Time of Day Routing

// Description
// Time of Day Routing
// Useful for IVR logic, for Example in Studio, to determine which path to route to
// Add moment-timezone 0.5.31 as a dependency under Functions Settings, Dependencies

const moment = require('moment-timezone');

exports.handler = function (context, event, callback) {
  let twiml = new Twilio.twiml.VoiceResponse();

  function businessHours() {
    // My timezone East Coast (other choices: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones)
    const now = moment().tz('America/New_York');

    // Weekday Check using moment().isoWeekday()
    // Monday = 1, Tuesday = 2 ... Sunday = 7
    if (
      now.isoWeekday() <= 5 /* Check for Normal Work Week Monday - Friday */
    ) {
      //Work Hours Check, 9 am to 5pm (17:00 24 hour Time)
      if (now.hour() >= 9 && now.hour() < 17 /* 24h basis */) {
        return true;
      }
    }

    // Outside of business hours, return false
    return false;
  }

  const isOpen = businessHours();
  if (isOpen) {
    twiml.say('Business is Open');
  } else {
    twiml.say('Business is Closed');
  }
  return callback(null, twiml);
};