Seven reasons to use Google Calendar
Share your schedule - Scheduling is easy if you know when everyone is free or busy. Let your co-workers, family, and friends see your calendar, and view schedules that others have shared with you. Learn how to share your calendar.
Get your calendar on the go - Access your calendar when you're away from your desk with two-way syncing to your phone or tablet. You can use a mobile version of Google Calendar made for small screens or a calendar built in to your phone. Learn how to sync your calendar with a mobile device.
Never forget another event - Stay on schedule using reminders. You can choose to be notified by email or receive text messages directly to your mobile phone. Learn about reminders and notifications.
Send invitations and track RSVPs - Invite other people to events. Guests can RSVP to your events by email or via Google Calendar. Learn how to invite guests to your event.
Sync with your desktop applications - If you use Apple iCal or Mozilla Sunbird, you can sync Google Calendar with these desktop applications.
Work offline - Know where you’re supposed to be even when you don’t have Internet access. With offline access, you can check your calendar wherever you are.
Best of all, IT'S FREE!!!
Check out Anson Alexander's fantastic 5-part tutorial on Google Calendar at AnsonAlex.com