d3.time.format.utc = function(template) {

  var local = d3.time.format(template);

  function format(date) {

    try {

      d3_time = d3_time_format_utc;

      var utc = new d3_time();

      utc._ = date;

      return local(utc);

    } finally {

      d3_time = Date;

    }

  }

  format.parse = function(string) {

    try {

      d3_time = d3_time_format_utc;

      var date = local.parse(string);

      return date && date._;

    } finally {

      d3_time = Date;

    }

  };

  format.toString = local.toString;

  return format;

};

function d3_time_format_utc() {

  this._ = new Date(Date.UTC.apply(this, arguments));

}

d3_time_format_utc.prototype = {

  getDate: function() { return this._.getUTCDate(); },

  getDay: function() { return this._.getUTCDay(); },

  getFullYear: function() { return this._.getUTCFullYear(); },

  getHours: function() { return this._.getUTCHours(); },

  getMilliseconds: function() { return this._.getUTCMilliseconds(); },

  getMinutes: function() { return this._.getUTCMinutes(); },

  getMonth: function() { return this._.getUTCMonth(); },

  getSeconds: function() { return this._.getUTCSeconds(); },

  getTimezoneOffset: function() { return 0; },

  valueOf: function() { return this._.getTime(); },

  setDate: function(x) { this._.setUTCDate(x); },

  setDay: function(x) { this._.setUTCDay(x); },

  setFullYear: function(x) { this._.setUTCFullYear(x); },

  setHours: function(x) { this._.setUTCHours(x); },

  setMilliseconds: function(x) { this._.setUTCMilliseconds(x); },

  setMinutes: function(x) { this._.setUTCMinutes(x); },

  setMonth: function(x) { this._.setUTCMonth(x); },

  setSeconds: function(x) { this._.setUTCSeconds(x); }

};