es.js

// moment.js locale configuration
// locale : spanish (es)
// author : Julio Napurí : https://github.com/julionc

(function (factory) {
    if (typeof define === 'function' && define.amd) {
        define(['moment'], factory); // AMD
    } else if (typeof exports === 'object') {
        module.exports = factory(require('../moment')); // Node
    } else {
        factory((typeof global !== 'undefined' ? global : this).moment); // node or other global
    }
}(function (moment) {
    var monthsShortDot = 'ene._feb._mar._abr._may._jun._jul._ago._sep._oct._nov._dic.'.split('_'),
        monthsShort = 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_');

    return moment.defineLocale('es', {
        months : 'enero_febrero_marzo_abril_mayo_junio_julio_agosto_septiembre_octubre_noviembre_diciembre'.split('_'),
        monthsShort : function (m, format) {
            if (/-MMM-/.test(format)) {
                return monthsShort[m.month()];
            } else {
                return monthsShortDot[m.month()];
            }
        },
        weekdays : 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
        weekdaysShort : 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
        weekdaysMin : 'Do_Lu_Ma_Mi_Ju_Vi_Sá'.split('_'),
        longDateFormat : {
            LT : 'H:mm',
            LTS : 'LT:ss',
            L : 'DD/MM/YYYY',
            LL : 'D [de] MMMM [de] YYYY',
            LLL : 'D [de] MMMM [de] YYYY LT',
            LLLL : 'dddd, D [de] MMMM [de] YYYY LT'
        },
        calendar : {
            sameDay : function () {
                return '[hoy a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
            },
            nextDay : function () {
                return '[mañana a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
            },
            nextWeek : function () {
                return 'dddd [a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
            },
            lastDay : function () {
                return '[ayer a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
            },
            lastWeek : function () {
                return '[el] dddd [pasado a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
            },
            sameElse : 'L'
        },
        relativeTime : {
            future : 'en %s',
            past : 'hace %s',
            s : 'unos segundos',
            m : 'un minuto',
            mm : '%d minutos',
            h : 'una hora',
            hh : '%d horas',
            d : 'un día',
            dd : '%d días',
            M : 'un mes',
            MM : '%d meses',
            y : 'un año',
            yy : '%d años'
        },
        ordinalParse : /\d{1,2}º/,
        ordinal : '%dº',
        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.
        }
    });
}));