With Sendible reminders, you can import all your friends birthdays from Facebook and you’ll be sent a reminder via email on the morning of your friend’s birthday.

Take a look here:

Facebook Birthday Reminder

To configure your birthday reminders, simply join Sendible here:

http://www.sendible.com/join

Once you’ve signed up, visit the My Alerts menu and click on the Birthdays option. Sendible will fetch all your contacts from Facebook and will add their birthdays to your Sendible calendar.  Sendible will automatically email you a reminder when it’s your friend’s birthday! All for free. You can then use Sendible to send your friend a birthday greeting using Email, SMS or even Facebook.