While Google's Calendar app has a number of known features that ease the pain of planning--integration with other calendars, mobile accessibility and schedule sharing, for example--there are a handful of other useful tools and tricks you may not know about. Read on to find out how these features can help you cut down on planning time and increase your productivity.

Keyboard shortcuts can be a great time-saver if you know the right moves. Much like , Google Calendar has its own set designed to help you fly through scheduling appointments, viewing your meetings and managing your events.

To view the full list of keyboard shortcuts, open your Google Calendar and hit Ctrl + ?. Below are six shortcuts you're likely to use the most.

Create an event: Hit "c"