app/assets/javascripts/components/datetime_picker.coffee
format = 'M/D/YYYY h:mma'
$ ->
$('input.datetime_picker').each ->
$input = $(@)
$hiddenInput = $("<input type='hidden' name=\"#{$input.attr('name')}\" />")
$hiddenInput.insertAfter($input)
$input.attr('name', null)
rome(
@,
inputFormat: format,
timeFormat: "h:mma",
timeInterval: 3600 # hour
initialValue: new Date($input.val())
).on 'data', ->
$hiddenInput.val moment($input.val(), format).toDate()