Remind myself of the events scheduled tomorrow in my Google Calendar. The notification will come to my Gmail.

RemindMyGoogleCalendar.js

const DRY_RUN = false;

function getEventsForTomorrow() {
  const timeZone = Session.getScriptTimeZone();
  let tomorrow = new Date();
  tomorrow.setDate(tomorrow.getDate() + 1); // get date for tomorrow
  const tomorrowStr = Utilities.formatDate(tomorrow, timeZone, 'yyyy-MM-dd');

  // Get the events
  const calendars = CalendarApp.getAllCalendars(); // get all calendars that the user owns or is subscribed to
  const tomorrowEvents = [];
  calendars.forEach((calendar) => {
    let events = calendar.getEventsForDay(tomorrow); // get all events for tomorrow
    events.forEach((event) => {
      const eventStartDateTime = Utilities.formatDate(event.getStartTime(), timeZone, 'yyyy-MM-dd HH:mm');
      const eventEndDateTime = Utilities.formatDate(event.getEndTime(), timeZone, 'yyyy-MM-dd HH:mm');
      const eventStartTime = eventStartDateTime.slice(0, 10) === tomorrowStr
        ? eventStartDateTime.slice(11)
        : eventStartDateTime;
      const eventEndTime = eventEndDateTime.slice(0, 10) === tomorrowStr
        ? eventEndDateTime.slice(11)
        : eventEndDateTime;
      const eventObj = {
        isAllDay: event.isAllDayEvent(),
        start: eventStartTime,
        end: eventEndTime,
        title: event.getTitle()
      }
      // console.log(JSON.stringify(eventObj)); // log events
      tomorrowEvents.push(eventObj);
    });
  });

  // Sort the events
  // console.log(JSON.stringify(tomorrowEvents)); // log
  const tomorrowEventsSorted = tomorrowEvents.sort((a, b) => {
    if (a.start > b.start) {
      // Sort by start date & time ascending
      return 1;
    } else if (a.start < b.start) {
      return -1;
    } else {
      // If the start time is the same, sort by end time ascending
      if (a.end > b.end) {
        return 1;
      } else if (a.end < b.end) {
        return -1;
      } else {
        return 0;
      }
    }
  });
  // console.log(JSON.stringify(tomorrowEventsSorted)); // log

  // Send email to myself to remind the events
  const mailTo = Session.getActiveUser().getEmail();
  const mailSubject = 'Tomorrow\'s Events';
  const mailBody = `Your schedule for tomorrow:\n\n${tomorrowEventsSorted.map((eventObj) => `${eventObj.start} - ${eventObj.end}: ${eventObj.title}`).join('\n')}\n\n---\nThis reminder is sent automatically by the following script file:\nhttps://script.google.com/home/projects/${ScriptApp.getScriptId()}/edit`;
  if (!DRY_RUN) {
    MailApp.sendEmail(
      mailTo,
      mailSubject,
      mailBody
    )
  } else {
    console.log(mailTo, mailSubject, mailBody);
  }
}