0 -95 17.5t-63 46.5t-35 67t-11 79q0 38 12 77t37.5 70.5t64 51.5t91.5 20q109 0 165.5 -76.5t56.5 -213.5zM273 336q46 0 80.5 10.5t64.5 24.5
q1 12 1.5 23t0.5 25q0 47 -6.5 89t-24 74t-46.5 50.5t-74 18.5q-37 0 -63 -13.5t-42 -35.5t-23.5 -51t-7.5 -60q0 -79 35.5 -117t104.5 -38z" />
      <glyph glyph-name="colon" unicode=":" horiz-adv-x="246" d="M178 43q0 -23 -14.5 -39t-40.5 -16t-40.5 16t-14.5 39t14.5 39t40.5 16t40.5 -16t14.5 -39zM178 462q0 -23 -14.5 -39t-40.5 -16t-40.5 16t-14.5 39t14.5 39t40.5 16t40.5 -16t14.5 -39z" />
    </font>
  </svg>
              
            
!

CSS

              
                
    body{ background-color: #000; }
    svg{ display: none; }
    #clock{
      position: absolute;
      top: 50%;
      left: 50%;
      -webkit-transform: scale(1,-1) translate(-50%, 50%);
      -moz-transform: scale(1,-1) translate(-50%, 50%);
      -ms-transform: scale(1,-1) translate(-50%, 50%);
      -o-transform: scale(1,-1) translate(-50%, 50%);
      transform: scale(1,-1) translate(-50%, 50%);
    }
    .section{
      position: relative;
      float: left;
      width: 110px;
      height: 150px;
    }
    .section:nth-child(3),
    .section:nth-child(6){
      width: 40px;
    }
    .particle{
      position: absolute;
      border-radius: 100%;
      background-color: #FFF;
      box-shadow: 0px 0px 3px #FFF;
      -webkit-transition: all .5s ease-in-out ;
      -moz-transition: all .5s ease-in-out ;
      -ms-transition: all .5s ease-in-out ;
      -o-transition: all .5s ease-in-out ;
      transition: all .5s ease-in-out ;
    }
              
            
!

JS

              
                // Init path object
var p = document.createElementNS('http://www.w3.org/2000/svg','path');
var fragment = document.createDocumentFragment();

// particles variables
var particleMinRadius = 2,
    particleMaxRadius = 4,
    fontRatio = 200,
    numParticles = 60,
    particles = new Array(),
    letters,
    path,
    section,
    currentdate;

function timeUpdate(){
currentdate = new Date();
var text = ("0" + currentdate.getHours()).slice(-2) + ':' + ("0" + currentdate.getMinutes()).slice(-2) + ':' + ("0" + currentdate.getSeconds()).slice(-2);

var textArray = text.split('');
  
  // Parse each letter of the text to get its path
  for(var c = 0, l = textArray.length; c < l; c++){    
    
    // skip if it's the same letter
    if(letters && letters[c] && letters[c] == textArray[c]) continue;
    
    letter = textArray[c];
    // create the initial path
    path = document.querySelector("glyph[unicode='"+textArray[c]+"']").getAttribute("d");
    p.setAttribute('d', path);   

    if(!particles[c]){
      particles[c] = new Array();
      section = document.createElement('div');
      section.className = 'section';
      fragment.appendChild( section );
    }

    var len = p.getTotalLength();

    for (var i = 0;  i <= numParticles; ++i){
      
      var pct = i/numParticles + Math.random()/100,
          pt = p.getPointAtLength(pct*len),
          particle;
      if(particles[c][i]){
        particle = particles[c][i];
      }else{
        particle = document.createElement('div');
        particle.className = 'particle';
        particles[c][i] = particle;
        section.appendChild( particle );   
      } 
      
      var posX = Math.round((pt.x / 1000) * fontRatio);
      var posY = Math.round((pt.y / 1000) * fontRatio);
//      particle.style.left = posX + 'px';    
//      particle.style.top =  posY + 'px';    
      var prop = "translate("+posX+"px, "+posY+"px)";
      particle.style.webkitTransform = prop;
      particle.style.MozTransform = prop;
      particle.style.msTransform = prop;
      particle.style.OTransform = prop;
      particle.style.transform = prop;
      
      var particleRadius = particleMinRadius + ( Math.random() * (particleMaxRadius - particleMinRadius));
      particle.style.width = particle.style.height =  particleRadius + 'px';
    }
  }
  letters = textArray;
  
}
var clock = document.getElementById('clock');
timeUpdate();
clock.appendChild( fragment );
setInterval(timeUpdate, 1000);
              
            
!
999px

Console