Lucentminds Web Development

   1:  var is_dst = function(){

   2:      var now = new Date();

   3:      var dst_start = new Date();

   4:      var dst_end = new Date();

   5:      // Set dst start to 2AM 2nd Sunday of March

   6:      dst_start.setMonth( 2 ); // March

   7:      dst_start.setDate( 1 ); // 1st

   8:      dst_start.setHours( 2 );

   9:      dst_start.setMinutes( 0 );

  10:      dst_start.setSeconds( 0 ); // 2AM

  11:      // Need to be on first Sunday

  12:      if( dst_start.getDay() )

  13:          dst_start.setDate( dst_start.getDate() + ( 7 - dst_start.getDay() ) );

  14:   

  15:      // Set to second Sunday

  16:      dst_start.setDate( dst_start.getDate() + 7 );    

  17:      // Set dst end to 2AM 1st Sunday of November

  18:      dst_end.setMonth( 10 );

  19:      dst_end.setDate( 1 );

  20:      dst_end.setHours( 2 );

  21:      dst_end.setMinutes( 0 );

  22:      dst_end.setSeconds( 0 ); // 2AM

  23:      // Need to be on first Sunday

  24:      if( dst_end.getDay() )

  25:          dst_end.setDate( dst_end.getDate() + ( 7 - dst_end.getDay() ) );

  26:   

  27:      return ( now > dst_start && now < dst_end )

  28:  };// /is_dst()