Avani Avittam Yajur Upakarma 2007

Avani avittam [Yajur upkarma 2007] falls on Aug 28 2007 and Aug 29 is Gayathri japam.
Visit here for details updated in 2005 and here for 2006.

For 2007, i found the mantras at Vadhyar.com. You can refer to this to perform the annual duty.

If you find better sites or resources, kindly let me know through the comments of this post.