During every Shemoneh Esrei of mussaf, we pray that the Beis Hamikdash be rebuilt. However, only on Yom Tov do we mention that it was destroyed due to our sins - ומפני חטאינו. On Shabbos, and on Rosh ...
If someone by mistake didn't say atah y'ztarteh (the special tefillah we say by musaf on Shabbos that is also rosh chodesh) and instead davened a regular musaf on shabbos rosh chdoesh, what's the din ...
Mishne Torah in Hilchos Temidin uMusafin 6:9 brings the following halacha: במוספי שבת, אומרין שירת "האזינו" (דברים לב,א), וחולקין אותה לשישה פרקים ה'ז'י'ו' ל'ך', כדרך שקוראין אותה שישה בבית הכנסת; ...
נֻסח 'ספרד' says "אין כאלקינו" every day. On weekdays, it includes several paragraphs describing the makeup of the קטרת, followed by several פסוקים. On שבת, the description of the קטרת is cut ...
[Edit: According to Nusach Edot HamMizrach,] why does the Mussaf prayer on Shabbat and Rosh Chodesh include a description of the actual mussaf sacrifice, while the Mussaf prayer on Moed does not? Why ...
Why does the Shabbat Rosh Chodesh Musaf have its own special text (Ata Yatzarta Olamecha Mikedem ...) for the middle beracha?