Tech tips site MakeUseOf.com runs down some of the most useful keyboard shortcuts available in Google Calendar, like: C to compose a new event Q to quick add a new event J and K to move backwards and forwards through time (like Gmail and Google Reader) D for Day view, W for weekly view, and M for monthly view.
You a hardcore GCal keyboard user? What are your favourite keystrokes? Tell us in the comments. The Essential Keyboard Shortcuts to Tame your Google Calendar [MakeUseOf.com]