Sukkah: We recite the Ushpizin (our Patriarch Yaakov leads the honored guests on the 3rd night). Kiddush of Shabbos, concluding with the blessing of Leishev basukkah.
Shabbos morning: Shacharis for Shabbos with inclusion of Ya’aleh VeYavo, whole Hallel – we do not take the lulav and esrog as it is Shabbos. At the conclusion of Hallel some congregations (Nusach Sefarad and some Ashkenaz) say Hoshanos – Om Netzora (we do not circle the Bimah as it is Shabbos) – Kaddish Tiskabbel. We read Koheles, preferably from a klaf , a scroll – but we do not make a beracha over this reading – followed by Mourner’s Kaddish. We remove two Sifrei Torah from the Ark. In the first scroll we call seven Aliyos and we read in Parashas Ki Tissa (Shemos 33:12-34:26) from “Re’eh ata omer” until “Lo sevashel ge’di bachalev immo. For Maftir we read Numbers 29:17-22, from “U’vayom Hasheni” until “Ve’nikah.” We read the Haftara, Ve’haya bayom hahu (Ezekiel 38:18-39:16).
We follow with Yekum Purkan, Ashrei. We return the Torah scrolls to the Ark and the chazzan says half-Kaddish.
Mussaf for Festivals with mention of Shabbos. We include mention of Shabbos in chazzan’s repetition of the Shemoneh Esreh as well as Hoshanos (see Shacharis – most Ashkenaz congregations say it at the conclusion of Mussaf) and conclude with Kaddish Tiskabbel, Ein KeElokeinu, Aleinu, Shir shel Yom, LeDavid Hashem Ori and their respective Kaddish recitations. Kiddush of Shabbos, we add Leishev basukkah. We wash for the Shabbos Seuda. Birkas HaMazon includes Retzeh and Ya’aleh VeYavo.
Mincha for Shabbos: Ashrei, U’va LeTziyyon, chazzan recites half-Kaddish – we remove a Torah scroll from the Ark(Va’yehi Binso’a). We call up three Aliyos and read Parashas Vezos HaBeracha (Deuteronomy 33:1-17). We return the scroll to the Ark and the chazzan recites half-Kaddish. All say the Shemoneh Esreh of Shabbos with Ya’aleh VeYavo, also in chazzan’s repetition. We do not say Tzidkas’cha and chazzan concludes with Kaddish Tiskabbel, Aleinu and finally the Mourner’s Kaddish. (As it is Shabbos, we wash for the Seuda Shelishis, which we eat in the sukkah. We include Retzeh and Ya’aleh VeYavo in Birkas Hamazon.
Maariv: As usual on Motza’ei Shabbos, we say Ata Chonantanu. We include Ya’aleh VeYavo. After Kaddish Tiskabbel (we do not say Vi’yehi No’am and Ve’ata Kadosh) we say Aleinu, LeDavid Hashem Ori and their respective Kaddish recitations. Havdala is in the sukkah, concluding with the blessing of Leishev basukkah.
Sunday morning, 2nd day of Chol Hamo’ed, Shacharis: some don tefillin and others do not, each according to his custom – but without a beracha – and yet others recite the blessing in a whisper (see Rema, Shulchan Aruch, Orach Chayyim 31:2; also Mishna Berura ad loc. s.v. She’ein mevarchim for advisable procedure.)
Usual weekday Shemoneh Esreh with Ya’aleh VeYavo and Ya’aleh VeYavo again in chazzan’s repetition.
We now take the lulav and esrog (same procedure as on the first two days – recite the blessing Al netilas lulav (see chart for the various minhagim at the waving of the lulav). We say whole Hallel. At the conclusion some congregations (Nusach Sefarad and some Ashkenaz) recite Hoshanos – on the third day it is E’eroch Shu’i. We circle the Bimah, Kaddish Tiskabbel.
We remove a Torah scroll from the Ark and read in Parashas Pinchas (Numbers 29:20-28), “U’vayom HaShelishi,” until “Ve’Niskah.”We call 4 Aliyos. We repeat “U’vayom HaShelishi,” “Uvayom HaRevi’i for the 4th Aliyah).The ba’al keriah says half- Kaddish. We return the scroll to the Ark, Yehallelu, Ashrei U’Va LeTziyyon, half-Kaddish.
Mussaf of Festivals – we add U’vayom haShelishi, Uminchasam… Following the Amidah repetition, Hoshanos (see Shacharis – most Ashkenaz congregations say it at the conclusion of Mussaf), Kaddish Tiskabbel. We conclude with Aleinu, Shir shel Yom, LeDavid HaShem Ori and their respective Kaddish recitations.