Job.js

const cron = require('node-cron');
const User = require("./Signup/signup.model");
const moment = require("moment");

cron.schedule('* * * * *', async function (req, res, next) {
    let today_date = moment(new Date()).format("YYYY-MM-DD hh:mm");
    const find_users = await User.find()
    if (find_users) {
        for (let i = 0; i < find_users.length; i++) {
            let users = find_users[i];
            //format user date to same format as today date then compare
            let userDueDate = moment(users.next_payment_date).format("YYYY-MM-DD hh:mm");
            if (today_date === userDueDate) {
                let find_user = await User.findById(users._id);
                find_user.is_paid = false;
                find_user.save()
            }
        }
    }
})