ThunderBirthDay is an extension that displays birthdays from the Thunderbird address books as events in Lightning. Install Lightning, MoreColsForAddressBook and ThunderBirthDay, and then create a new local calendar choosing ThunderBirthDay as provider.
What's new in version 0.8
Version 0.8 added Finnish locales and updated compatibility information for Seamonkey 2.5 and Thunderbird 8.0.
ReleaseOctober 21, 2011
Date AddedOctober 9, 2011
Operating SystemsWindows 2003, Windows Vista, Windows, Windows Server 2008, Windows 7, Windows XP
Additional RequirementsSeaMonkey 2.0 - 2.5. and Thunderbird 3.0a1pre - 8.0