[Avodah] Tefillin on Rosh Chodesh

[Zev Sero]

Arie Folger wrote:
> Ancient minhag 
> Ashkenaz (as currently practiced by very few people) was to keep tefillin on 
> until the end. (minhag quoted in, for example, minhagut Wormaize)
> 
> Instead, the question is, when did the idea of not wearing tefillin during 
> mussaf on RC start. I have a feeling (but that is currently only a 
> speculation) that it isn't more than 400-700 years old.

AFAIK the only reason that is actually brought in Achronim is that of
keter, which applies only to places that say it.  The SA says to remove
the tefilin, because the SA assumes keter is said.  The Rema says that
nevertheless the minhag is to remove them even when keter is not said,
but doesn't give a reason, and the Taz says that he doesn't see why,
and recommends leaving them on.

The reason for taking them off in shuls where keter is said is obvious.
When crowning a king, it's inappropriate for us to be wearing our crowns.
And what I have seen done (and I may have also seen inside but can't
recall exactly where) is that if someone is still wearing tefilin while
the minyan is up to musaf, then when the chazan gets to keter he
removes his shel rosh, or at least covers it up.


-- 
Zev Sero               Something has gone seriously awry with this Court's
zev at sero.name          interpretation of the Constitution.
                       	                          - Clarence Thomas