Questions tagged [moon]
The moon tag has no usage guidance.
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Drawing the sun, moon or stars [duplicate]
In what manner may one draw the sun, moon and stars for a children's book? Is there a difference if it's:
not complete
black and white outline or colored
realistic or fake looking
the purpose of the ...
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Do the Arabs count to the moon, too?
The Talmud famously says (in a Baraita on Sukkah 29a) that the Jewish people calculate our calendar by the moon (lunar calendar), and the Nations of the World use the sun (solar calendar). How is this ...
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Percentage moon illuminated to declare a new month?
How is a new Jewish month declared?
Today, it is precomputed but in the past, a new month was declared only when the new crescent was visually seen.
Today, we have software like Stellarium which ...
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How to understand וּמִמֶּ֖גֶד גֶּ֥רֶשׁ יְרָחִֽים - "the bounteous crop of the moons" and Rashi on Devorim 33 (14)
Devorim 33 (14) says
וּמִמֶּ֖גֶד תְּבוּאֹ֣ת שָׁ֑מֶשׁ וּמִמֶּ֖גֶד גֶּ֥רֶשׁ יְרָחִֽים׃
With the bounteous yield of the sun, And the bounteous crop of the
moons;
Rashi says
גרש ירחים [AND BY] THE ...
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Halacha of moons disappearance during kiddish levanah?
I thought I’ve read somewhere the moon needs to be visible (although you don’t look up at it) the entirety of kiddish levanah, so when it’s completed and you look up, the moon is still visible. Does ...
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How could anybody confuse moonlight and sunlight?
The mishna in Yoma 3:1 talks about watching for dawn to know if it's time for the morning offering, and then Yoma 3:2 asks:
וְלָמָה הֻצְרְכוּ לְכָךְ, שֶׁפַּעַם אַחַת עָלָה מְאוֹר הַלְּבָנָה וְדִמּוּ ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
user9309
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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Praying for the Moon to "fill the defect"
During Kiddush Levanah, a brief prayer is recited:
וִיהִי רָצוֹן מִלְּפָנֶיךָ ה' אֱלֹקי וֵאלֹקי אֲבוֹתַי לְמַלֹּאת פְּגִימַת הַלְּבָנָה וְלֹא יִהְיֶה בָּהּ שׁוּם מִעוּט.
וִיהִי אוֹר הַלְּבָנָה ...
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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 ...
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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 ...
user3318
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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 ...
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What is the Sod HaIbbur and what is so secret about it?
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 ...
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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 ...
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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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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 ...
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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 ...
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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"?)
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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)?
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Last time for Kiddush Levanah
How can I calculate the last possible time to say Kiddush Levanah for a given month?
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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 ...
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