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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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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

  • Parshas Acharei Mos Kedoshim-Summary, Torah Or, Likkutei Sichos, Video Shiurim; Halachos April 24, 2026
  • 📅 Luach Hayom – Today in Halacha & Jewish History: 7th Iyar April 24, 2026
  • 🔥Daily Tanya – Chapter 45 Part 1: Arousing love through compassion April 24, 2026
  • 📜 Daily Chumash & Rashi Acharei Mos Kedoshim Shishi: List of punishments for sins April 24, 2026
  • 📖  Daily Rambam (1 Chapter) Tefillin, Mezuzah, and Sefer Torah – Chapter 4: The Placement, Wearing, and Sanctity of Tefillin April 24, 2026
  • 📚 Daf Yomi Summary – Menachot  103: Mistaken Language in Vows: What Did the Person Really Oblige Himself To? April 24, 2026
  • 💧Sotah Summary –  Sotah 22: Misplaced Piety and Knowledge Without Understanding April 24, 2026
  • 📅 Luach Hayom – Today in Halacha & Jewish History: 6th Iyar April 23, 2026
  • 🔥Daily Tanya – Chapter 44 Part 5: The necessity for arousing the love of Ahavas Olam-Contemplation of G-d’s greatness April 23, 2026

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Recent Posts

  • Parshas Acharei Mos Kedoshim-Summary, Torah Or, Likkutei Sichos, Video Shiurim; Halachos April 24, 2026
  • 📅 Luach Hayom – Today in Halacha & Jewish History: 7th Iyar April 24, 2026
  • 🔥Daily Tanya – Chapter 45 Part 1: Arousing love through compassion April 24, 2026
  • 📜 Daily Chumash & Rashi Acharei Mos Kedoshim Shishi: List of punishments for sins April 24, 2026
  • 📖  Daily Rambam (1 Chapter) Tefillin, Mezuzah, and Sefer Torah – Chapter 4: The Placement, Wearing, and Sanctity of Tefillin April 24, 2026
  • 📚 Daf Yomi Summary – Menachot  103: Mistaken Language in Vows: What Did the Person Really Oblige Himself To? April 24, 2026
  • 💧Sotah Summary –  Sotah 22: Misplaced Piety and Knowledge Without Understanding April 24, 2026
  • 📅 Luach Hayom – Today in Halacha & Jewish History: 6th Iyar April 23, 2026
  • 🔥Daily Tanya – Chapter 44 Part 5: The necessity for arousing the love of Ahavas Olam-Contemplation of G-d’s greatness April 23, 2026
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