`npm i express underscore superagent && node test.js`

test.js

var express = require('express'),
    _ = require('underscore'),
    request = require('superagent'),
    app = express(),
    server = require('http').createServer(app);

app.set('port', 5555);
app.use(express.json());
app.use(express.urlencoded());

var defaultHours = {
  sunday: {
    open: 0,
    close: 0
  },
  monday: {
    open: 0,
    close: 0
  },
  tuesday: {
    open: 0,
    close: 0
  },
  wednesday: {
    open: 0,
    close: 0
  },
  thursday: {
    open: 0,
    close: 0
  },
  friday: {
    open: 0,
    close: 0
  },
  saturday: {
    open: 0,
    close: 0
  }
};

app.all('/test', function (req, res) {
  return res.send(_.isEqual(defaultHours, req.body));
});

app.listen(app.get('port'));

var newHours = {
  saturday: {
    close: 0,
    open: 0
  },
  friday: {
    close: 0,
    open: 0
  },
  thursday: {
    close: 0,
    open: 0
  },
  wednesday: {
    close: 0,
    open: 0
  },
  tuesday: {
    close: 0,
    open: 0
  },
  monday: {
    close: 0,
    open: 0
  },
  sunday: {
    close: 0,
    open: 0
  }
};

request
  .post('http://localhost:5555/test')
  .send(newHours)
  .set('Accept', 'application/json')
  .end(function(error, res){
    if (error) return console.log(error);
    if (res) return console.log(res.body);
  });

returns true