[Avodah] nidche

[Simon Montagu]

On Tue, Apr 17, 2012 at 9:21 PM,  <Saul.Z.Newman at kp.org> wrote:
>
> http://lifeinisrael.blogspot.com/2012/04/rav-rosen-argues-against-changing.html
>
> i am not  sure  what  'classical' sources/gdolim  would  have  to say about
>  this  issue,  since  mistama  they  would  not  hold  by any   either 5
> iyar or  28 iyar  as  being anything  other than tachanun days.    but
>  maybe the gdolim of the DL/RZ  world  will chime in .   eg  if  israel
> celbrates on a day other than 5 iyar,  should  those who say hallel  follow
>  israel, or the day of  the original perceived nes?

How is the issue of the date different from when the 9th Av is Shabbat
and we observe it on the 10th?

Furthermore, is 5 Iyar 5708 really perceived as the occasion of a nes,
and 4 or 6 Iyar  as nes-free? Surely that whole period was full of
moftim bashamayim uva'aretz, dam va'esh vetimerot ashan.