aknosis

//Fill in the blanks :)
var map = new google.maps.Map(),
  tileListener = google.maps.event.addListener(map,'tilesloaded',fixMyPageOnce);

function fixMyPageOnce(){
  //immediately remove the listener (or this thing fires for every tile that gets loaded, which is a lot when you start to pan)
  google.maps.event.removeListener(tileListener);
}

aknosis

{#
 time can be any string acceptable by http://www.php.net/strtotime, the
 template will output that time's month.

 If you don't want to pass in a date you can set time like this:
 {% set time = "now"|date("U") %}
 {% set time = "December 2012"|date("U") %}

 How ever you want to output items onto the calendar is a different issue,
 but I'd assume pushing everything into an array numerically indexed by that day: