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  1. Home
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  6. Kiddush Hachodesh and the Jewish Calendar

Kiddush Hachodesh and the Jewish Calendar

15 Articles

8. The dispute of Rav Sadya Gaon [Rasag] and Rebbe Ahron Ben Meir of Eretz Yisrael

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Calculating the new moon and creating a calendar of months

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  • 1834

From the Rav’s Desk: Were Shluchim sent in Chodesh Sivan to inform others as to when the new moon was sanctified?

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Hashem showed Moshe the new moon

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One versus two days of Rosh Chodesh

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The Biblical command

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The names of the Jewish months

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The names of the month

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The order of months that are Malei/Chaseir and the months of Cheshvan/Kisleiv

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The process of determining Rosh Chodesh in times of the Sanhedrin

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Understanding Kiddush Hachodesh and the Jewish Calendar-Part 1

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Understanding the moon’s cycle

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When did we stop sanctifying the new moon based on testimony and will we continue in the future

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When is Rosh Chodesh?

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Why the Jewish people are compared to the moon

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Daily Learning

  • đź“…Luach Hayom – Today in Halacha & Jewish History: 11th Nissan March 29, 2026
  • 🔥Daily Tanya Chapter 39 Part 5: Serving Hashem Lishma versus not Lishma-Love & fear versus habit versus ulterior motives (Sunday 11th Nissan) March 29, 2026
  • đź“ś Daily Chumash & Rashi Parshas Shemini – Rishon: The order of the eighth day of inauguration (Sunday 11th Nissan) March 29, 2026
  • đź“„Daily Tanach – Yoel Chapter 2 – The Day of Hashem, Repentance, and Divine Restoration March 29, 2026
  • đź“– Daily Rambam (1) – Hilchos Teshuvah – Chapter 7: The Greatness of Repentance and the Elevated Status of the Baal Teshuvah (Sunday 11th Nissan) March 29, 2026
  • đź“šDaf Yomi Summary – Menachos 77: The Karban Todah March 29, 2026
  • ⚖️ Daily Halacha: Kashering for Pesach – Halachic digest & Guideline March 29, 2026
  • ✍️From the Rav’s Desk: Must I Kosher my Kiddush cup for Pesach and if so how, and what if it contains a rim? March 29, 2026
  • 🔥Daily Chassidus: Pesach is Ratzo-Electric passion of the G-dly soul March 29, 2026

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Recent Posts

  • đź“…Luach Hayom – Today in Halacha & Jewish History: 11th Nissan March 29, 2026
  • 🔥Daily Tanya Chapter 39 Part 5: Serving Hashem Lishma versus not Lishma-Love & fear versus habit versus ulterior motives (Sunday 11th Nissan) March 29, 2026
  • đź“ś Daily Chumash & Rashi Parshas Shemini – Rishon: The order of the eighth day of inauguration (Sunday 11th Nissan) March 29, 2026
  • đź“„Daily Tanach – Yoel Chapter 2 – The Day of Hashem, Repentance, and Divine Restoration March 29, 2026
  • đź“– Daily Rambam (1) – Hilchos Teshuvah – Chapter 7: The Greatness of Repentance and the Elevated Status of the Baal Teshuvah (Sunday 11th Nissan) March 29, 2026
  • đź“šDaf Yomi Summary – Menachos 77: The Karban Todah March 29, 2026
  • ⚖️ Daily Halacha: Kashering for Pesach – Halachic digest & Guideline March 29, 2026
  • ✍️From the Rav’s Desk: Must I Kosher my Kiddush cup for Pesach and if so how, and what if it contains a rim? March 29, 2026
  • 🔥Daily Chassidus: Pesach is Ratzo-Electric passion of the G-dly soul March 29, 2026
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