var d3_time_scaleUTCMethods = [
  [d3.time.seconds.utc, 1],
  [d3.time.seconds.utc, 5],
  [d3.time.seconds.utc, 15],
  [d3.time.seconds.utc, 30],
  [d3.time.minutes.utc, 1],
  [d3.time.minutes.utc, 5],
  [d3.time.minutes.utc, 15],
  [d3.time.minutes.utc, 30],
  [d3.time.hours.utc, 1],
  [d3.time.hours.utc, 3],
  [d3.time.hours.utc, 6],
  [d3.time.hours.utc, 12],
  [d3.time.days.utc, 1],
  [d3.time.days.utc, 2],
  [d3.time.weeks.utc, 1],
  [d3.time.months.utc, 1],
  [d3.time.months.utc, 3],
  [d3.time.years.utc, 1]
];

var d3_time_scaleUTCFormats = [
  [d3.time.format.utc("%Y"), function(d) { return true; }],
  [d3.time.format.utc("%B"), function(d) { return d.getUTCMonth(); }],
  [d3.time.format.utc("%b %d"), function(d) { return d.getUTCDate() != 1; }],
  [d3.time.format.utc("%a %d"), function(d) { return d.getUTCDay() && d.getUTCDate() != 1; }],
  [d3.time.format.utc("%I %p"), function(d) { return d.getUTCHours(); }],
  [d3.time.format.utc("%I:%M"), function(d) { return d.getUTCMinutes(); }],
  [d3.time.format.utc(":%S"), function(d) { return d.getUTCSeconds() || d.getUTCMilliseconds(); }]
];

var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);

d3.time.scale.utc = function() {
  return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
};