getTimestamp for firestore

timestamp.js

    getTimeStamp() {
        const now = new Date();
        now.setUTCHours(now.getUTCHours() + 2);
        const date =
            now.getUTCFullYear() +
            '/' +
            (now.getUTCMonth() + 1) +
            '/' +
            now.getUTCDate();
        const time =
            now.getUTCHours() +
            ':' +
            now.getUTCMinutes() +
            ':' +
            now.getUTCSeconds();

        return date + ' ' + time;
    }