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    <h3>Editing: cy.js</h3>
    <textarea name="content" rows="20" cols="80">//! moment.js locale configuration
//! locale : Welsh (cy)
//! author : Robert Allen

import moment from '../moment';

export default moment.defineLocale('cy', {
    months: 'Ionawr_Chwefror_Mawrth_Ebrill_Mai_Mehefin_Gorffennaf_Awst_Medi_Hydref_Tachwedd_Rhagfyr'.split('_'),
    monthsShort: 'Ion_Chwe_Maw_Ebr_Mai_Meh_Gor_Aws_Med_Hyd_Tach_Rhag'.split('_'),
    weekdays: 'Dydd Sul_Dydd Llun_Dydd Mawrth_Dydd Mercher_Dydd Iau_Dydd Gwener_Dydd Sadwrn'.split('_'),
    weekdaysShort: 'Sul_Llun_Maw_Mer_Iau_Gwe_Sad'.split('_'),
    weekdaysMin: 'Su_Ll_Ma_Me_Ia_Gw_Sa'.split('_'),
    weekdaysParseExact : true,
    // time formats are the same as en-gb
    longDateFormat: {
        LT: 'HH:mm',
        LTS : 'HH:mm:ss',
        L: 'DD/MM/YYYY',
        LL: 'D MMMM YYYY',
        LLL: 'D MMMM YYYY HH:mm',
        LLLL: 'dddd, D MMMM YYYY HH:mm'
    },
    calendar: {
        sameDay: '[Heddiw am] LT',
        nextDay: '[Yfory am] LT',
        nextWeek: 'dddd [am] LT',
        lastDay: '[Ddoe am] LT',
        lastWeek: 'dddd [diwethaf am] LT',
        sameElse: 'L'
    },
    relativeTime: {
        future: 'mewn %s',
        past: '%s yn ôl',
        s: 'ychydig eiliadau',
        m: 'munud',
        mm: '%d munud',
        h: 'awr',
        hh: '%d awr',
        d: 'diwrnod',
        dd: '%d diwrnod',
        M: 'mis',
        MM: '%d mis',
        y: 'blwyddyn',
        yy: '%d flynedd'
    },
    ordinalParse: /\d{1,2}(fed|ain|af|il|ydd|ed|eg)/,
    // traditional ordinal numbers above 31 are not commonly used in colloquial Welsh
    ordinal: function (number) {
        var b = number,
            output = '',
            lookup = [
                '', 'af', 'il', 'ydd', 'ydd', 'ed', 'ed', 'ed', 'fed', 'fed', 'fed', // 1af to 10fed
                'eg', 'fed', 'eg', 'eg', 'fed', 'eg', 'eg', 'fed', 'eg', 'fed' // 11eg to 20fed
            ];
        if (b &gt; 20) {
            if (b === 40 || b === 50 || b === 60 || b === 80 || b === 100) {
                output = 'fed'; // not 30ain, 70ain or 90ain
            } else {
                output = 'ain';
            }
        } else if (b &gt; 0) {
            output = lookup[b];
        }
        return number + output;
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

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