             RRule.TH, RRule.FR, RRule.SA]
 
         options =
-            dtstart: start.toDate()
             freq: +@$('#rrule-freq').val()
             interval: +@$('#rrule-interval').val()
 

            when 'count'
                options.count = +@$('#rrule-count').val()
            when 'until'
                options.until = moment @$('#rrule-until').val(), @inputDateFormat
                    .toDate()

        new RRule options

            dayNames: locale._weekdays
            monthNames: locale._months
        @$('#rrule-help').html @getRRule().toText(window.t, language)
        return true
