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2
votes
1answer
94 views

Seeing dam due to relations and the halachos of vests

If a woman was a "ro'eh machmis tashmish" (she saw blood after having relations), does the day that it happened go into the account of her "vestes" (the days that she will have to be concerned she may ...
4
votes
2answers
90 views

Why did it take so long to conquer and divide the land?

We learn that Yehoshua took 7 years to conquer the land and another 7 to divide it. Why did both of these take so long? Conquest (at least from the details of the description in the text) took at ...
2
votes
0answers
63 views

Netzach, Selah, Vaed - what is the difference between these words?

Eruvin 54a says that it was taught by Rabbi Eliezer ben yaakov that wherever it says Netzach, Selah, or Vaed it means it will remain so forever. "כל מקום שנאמר 'נצח' 'סלה' 'ועד' – אין לו הפסק עולמית" ...
1
vote
0answers
114 views

Am I allowed to wear my Pebble Watch on Shabbat? [duplicate]

The Pebble is a smart watch that connects to a smart-phone via Bluetooth and can deliver messages to your wrist. Am I allowed to wear it on Shabbat if I disconnect it from my phone? Think of it, then, ...
4
votes
1answer
145 views

Why did Noah have to wait so long to exit the ark?

This is actually several similar questions compounded together. I hope this doesn't come off the wrong way, but it seems like Noah had the opportunity (and I'm sure he had the motive) to leave the ark ...
2
votes
1answer
75 views

When is a grafted tree Kosher?

I understand that fruit isn't kosher if it is picked in the first 3 years of growth. However, what about grafting trees? If two branches come from trees that each more that 3 years old, but the ...
0
votes
1answer
79 views

Early bird discounts and ribbis

Are early-bird discounts ribbis? For example, "buy before March 1, 10% off", or "tickets $12 in advance, $15 at the door" Inspired by http://myparnasa.com/collecting-interest-ribbis/
5
votes
1answer
117 views

Sleeping between meat and milk

I have heard in the name of the Chasam Sofer that if one sleeps after eating meat that they can be lenient in the amount of time one would normally wait between eating meat and milk. Is this written ...
9
votes
4answers
200 views

Getting a head start on Shnayim Mikra

(Inspired by this question) Can one get a head start on Shnayim Mikra? Would it count if someone either started early (perhaps during the weeks with no Sedra in Tishrei), or just had some spare time ...
3
votes
1answer
58 views

Why does age of a water filter affect how to kasher it?

The Star-K Web site says about water filters: If they are metal and have been on [the faucet] consistently since the previous Pesach, they should be left on during kashering of the spigot [for ...
4
votes
1answer
80 views

How were long-running talmudic discussions actually conducted?

Eiruvin 13b records two years-long disputes between Beit Hillel and Beit Shammai, and surely these are not the only long-running debates. How did that work in practice? Did they really have a single ...
3
votes
1answer
121 views

How can you keep Shabbos till Tuesday?

I have heard that there are people who keep Shabbos till Tuesday. I would like to understand how that works practically. A few examples of puzzling situations: What shmoneh esrei does such a person ...
4
votes
0answers
38 views

Davar Ha'avad on Chol HaMoed — Loss coming later

It says in SA OC Siman 537 that one is allowed to do a malacha on chol hamoed if it's a "davar ha'aved". That is to say if the person doesn't do the malacha now it will come to a loss ("hefsed".) ...
5
votes
3answers
116 views

How long was Yosef in prison?

We know from Gen 37 that Yosef was 17 when he went out to meet his brothers and ended up on the way to Egypt, and we know from Gen 41:46 that he was 30 when Paro appointed him as second in commend. ...
2
votes
1answer
190 views

Breakdown of Yirmiyahu's 70 year prophecy

Can someone supply a good breakdown of Yirmiyahu's 70 year prophecy, and the misinterpretations of the prophecy? This is what I've learned in the past: Yirmiyahu made a prophecy that 70 years after ...
1
vote
1answer
114 views

How exactly does one fulfill Kove'a Itim La'Torah?

There is an obligation to set "times for learning torah." How exactly does one fulfill this obligation? Do you have to designate specific times in the day e.g. 9-9:30 am, or can it be a specific ...
4
votes
2answers
124 views

Why does Hashem sometimes wait until the very last minute?

I have noticed in my own life and in that of others, that very often during a time of tzarah, Hashem waits until the very very last moment to send a Yeshua. Are there any sources that discuss the ...
2
votes
1answer
200 views

Earliest time for Mincha Gedola

Looking at this myzmanim.com chart for Brooklyn, NY on 01/21/2013 it gives me the following Zmanim for Mincha Gedola. 30 fixed minutes after midday 12:37:27 Gra & Baal Tanya 12:31:53 ...
3
votes
3answers
234 views

how often do you have to check your mezuzot?

I heard it was twice in two years. Is that right? Where does that come from? If I have no reason to assume they became pasul do I still have to check them?
17
votes
2answers
918 views

When did we start counting the Year since Creation?

This year is 5772 / תשעב (Taf-Shin-Ayin-Bet) on the Hebrew Calendar. What is the earliest reference to the Year counting from the Creation of the world?
3
votes
0answers
111 views

Would time travel be assur/mutar?

Inspired by this question which the author states is not a question of issur/heter. Assuming time travel is possible (to the future or past) is there any reason it should be assur?
10
votes
3answers
396 views

Time dilation and waiting between meat and milk

Suppose Ploni eats some meat. He then gets in a spaceship and accelerates to some significant percentage of the speed of light for a short trip into outer space, and then returns home. At the time ...
9
votes
3answers
122 views

Must I check the kashrut certificate every time I visit a bakery or restaurant?

Say I visit a bakery, restaurant, jail, hospital, or nursing home. And say I already know that the food there is kosher. Must I still check the kashrut certificate every time I visit? (Gershon ...
11
votes
1answer
438 views

Kiddush between 6 and 7 o'clock - Which clock?

Many people hold that one should not make kiddush on Shabbos between the hours of 6 and 7. (Sources: Shulchan Aruch Harav and Taamei Haminhagim, (who, in turn, bring a Maharil, a Magen Avraham, and a ...
7
votes
1answer
190 views

Is there a Statute of Limitations in Jewish Law?

From Wikipedia: A statute of limitations is an enactment in a common law legal system that sets the maximum time after an event that legal proceedings based on that event may be initiated. In ...
6
votes
1answer
77 views

What if you undo a shabbat melacha?

If you plant a seed shortly before the end of shabbat (zoraya) and then un-bury it after shabbat, or you put an uncooked food into an oven and then take it out within seconds without it having baked ...
6
votes
2answers
666 views

Until what time in the morning may you eat on a fast day?

On fast days that begin in the morning, (Asara B'Teves, Taanis Esther, Shiva Asar B'Tamuz, Tzom Gedalya) if you intend to eat when you awake, until what time may you eat in the morning? Does it depend ...
1
vote
2answers
186 views

Learning secular topics for parnassah

Assuming that one should only learn secular topics for the purpose of parnassah (making a living), to what extent may one learn those topics? Is it only permitted to learn enough to get a job that ...
5
votes
0answers
246 views

How do people daven so quickly, and what's the support for it?

I learned that one must clearly enunciate every word of tefila. At the least this would include Shemoneh Esreh and Shema, but one might presume it includes all of davening. This question can easily ...
3
votes
0answers
44 views

“Yichud L'Olam” in Hilchos Muktzeh

In Hilchos Muktzeh we find there is an idea that even a rock ("evan") one can be m'yached (set aside) for a certain purpose allowing one to move it around on Shabbos (See SA OC Siman 308 Sif 22.) ...
3
votes
2answers
424 views

How long is the required suspension of marital intimacy after childbirth?

How many days a must married couple refrain from intimacy after their baby is born?
4
votes
0answers
112 views

Why is the total count of Noah's life 950 years when the year of the flood took a full year cycle?

The Posuk says that Noah was 600 years when he went into the Teivah (Bereshit 7:6,11). Rashi (Bereshit 8:14) and the rest of the Mefarshim say that the flood took an entire year to complete. The Posuk ...
3
votes
1answer
388 views

How long is Orthodox Conversion?

How long is the conversion process into Traditional Orthodox and Modern Orthodox? What is the minimum time period in most cases? I know converts can spend years preparing until they actually finalise ...
3
votes
1answer
65 views

Pesik Resheih DeLa'Avar (inevitable consequence relating to the past)

The RaM"a (Y"D 87:6) cites an opinion that one may shouldn't stoke a flame beneath a non-Jew's pot, for fear that there's some milk and meat residue in it, and you might come to cook said milk and ...
4
votes
1answer
70 views

Saying slichos at any time but “ashmores haboker”, should we take out references to the early morning time so we are not “lying”?

Many of the Slichos refer to the early morning time: "Ashmores Haboker", which is clearly not applicable to those who say late slichos (say at 8 AM) or who say it early at night (say at 10 PM, let's ...
1
vote
1answer
86 views

Why whole-day or daytime fast?

Why is it that the 9th of Av is a full-day fast but the other post-Mosaic fasts are daytime-only fasts? What determined the length?
7
votes
2answers
124 views

What does “twice in seven years” mean regarding checking mezuzos?

We are told to check our mezuzos twice every seven years. What exactly does this mean? If the Chachamim/Poskim had meant once every 3.5 years, would they not have said this instead? With regard to ...
5
votes
3answers
180 views

In an average shul, how long before sunset does a combined weekday Mincha/Maariv service start?

Many shuls worldwide run combined weekday Mincha/Maariv services. How long before sunset do these services tend to start? Please specify a range, measured in "number of minutes". Also, please cite ...
9
votes
2answers
182 views

Why only on the first Saturday night of Selichot is the minhag to start at midnight?

Pretty self explanatory. Some say at chatzot all week and some in the morning. Why davka on the first night does everyone say at night? This minhag does not seem apply on the second Saturday night ...
6
votes
1answer
103 views

How much time is the Tekia of Shofar supposed to take?

When one blows Shofar on Rosh HaShana, how much time is the Tekia supposed to take in order to be Yotzei the Mitzva?
2
votes
0answers
74 views

Drinking from a drinking fountain throughout the day

This question deals with someone who has a cup of a drink and carries it around all day long, possibly refilling it, etc. I am wondering, for someone who drinks from a drinking fountain every time he ...
1
vote
5answers
308 views

What makes prayer take so long?

I have noticed that some people take a lot longer to pray than others. I was wondering what exactly adds to this length? I do understand it's probably thinking of the meaning of the words etc. but ...
6
votes
3answers
168 views

When does counting 100 Brochos per day start and end?

There's a Halacha/Mitzvah to say at-least 100 Brochos a day. My question is: what does the term "day" mean in this regard. Does a day start at night, and end the following night (as is the case in ...
3
votes
0answers
73 views

Referencing Iron before the Iron Age [duplicate]

Possible Duplicate: Why does the Torah mention iron when the Torah was given in the Bronze age? A guest brought up this question at the shabbos table, and no one had an answer. In D'Varim ...
3
votes
2answers
102 views

Daf Yomi Scheduling for Shabbos, Yom Tov, and Sundays

With the twelfth Siyum HaShas behind us, I was wondering what is the best way for a person to maintain their Daf Yomi schedule on Shabbos, Yom Tov, and Sundays. Is it best to learn at a different time ...
13
votes
6answers
391 views

Avoiding accidentally eating cheese

Whether one waits 6 hours, 3 hours, 1 hour, or somewhere in between, it is a common occurrence to find people mistakenly eating milk/cheese/yogurt too soon after meat. It seems like a problem that ...
6
votes
1answer
170 views

No mitzvah to wear tefillin every day?

I heard that the Bet HaLevi and the Peri Megadim hold that there is no Mitzva for a person to don Tefilin everyday. Can someone source these opinions and explain exactly what they are meaning to say?
-2
votes
1answer
88 views

Is one permitted to report inflated driving hours?

In the United States, all applicants for a driver license (and permit) must have driven a certain number of hours, which varies per state. In some states the number of required hours is very high, ...
9
votes
3answers
186 views

Delaying using the toilet

According to Gemara Makkot 16b, the phrase in Vayikra 20:25 ... and do not make your souls disgusting - וְלֹא תְשַׁקְּצוּ אֶת נַפְשֹׁתֵיכֶם is a command not to hold in the urge to urinate or ...
3
votes
1answer
370 views

Self-winding wristwatches on Shabbos

Can self-winding wristwatches be used on Shabbos?