fullcalendar/locales/es-us.js

FullCalendar.globalLocales.push(function () {
  'use strict';

  var esUs = {
    code: 'es',
    week: {
      dow: 0, // Sunday is the first day of the week.
      doy: 6, // The week that contains Jan 1st is the first week of the year.
    },
    buttonText: {
      prev: 'Ant',
      next: 'Sig',
      today: 'Hoy',
      month: 'Mes',
      week: 'Semana',
      day: 'Día',
      list: 'Agenda',
    },
    weekText: 'Sm',
    allDayText: 'Todo el día',
    moreLinkText: 'más',
    noEventsText: 'No hay eventos para mostrar',
  };

  return esUs;

}());