the first day of every Jewish month; a minor holiday

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219 views

Why not two days of Rosh Hodesh, as we have two days of yontif?

The reason for two days of yontif (outside Israel) is based on uncertainty about the date due to distance from Jerusalem and time needed to travel to convey the news of when the month started. The ...
9
votes
4answers
431 views

Hours, minutes, and chalakim

On Shabbat preceding Rosh Chodesh, the time of the molad is generally announced in units of hours, minutes, and chalakim. However, minutes are not a traditional Jewish unit of time; rather hours are ...
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0answers
28 views

Why is the Rosh Chodesh leining split up the way it is?

The Rosh Chodesh Torah reading comes from the first 14 psukim of Bamidbar 28. These verses are split into 3 sections in the Torah, but we have to split them into 4 aliyot for leining. The three ...
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0answers
23 views

How was Rosh Chodesh “observed” in Temple times?

Before there was a standardized calendar, and after the date of Rosh Chodesh could no longer be communicated by fires, when the sanctification of the new moon had to be transmitted over distances, was ...
4
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1answer
56 views

Why don't we blow the shofar on Rosh Hodesh?

In the psalm for Thursday, Psalm 81 there is a command to blow the shofar at the New Moon. We no longer follow this practice, but presumably they did when the psalm was written, during the era of ...
11
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2answers
69 views

Why Hallel on Rosh Chodesh?

Why do we say Hallel on Rosh Chodesh? On the festivals we are thanking G-D for a salvation that occurred in the past on that date, but Rosh Chodesh does not commemorate any specific event that took ...
5
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2answers
91 views

“Chaparat Pesha” just through Adar II

We know that the phrase ולכפרת פשע is added to the Musaf Amidah of Rosh Chodesh during a leap year. However, in most minyanim I've davened in, the custom seems to be that one only adds it from ...
2
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1answer
75 views

How to repent for sins on “festive” days?

On certain days of the year, viduy may not be recited (month of nissan, hol hamoed, rosh hodesh, etc.). If one did make a sin on one of these days, how can he/she repent for the sin on that same day?
5
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4answers
226 views

Why do we use Adar, specifically, for the Jewish leap year?

Why when we add an additional month to the year do we only add it in Adar? Why not have a second Cheshvon or a second Shevat, etc.?
7
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3answers
1k views

Saying Ulichaporas Pasha in Musaf of Rosh Chodesh

During Musaf of Rosh Chodesh the words Ulichaporas Pasha is added on during a leap year. Why is this done? And what is the significance of it?
4
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1answer
400 views

When should one cut his nails for Shabbos when Friday is Rosh Chodesh

In the answer to Rules for Cutting Nails it quotes the Mishna Berura 260:6 that one should not cut their nails on Thursday. Mishna Berura explains that by cutting them on Thursday they will begin to ...
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2answers
75 views

He forgot Yaaleh VeYavo in early maariv on Rosh Chodesh. Does he repeat the Amidah?

Halachipedia says If one forgets Yaaleh VeYavo at Mariv/Arvit once one finished the Bracha of Retzeh (and all the more so if one finished Shmoneh Esrei) one doesn’t return to the Bracha or ...
4
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2answers
71 views

What is the shir shel yom for Rosh Hodesh Tevet according to the tradition of the GR"A?

My understanding of the tradition of the Vilna Gaon (whose tradition is followed in Israel) with respect to shir shel yom is that every day has exactly one shir shel yom. For example, during Hanukkah, ...
3
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1answer
53 views

Shabbos Chanuka - Rosh Chodesh - Torah reading mistake

Orach Chaim 684:3 says that on Shabbos Chanuka that is also Rosh Chodesh we take out three Sifrei Torah. In the first one we give six Aliyos in the Parsha of the week. In the second one we read about ...
3
votes
3answers
197 views

Who observes Yom Kippur Katan, and how?

Which groups of Jews observe the monthly holiday known as "Yom Kippur Katan," in which one dedicates the day before Rosh Chodesh to repentance, often including fasting and selichot? In what ways do ...
4
votes
1answer
47 views

Why is Rosh Chodesh festive?

There are both mitzvos and customs that seem to elevate the status of Rosh Chodesh and give it a holiday-like status. Why? Shabbos and holidays have explicit reasons for being festive. But what is ...
2
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1answer
44 views

Rosh Chodesh at home

How could one celebrate Rosh Chodesh at home and are there any customs like on Shabat (candles, bread, kiddush) or festivals (blowing shofar)?
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2answers
59 views

Who is the LaHem (“them”) in Mussaf Rosh Chodesh?

In Musaf of Rosh Chodesh we say אַהֲבַת עוֹלָם תָּבִיא לָהֶם - bring them eternal love. Who is this phrase referring to? Who is the them in this supplication? If it referes to the renewed temple ...
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2answers
85 views

Why do we bring a sin offering on rosh chodesh, given the midrash about changing the size of the moon?

We bring a sin offering as a 'kapara' for hashem for decreasing the size of the moon. The story goes that the moon said we cant have two 'kings' the same size so I want to be bigger. Hashem says no ...
2
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0answers
31 views

Why is the special kedusha for Shabbat and Yom Tov musaf not said on Chol Hamoed or Rosh Chodesh?

On Shabbat and Yom Tov Ashkenazim say an extended kedusha in musaf (on Yom Kippur, we even say it throughout the day). The Artscroll (machzor, Yom Kippur, pages 406-407) explains: During Mussaf of ...
3
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1answer
41 views

Why do we mention the Rosh Chodesh korbanot in pesukei dezimra?

In the pesukei dezimra of each day we have a section of korbanot. On Shabbat, we add in a section which lists the extra korbanot of Shabbat. According to the Artscroll Yom Kippur machzor, we do that ...
3
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0answers
32 views

Was there any limit to the number of consecutive “full” (30 day) or normal (29 day) months during the time of the Sanhedrin?

When Sanhedrin existed, each month had to be sanctified by Sanhedrin after testimony of 2 witnesses (or automatically by Sanhedrin if no one appeared by the end of the 30th day.) Refer to Maimonedes ...
7
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2answers
112 views

Why isn't Rosh Hashana on Elul 30 and Tishrei 1

When Rosh Chodesh is two days, it's on the 30th of the old month and the first of the new month. Rosh Hashana falls on the beginning of the new month of Tishrei. Why then is Rosh Hashana on Tishrei ...
2
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2answers
69 views

When Rosh Chodesh lasts two days, which day is pre-eminent?

Tashlich is performed just once over the two days of Rosh Hashanah, usually on the first day (unless that's Shabbos) If one had a personal ritual / event one liked to perform / hold each month to ...
2
votes
1answer
50 views

Not saying shir shel yom on Rosh Chodesh?

This morning (Rosh Chodesh), i davened at the Ohel Yitzchak shul on Washington St., Jerusalem (no, not that Ohel Yitzchak). After aleinu but before shir shel yom the gabbai announced that because it ...
1
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1answer
29 views

When do sefardim begin reciting selihot?

Since rosh hodesh Elul is a mini-holiday do you need to wait till the day after rosh hodesh or do sefardim begin saying selihot on the first of Elul?
2
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0answers
51 views

If Yom Kippur Katan has to exist, why isn't it ON Rosh Chodesh?

The practice of Yom Kippur Katan is held on erev Rosh Chodesh (by some) so that we can maintain the element of kapparah essential to Rosh Chodesh but not compromise the celebration of the day by ...
4
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2answers
537 views

Cutting hair when Rosh Hodesh Av is a Friday

Is it permissible to cut hair on Rosh Hodesh Av when it comes out on a Friday?
7
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1answer
91 views

Why don't we say Hallel on Rosh Hashanah?

For most months, on the first day (Rosh Hodesh) we say the Hallel service between Shacharit and Mussaf. For the first day of Tishrei (Rosh Hashanah), however, we do not say Hallel. Why is it not ...
3
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1answer
141 views

Is it mandatory to eat before solar noon on Rosh Chodesh?

"A person should make sure to eat before the sixth hour on Shabbos, since it is forbidden to fast on Shabbos". --A column by Daniel Yaakov Travis, citing Talmud Yerushalmi, Taanis 3:11. During ...
2
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0answers
186 views

Is there a misnomer about using the greeting “Chodesh Tov” on erev Rosh Chodesh?

Is there something improper with saying "Chodesh Tov" on erev Rosh Chodesh or should one only use the greeting "Erev Tov" instead? The reason I ask is that I've noticed historically whenever I say ...
8
votes
1answer
172 views

Why is there a special Haftarah for “Machar Chodesh”?

Usually, a special Haftarah (meaning one that pre-empts the regular haftarah designated for the weekly parsha) is said on a Shabbat that has a holiday such as Chanukah, and Shabbat Rosh Hodesh. ...
4
votes
1answer
90 views

In the Rosh Chodesh leining, why is “Shabbas b'Shabato” pronounced with a pasach?

Recently, I paid attention to the Rosh Chodesh Torah reading (Bamidbar/Numbers Chapter 28) and noticed that in verse 10, "olas Shabbas b'Shabato…", the word "Shabbas" is vowelized with a pasach (short ...
7
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1answer
281 views

Removing Tefilin before Mussaf

I've seen some people remove their Tefillin before Mussaf on weekdays of Rosh Chodesh. Why do they do this?
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1answer
53 views

Taking off tefillin for Mussaf on Rosh Chodesh [duplicate]

On Rosh Chodesh we take off our tefillin before Mussaf. 1) What's the source this? 2) Why do we do it?
2
votes
1answer
54 views

What if you forget Ya'aleh V'yavo on the second night of Rosh Chodesh?

If one forgets to say Ya'aleh V'yavo on the eve of rosh chodesh, one does not repeat: If one remembers immediately after completing the blessing of Retzeh, he should insert Ya’aleh VeYavo there, ...
4
votes
1answer
78 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 ...
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1answer
39 views

Are the calculations of the Molad mentioned by Ramba"m based on constant or variable (seasonal) figures?

Rambam KidushHachodesh 6:3 states: [the interval] between one conjunction of the moon and the sun and the subsequent conjunction according to their mean movement is twenty-nine full days, ...
2
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1answer
37 views

Why did the people have to respond twice “It is sanctified” when Sanhedrin declared Rosh Hodesh?

Ramba"m (Maimonedes) Hilchot Kid. Hachodesh 2:8 says: Afterwards - i.e., after [the witnesses'] testimony is substantiated - the head of the court declares, "It has been sanctified." And all the ...
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1answer
33 views

Why were leap years decided only by judges and not with the cooperation of witnesses?

Ramba"m Hilchot Kiddush Hachodesh 4:9 says: The year can be made full only by [judges] who were invited [to participate in the deliberations]. What is implied? The head of the High Court tells ...
4
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1answer
51 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 ...
5
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3answers
306 views

Why is the day of Rosh Chodesh announced before every month except Tishrei?

Why is Tishrei the only month not included in the custom of announcing the day(s) of Rosh Chodesh on the Shabbos before the month begins?
2
votes
1answer
81 views

Is the distance for observing 2 days of Yom Tov today, the same distance as when this halacha was first instituted?

My understanding is that the reason for observing the 2nd Day of Yom Tov was that messengers were sent from the Sanhedrin to proclaim the day that Rosh Hodesh began, and they could reach only a ...
6
votes
1answer
95 views

When did Yom Kippur Kattan originate?

The day before Rosh Hodesh is considered like a "mini" Yom Kippur. (I understand that there are some months, I think before Tishrei and Nissan that do not have YKK? Correct me if I'm mistaken.) Some ...
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0answers
134 views

What do those people who wear tefillin all weekday do on Rosh Chodesh?

There are people who wear tefillin all day (see related question When did people stop wearing Tefilin all day? and the comments to it.) For one or two reasons many remove tefillin before Mussaf on ...
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1answer
47 views

Why don't we remember the Churban in Shabbat and Rosh Chodesh musaf?

The requirement to remember the churban is incumbent upon Jews every day (top of page 2) and is especially important at times of joy. Aside from the practices of leaving a wall unfinished/unpainted, ...
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0answers
24 views

Will 2 days of Rosh Hodesh & Yom Tov be necessary after Mashiach? [duplicate]

As I understand it, the origin for having a 2nd day of Rosh Hodesh & Yom Tov is that messengers were only able to travel a certain distance from where the Sanhedrin was to convey the declaration ...
2
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1answer
35 views

Mixing up the order of Retzei and Ya'aleh V'yavoh?

If someone is bentching on Shabbat-Rosh Chodesh, and accidentally skips Retzei, but says Ya'aleh V'yavoh, can they then say Retzei after Ya'aleh V'yavoh, but before Uvenei? Or must they continue and ...
3
votes
1answer
107 views

How do you bench on a Friday rosh chodesh if you eat after kabbolas shabbos before nightfall

Do we say yaaleh v'yovo or r'tsai or both if one eats today which is Friday rosh chodesh after being mekabel shabbos but before nightfall. Does it make a difference if you finish before or after ...
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0answers
21 views

How can we make requests for personal needs in Rosh Chodesh “Bentching”? [duplicate]

On Shabbos before Rosh Chodesh we "Bentch" the new month between Shacharis and Mussaf. Seeing that it is Shabbos, when Chazal forbade one to ask for his personal needs how can we make these requests, ...