saas-one/frontend/operation-web/ext/modern/locale/overrides/pt_BR/ext-locale-pt_BR.js

/**
 * Portuguese/Brazil Translation by Weber Souza
 * 08 April 2007
 * Updated by Allan Brazute Alves (EthraZa)
 * 06 September 2007
 * Updated by Leonardo Lima
 * 05 March 2008
 * Updated by Juliano Tarini (jtarini)
 * 22 April 2008
 * Update by Guilherme Portela
 * 04 May 2015
 */
Ext.onReady(function() {

    if (Ext.Date) {
        Ext.Date.monthNames = ["Janeiro", "Fevereiro", "Março", "Abril", "Maio", "Junho", "Julho", "Agosto", "Setembro", "Outubro", "Novembro", "Dezembro"];

        Ext.Date.defaultFormat = 'd/m/Y';
        Ext.Date.defaultTimeFormat = 'H:i';
        
        Ext.Date.getShortMonthName = function(month) {
            return Ext.Date.monthNames[month].substring(0, 3);
        };

        Ext.Date.monthNumbers = {
            Jan: 0,
            Fev: 1,
            Mar: 2,
            Abr: 3,
            Mai: 4,
            Jun: 5,
            Jul: 6,
            Ago: 7,
            Set: 8,
            Out: 9,
            Nov: 10,
            Dez: 11
        };

        Ext.Date.getMonthNumber = function(name) {
            return Ext.Date.monthNumbers[name.substring(0, 1).toUpperCase() + name.substring(1, 3).toLowerCase()];
        };

        Ext.Date.dayNames = ["Domingo", "Segunda", "Terça", "Quarta", "Quinta", "Sexta", "Sábado"];
    }

    if (Ext.util && Ext.util.Format) {
        Ext.apply(Ext.util.Format, {
            thousandSeparator: '.',
            decimalSeparator: ',',
            currencySign: 'R$',
            // Brazilian Real
            dateFormat: 'd/m/Y'
        });
        Ext.util.Format.brMoney = Ext.util.Format.currency;
    }
});