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9
votes
2answers
261 views

Source for not eating Matzah prior to פסח?

Thanks to this question I am compelled to ask: What is the source for not eating Matzah prior to פסח? Is there a source for not eating it for 30 days prior?
2
votes
2answers
157 views

Mishkan before/after Egel (Rashi & Ramban)

The Ramban and Rashi disagree when the Mishkan was commanded to be built. Either before or after the Egel HaZahav respectively. Can you provide SOURCES that are able to reconcile their differences? ...
5
votes
2answers
169 views

Milk after meat - less than 6 hours - for someone who has dentures

The reason given for waiting 6 hours after meat is since some of the meat may be stuck in your teeth. If someone uses dentures, and has two pairs - one for meat and one for dairy - would they still ...
5
votes
2answers
184 views

Birkat Kohanim at a late Musaf

Generally speaking, Birkat Kohanim can/is done at any daytime prayer. We do not do so at mincha because in the afternoon people have already eaten and the kohanim may have drunk some alcohol which ...
8
votes
2answers
83 views

Why 30 days of preparation for a חג

Why exactly 30 days to review the laws of the upcoming holidays? Is there anything about the number 30 that makes it significant?
8
votes
3answers
218 views

Moshe Rabbeinu's knowledge of future events

If Moshe Rabbeinu was taught the entire Torah on Mt. Sinai (Rashi on Vayikra 25:1, Rambam), how do we explain events such as the incident involving the Bnos Tzelafchad (Bamidbar 27:1-11), or the tamei ...
5
votes
1answer
92 views

Trouble understanding this Kaf HaHaim

My friend asked recently asked me an interesting Hakira in Halacha. Is it better to eat Pat Shahrit Hamosi or Pat Shahrit Mezonot and go to the Mikve (because of a lack of time)? I started looking ...
7
votes
3answers
87 views

Melachah on Shabbath - after Shabbath

If Melachah was done on Shabbath, can the product of that Melachah be enjoyed after Shabbath, and if so, under what criteria (does it depend on how long after Shabbath, or on the need, or something ...
5
votes
3answers
3k views

What is the meaning of יוֹם (yowm) in Bereshit?

I've heard conflicting reports of how the creation days , יוֹם (yowm), in Bereshit are interpreted in the Jewish community. How do actual Hebrew scholars define day in Bereshit? six 24 hour periods or ...
6
votes
2answers
97 views

How long does soil need to last?

If you move a tree with its soil, it's considered replanted (so the rules of orla kick in) unless it can live off of the soil you're moving it with. (Source.) Clearly "if it can live" doesn't mean "if ...
6
votes
2answers
129 views

Within what time frame does one have to give maaser on a large sum?

If someone suddenly has a large sum of money from a lottery or inheritance or gift, how much time does one have to disperse maaser money from that?
4
votes
0answers
70 views

Connection of Toch Kedei Dibbur to Walking 4 Amot

According to this, the gemara compares Toch Kedei Dibbur (the length of time neccasary to greet someone; see Shalom alecha rebbi (u'mori) ) to the time it takes to walk 4 amot (cubits). Thus, with ...
9
votes
1answer
761 views

18 minute Matzah?

Are there sources EXPLAINING why we have to make matzah within 18 minutes? I understand having a time limit if in fact the reason we eat matzah is to reenact the speed which we left Egypt (that ...
4
votes
2answers
66 views

בָּא אֵלַי הַפָּלִיט מִירוּשָׁלַ‍ִם … How late was he?

In Yechezkel 33:21: וַיְהִי בִּשְׁתֵּי עֶשְׂרֵה שָׁנָה בָּעֲשִׂרִי בַּחֲמִשָּׁה לַחֹדֶשׁ לְגָלוּתֵנוּ בָּא אֵלַי הַפָּלִיט מִירוּשָׁלַ‍ִם לֵאמֹר הֻכְּתָה הָעִיר That is, on the Fifth of Teves of ...
11
votes
2answers
879 views

Wearing Watches on Shabbat

What is a watch one can wear on shabbat? There are the analogue quartz watches with just one crown to adjust the time that (as far as I'm aware) most people would wear on shabbat (especially an ...
7
votes
1answer
105 views

Call for Halachic Dateline Source(s)

OK, we've got some discussion going on about issues affecting life within the gray zone of the Halachic Dateline and the International Dateline, but what is the original source of such a concept, if ...
3
votes
3answers
126 views

Does a Late Bris Necessitate Teffilin?

When one makes a Bris after Shacharis, he wears Tefilin. If a Bris is made later on in the day, does he wear Tefilin? Why or why not? And if he does, does it require a second Bracha?
12
votes
1answer
178 views

Out-of-order minyan participation

Some shuls have several minyanim back to back. If one arrives before the Torah reading of the 8:30 minyan and has finished davening before the Torah reading of the 9:30 minyan (to whose Kedusha one ...
10
votes
3answers
188 views

Why do siddurim and Shulchan Oruch OC start with Shacharis?

Why do siddurim and Shulchan Oruch OC start with the morning? Since the day starts with night, they should start with Maariv as does the mishnah.
6
votes
2answers
240 views

Understanding the timeline of the drying up of the Flood waters

After the 40 days of rainfall and 150 of the waters surging, the rest of the Flood period was the time it took the waters to dry up. Rashi (to Gen. 8:3-4,13-14) gives the timeline as follows: The ...
8
votes
1answer
191 views

Which modern-day fruits require Shehechiyanu?

According to my understanding (and please, correct me if I'm wrong), the Bracha of Shehechiyanu (שהחינו) on fruits [and some vegetables?] is recited the first time one partakes of a particular ...
7
votes
1answer
852 views

What does it cost to write one's own Sefer Torah - and how long would it take?

I'm wondering if anybody else has experience writing their own Sefer Torah, how long it took them and how much it cost. It took me about 9 years and about $3,500 to write mine.
5
votes
2answers
142 views

How often is it neccessary to check the strings of an Eruv?

If you have an Eruv Chatzeros for carrying, how often is it necessary to check it to make sure that it is properly strung and you can still carry on Shabbos?
2
votes
3answers
164 views
6
votes
1answer
140 views

Torah Learning Time Calculator

I am looking for something that will take the sefer I want to learn, and the amount of time/days I want to complete it in and tell me the average amount I need to learn a day. It doesn't have to be ...
8
votes
3answers
298 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 ...
3
votes
2answers
123 views

Shalom alecha rebbi (u'mori)

What is the significance of the time it takes to say Shalom Alecha Rebbi (U'mori)?