[Avodah] B'Leil Zeh

[Prof. Levine via Avodah]

Last night in the shul that I davened B'Leil Zeh was said with great 
fervor. However,  I am wondering if it should have been said at all.

B'Leil Zeh is referring to the night of the 9th of Av and the many 
things that occurred then.  Last night was, of course,  the night of 
the 10th of Av.  Does it really make sense to have said B'Leil 
Zeh  on the 10th of Av?

YL