Keep up-to-date by subscribing to the calendar:

• Google Apps: click the "Google Calendar" button in the bottom-right corner of the web calendar.
• Outlook 2007: open Outlook 2007. On the Tools menu, click Account Settings. On the Internet Calendars tab, click New. Paste this iCal link and click Add.
• iCal: open iCal. Create a new calendar. Control-click the new calendar and select "subscribe". Paste this iCal link and click Subscribe.
• Other calendars may let you use this iCal link or this RSS feed.