Subscribe to your LGL calendar
If you use Microsoft Outlook, Google Calendar, Apple's iCal, or another calendaring program that supports the iCalendar standard, you can subscribe to your LGL calendar and see your todos and other LGL activities.
Apple iCal and Microsoft Outlook
Click on the calendar icon and if you are using Apple iCal on a Mac or Microsoft Outlook on Windows, you will be prompted to add the calendar to your list of subscribed calendars.

Google Calendar
Adding the calendar to Google Calendar requires a bit more manual effort. First, right click on the calendar icon and copy the link/URL:

Then, log in to your Google Calendar account, and click use the Add by URL method for adding a calendar to your Other Calendars


Other calendar programs
The iCalander standard is supported by many calendar programs. Setup in those programs is likely to be similar to the Google Calendar setup described above.