How to sign up
If you have a Google Account, just visit the Google Calendar homepage, enter your Google Account email and password, and click Sign in. That's it!
If you don't yet have an account with us, just visit the Google Calendar homepage and click Create an account. Once you've completed the process, just sign in to Google Calendar using your new account.
Visit https://support.google.com/calendar/answer/37005?hl=en for more info.