public static void resetTime(UTCDate date) {
        date.setHours(0);
        date.setMinutes(0);
        date.setSeconds(0);
        date.setMilliseconds(0);
    }
Resets the date to have no time modifiers. Note that the hour might not be zero if the time
hits a DST transition date.

@param date the date
stroom-core-client-widget/src/main/java/stroom/widget/datepicker/client/CalendarUtil.java