This very festive time of year for Bahá'ís is one I enjoy very much, especially making little gifts for those I love, as well as sending out my yearly (almost) family newsletter to catch up with all those who sent theirs to me in December. For a bit more info on the Intercalary Days:

Ayyám-i-Há is coming!
This is the season for parties for many Bahá'ís, prior to the Fasting month
http://www.bellaonline.com/articles/art45009.asp

Is Ayyám-i-Há Bahá'í Christmas?
So what exactly is Ayyám-i-Há, and how is it different from Christmas?
http://www.bellaonline.com/articles/art55034.asp

or what to expect if you are invited to a party:
http://www.bellaonline.com/articles/art41693.asp

Cheryll Schuette
Bahá'í Site