====== Google Form-to-Calendar Sync ======

Go to form.google.com

Create a form with these questions:
  * Event Title
  *  Event Start Date and Time
  *  Event End Date and Time
  *  Event Location
  *  Event Description
  *  Add Guest


Once done, go to Responses then click "View responses in sheets"

Rename title of the sheets

Go to tool>Script Editor

Resources > Libraries

Include moment.js

Here's the key: MHMchiX6c1bwSqGM1PZiW_PxhMjh3Sh48

Type this code.
===== Code =====

   var moment = Moment.load();
   var GLOBAL = {
  //the id of the form we will use to create calendar events 
  formId : "14WoTH-2Uq3tpqPpd2Z19S7OQjOyurri7GaVPsKZRg3w",  
  //the id of the calendar we will create events on
  calendarId : "c7o2tni40kbp29of5902j2oabs@group.calendar.google.com",
  //a mapping of form item titles to sections of the calendar event
  formMap : {
    eventTitle: "Event Title",
    startTime : "Event Date and Start Time",
    endTime: "Event End Time",
    description: "Event Description",
    location: "Event Location",
    email: "Add Guests",
    
   },
   }
  function onFormSubmit() {
  var eventObject = getFormResponse();
  var event = createCalendarEvent(eventObject);
  }
  function getFormResponse() {
  // Get a form object by opening the form using the
  // form id stored in the GLOBAL variable object
  var form = FormApp.openById(GLOBAL.formId),
      //Get all responses from the form. 
      //This method returns an array of form responses
      responses = form.getResponses(),
      //find the length of the responses array
      length = responses.length,
      //find the index of the most recent form response
      //since arrays are zero indexed, the last response 
      //is the total number of responses minus one
      lastResponse = responses[length-1],
      //get an array of responses to every question item 
      //within the form for which the respondent provided an answer
      itemResponses = lastResponse.getItemResponses(),
      //create an empty object to store data from the last 
      //form response
      //that will be used to create a calendar event
      eventObject = {};
     //Loop through each item response in the item response array
     for (var i = 0, x = itemResponses.length; i<x; i++) {
     //Get the title of the form item being iterated on
     var thisItem = itemResponses[i].getItem().getTitle(),
        //get the submitted response to the form item being
        //iterated on
        thisResponse = itemResponses[i].getResponse();
    //based on the form question title, map the response of the 
    //item being iterated on into our eventObject variable
    //use the GLOBAL variable formMap sub object to match 
    //form question titles to property keys in the event object
    switch (thisItem) {
      case GLOBAL.formMap.eventTitle:
        eventObject.title = thisResponse;
        break;
      case GLOBAL.formMap.startTime:
        eventObject.startTime = thisResponse;
        break;
      case GLOBAL.formMap.endTime:
        eventObject.endTime = thisResponse;
        break; 
      case GLOBAL.formMap.description:
        eventObject.description = thisResponse;
        break;
      case GLOBAL.formMap.location:
        eventObject.location = thisResponse;
        break;
      case GLOBAL.formMap.email:
        eventObject.email = thisResponse;
        break;
      }
    }
  debugger;
  return eventObject;
  }
   function createCalendarEvent(eventObject) {
  //Get a calendar object by opening the calendar using the
  //calendar id stored in the GLOBAL variable object
  var calendar = CalendarApp.getCalendarById(GLOBAL.calendarId),
      //The title for the event that will be created
      title = eventObject.title,
      //The start time and date of the event that will be created
      startTime = moment(eventObject.startTime).toDate(),
      //The end time and date of the event that will be created
      endTime = moment(eventObject.endTime).toDate();
    //an options object containing the description and guest list
    //for the event that will be created
    var options = {
    description : eventObject.description,
    guests : eventObject.email,
    location: eventObject.location,
    };
  try {
    //create a calendar event with given title, start time,
    //end time, and description and guests stored in an 
    //options argument
    var event = calendar.createEvent(title, startTime, endTime, options)
    } catch (e) {
      //delete the guest property from the options variable, 
      //as an invalid email address with cause this method to 
      //throw an error.
      delete options.guests
      //create the event without including the guest
      var event = calendar.createEvent(title, startTime, endTime, options)
      }
    return event;   
  }

For formId, copy the code in form url

For the calendarId, create a new calendar then go to Settings > Interate Calendar, you will see the Calendar ID there.