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Questions tagged [moon]

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3
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0answers
93 views

Kiddush Levana after a Lunar Eclipse

The full moon occurs at the halfway point of the lunar cycle (which according to halacha is on average 29 days, 12 hours and 793 chalakim, see here). The Shulchan Aruch (OC 426:3) says one can say ...
8
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3answers
198 views

Is there any evidence that Chazal knew what caused eclipses?

Many ancient cultures believed that eclipses are caused by things other than syzygy. The Egyptians had Apophis. The Hindus had Rahu. (The interested reader can see more here.) In light (ha) of the ...
4
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1answer
109 views

Why is it our responsibility to bring a Chatas for the Moon's sin?

In Parshas Pinchos (Bamidbor 28:15), in the obligation to bring a Korban Chatas (sin offering) on Rosh Chodesh, Rashi brings two explanations: 1) It is to atone for "טומאת מקדש וקדשיו" (defiling ...
2
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0answers
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Women caused the moon to shrink and kiddush levana [duplicate]

Regarding women saying Kiddush Levana, the Mishnah Berurah Siman 426 סק"א, quoting the Shlah, writes: ונשים פטורות מלקדש הלבנה דהוי מ"ע שהזמן גרמא ואף דכל מ"ע שהזמן גרמא נוהגות הנשים שמקיימות ...
1
vote
1answer
53 views

Midrash about Abraham , Moon and 14 generations?

I heard one rabbi tell a story connecting Abraham , and cycles of the moon and generations it takes to David from Abraham! Is anyone familiar with this story and where can i find it?
12
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3answers
1k views

How does the moon cause harm? Tehillim 121:6

Psalms 121:6: יוֹמָ֗ם הַשֶּׁ֥מֶשׁ לֹֽא־יַכֶּ֗כָּה וְיָרֵ֥חַ בַּלָּֽיְלָה׃ The sun shall not smite you by day, nor the moon by night. I understand that the sun "smiting" you can cause sunburn ...
4
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1answer
775 views

What is the significance of a Blood Moon in Judaism?

Is it true that the appearance of a Blood Moon is an omen in Judaism? And why it happens to be coinciding every time with a Jewish holiday since quite a while? I would like to know about the facts and ...
6
votes
1answer
173 views

Should a person observe Rosh Hodesh & say “Kiddush Ha'Aretz” if he lives permanently on the moon?

This is not meant to be a "Purim Torah" question. The concept of Rosh Hodesh is based on the orbit of the moon around Earth. But, with the proposal of sending people to live permanently on Mars, I ...
-1
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1answer
86 views

Elazar ben durdayah and the Metaphors

The Gemara in Avodah Zarah (17a) says: “When Elazar ben durdayah was at the moment of the onset of cohabitation, [the harlot] blew with her mouth and said to Elazar, “Just as this current of air ...
13
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5answers
547 views

What did women have to do with the moon's shrinking?

In the Mishna Berurah (426:1) it says (with loose translation): ונשים פטורות מלקדש הלבנה דהוי מ"ע שהזמן גרמא ואף דכל מ"ע שהזמן גרמא נוהגות הנשים שמקיימות ומברכות עליהן מ"מ מצוה זו אין צריכין לקיימה ...
5
votes
1answer
145 views

Praying for the moon to become bigger

During Kiddush Levanah, a brief prayer is recited, that God "fill the defect of the moon, that there should be no more diminution thereof, and that the moon's light be like the sun's light and like ...
8
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4answers
288 views

How accurate is the Molad?

To the best of my knowledge the Molad is every 29.5 days + 793 Chalakim. Is there any information showing if the current Molad calculation is accurate scientifically? If it is off by how much is it ...
4
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2answers
207 views

Conservative Kiddush Levanah

The version of Kiddush Levanah printed in the Conservative movement's siddur omits the verse "כשם שאני רוקד כנגדך..." I've heard that this is because the Conservative movement believes that in an age ...
3
votes
1answer
404 views

New Moon Based on Sighting Outside of the Land of Israel

I would appreciate someone directing me to a source that states/indicates/suggests whether the visibility of the new moon outside the Land of Israel may be used to begin the Jewish month in that ...
5
votes
2answers
213 views

What is the Sod HaIbbur?

What is the Sod HaIbbur (secret of impregnation)? I have seen it discussed in many places including the Pirkeu D'Rebbi Eliezer (8th chapter?) in reference to the intercalation for the lunar months of ...
5
votes
1answer
545 views

Rambam's method for calculating the conjunction of the moon (and sun)

I think I'm missing something basic here... The Rambam, in Hilchot Kiddush Hachodesh (6:3) says that the interval between one conjunction to the next is is 29 full days, 12 hours of the 30th day, and ...
1
vote
1answer
249 views

What was the first Hebrew date of the first Molad?

If one were to represent the Molad Tohu as a date, comprised of a month, day, year, hours, minutes, seconds, and chalakim, what date would that be?
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votes
2answers
1k views

Minhag not to view moon through a window?

I have a vague memory of being told not to gaze at the moon through the glass of a window. I think it had something to do with kabbalah. I know it's permitted to say kiddush levanah by looking at the ...
13
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2answers
398 views

Purpose of announcing Molad

The custom is that the gabbai announces the time of the Molad during the course of "Bircas HaChodesh" on Shabbos Mevorchim. What is the purpose of this? The molad is anyhow not directly connected to ...
7
votes
1answer
587 views

Can I say kiddush levana during daylight hours if the moon is visible?

Suppose it's late afternoon or early morning and the moon is visible -- can I say it then? Or must it be at "night"? (If so, how do we define "night"?)
12
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3answers
708 views

Shalom Aleichem in Kiddush Levanah

Why do we say Shalom Aliechem in Kiddush Levanah? And what should one do if there are no other people around (or not enough people around)?
7
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1answer
6k views

Last time for Kiddush Levanah

How can I calculate the last possible time to say Kiddush Levanah for a given month?
10
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6answers
1k views

How to Resolve Kiddush Levana and Celestial Worship, (Avodas Kochavim)?

In general Kiddush Lavanah has always seemed to me to be akin to "Avodas Kochavim" - so does anyone know of a satisfying answer that works with Occam's razor? More specifically: We say Just as I can ...