Just for a reminder...
Hemm... for this year, 10th Muharram falls on 6th December. you guys can check this link about Ashoora. (http://arustajdid.blogspot.com/2010/12/aashooraa-1432-2010-whats-best-thing-to.html)
We can fast on 9th and 10th or 10th and 11th of Muharram. You can check online about the history of these date but make sure that it from the good and reliable source!
best of luck..
~peace~
