12th August 2008 Tuesday:  Pavitraropana Ekadasi -fast from grains and beans. More chanting is preferred. More devotional service is preferred.
13th August 2008 Wednesday: Dvadasi -break the fast between 5:30 and 10:05 am

For ekadasi recipes, refer the classics: Yamuna Devi's Cook Book
or Adiraja's Cookbook