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9
votes
4answers
225 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 ...
4
votes
0answers
42 views

Morning seder as the “main” seder

In most Yeshivas with which I am familiar, morning seder, the regimen of learning before lunch, is the more in-depth and intense learning seder, while afternoon seder (session) is generally less ...
4
votes
4answers
499 views

How long do I have after a bread meal to bensch?

How long do I have after a bread meal to bensch (say grace)? Does it matter if I am distracted by other things? For example, I eat at 1 pm, then I work for 5 hours, go to the store for half an hour, ...
5
votes
1answer
109 views

Waiting six hours when chicken became meat

Poultry was once not considered fleishig. If someone had eaten chicken immediately before the rabbis decreed that poultry was fleishig, would he have had to wait his customary number of hours before ...
9
votes
3answers
130 views

When Tana“ch uses the phrase ”until today" what does it mean?

There are numerous places where Tana"ch uses the phrase "עד היום" or "עד היום הזה" ("until\to this day"). Usually, this phrase is used regarding the names of cities, towns, etc. - occasionally, such ...
3
votes
1answer
84 views

Why do I care what time Bnei Melachim (sons of kings) rise in the morning?

The Mishnah in Berachothch2? teaches that one may recite Shema' until the end of the third hour of the day, "for it is the way of the sons of kings to rise by three hours." Why is that the deciding ...
4
votes
2answers
121 views

Shabbat with time dilation in space

I know there is some discussion in space/planets.. How would you keep shabbos in space? The Rabbi I asked this shabbat pretty much said the same thing; and you go by Jerusalem time when in doubt. ...
8
votes
2answers
87 views

How is the story of the Torah being given told in the Torah itself?

I'm sure this question has been asked before since it very obvious and I've heard it before. Nonetheless I've never heard a good answer and an internet search brought up nothing. The question is, how ...
5
votes
3answers
249 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?
2
votes
0answers
92 views

To know in advance when one is a niddah

The gemoro and shulchan aruch has much to say about 'vestos', way to find out in advance when one will be a niddah, which rarely work today. There are modern methods which do work: does one have to ...
3
votes
2answers
140 views

Is there a concept of time in Gan Eden and the world to come?

Does Time exist in Gan Eden and the world to come. I heard that you cant get bored of these places since there's no time there. Also heard midrash that Yitchak Aviinu went to Gan Eden for 2 years ...
-2
votes
1answer
32 views

Earliest time for dawn: a question on Kehati

The Mishna (Berakhot 4:1) brings the opinion of R' Yehuda to the effect that the latest time for shacharit is the fourth hour of the day. In explaining R' Yehuda's opinion, Kehati elaborates upon the ...
3
votes
0answers
50 views

Where and when did the numerical time units (hours) originate? [duplicate]

The Torah states no numerical divisions for the day. The closest numeric we find is that there are 7 days in the week, and that the start of the "day" begins with "erev" (and there are debates on when ...
1
vote
3answers
111 views

Does God have complete knowledge of future?

This question Did God know the holy place right away during the exodus? ask around the idea that G-d would choose His holy places during exodus time. However, if he knows the future, he couldn't ...
6
votes
1answer
113 views

Davening a long shemoneh esrei and missing ameins

Is there anything wrong/are there any problems with a person davening a long shemoneh esrei, so much so that they miss chazaras hashatz, including kedusha, and all the ameins...?
2
votes
3answers
247 views

Precise Zemanim?

This site (see the paragraph starting with "accuracy") says that no one can predict the times for sunrise and sunset to within a minute accurately for a given location because of certain atmospheric ...
2
votes
2answers
68 views

Can the time a dream occurs influence its significance?

Does the time during the day or night when one has a dream have any influence on how meaningful it is? I've heard it does, but have no good source, and wonder whether it's true.
4
votes
0answers
53 views

How long can יוצא ונכנס be?

In regards to kosher supervision, what is the largest single gap that a mashgiach can leave the premise and still be considered practicing יוצא ונכנס?
6
votes
2answers
108 views

Give ma'aser on money that you didn't make yet?

Can I give ma'aser on money that I didn't earn yet but I know I will be earning in the future?
1
vote
3answers
141 views

Bittul Chometz before the time

After bedikas chometz on the 14th of Nissan by night and again on the 14th of Nissan by day we are "m'vatel" (nullify) all of the chometz in our reshus (property.) Can a person say already any time ...
2
votes
1answer
60 views

How long did the showdown with Paro last?

Recently my torah-study group was discussing the events of Parshat Sh'mot, and someone claimed that people could only gather straw for bricks in the fall (I don't know if that's true) and the exodus ...
3
votes
0answers
52 views

How much time must pass before making a second beracha on the same food?

If you made a beracha on a food or drink item and you took a sampling of it, how much time must pass until the next sampling for you to be required to make an additional beracha?
2
votes
2answers
101 views

How is it possible that Yisrael went out of Egypt after only 210 years due to hard work?

Is it possible to say that the Jews were in Egypt for only 210 years because they were worked so hard? Would Hashem really do that if he already told Avraham that they would be there for 400 years?
7
votes
4answers
228 views

Concept that time is a spiral

I've heard that there is a concept in Judaism of time in a spiral, but I'm not sure where that idea originally comes from (specifically, which Rabbi originally said it). The earliest I've found is Rav ...
2
votes
2answers
146 views

Can Jews standing naval watches take their shabbat in shifts?

Suppose you have an major naval ship (aircraft carrier or nuclear sub) with a small complement of Jews on board. They're divided by the executive officer to stand watches, same as the rest of the ...
1
vote
1answer
147 views

Why 72-minutes for Dutch, Swedish, Finnish, and Northern European Jews?

I am a Swedish Jew and want to know why we wait specifically 72 minutes after eating meat/flaysh before eating miklhigs. A lot of people say it is an hour, but my understanding is that a one-hour ...
1
vote
1answer
80 views

Should we really say kaddish for twelve months for a parent?

Is Kaddish really twelve months for a parent? When I said Kaddish for my father fifty years ago I read in the prayer book at the Chevra Kaddisha Bnai Jacob in Montreal that it should only be for ...
4
votes
2answers
279 views

Eating dairy after pareve on meat equipment?

If I eat hot pareve food that was made on meat equipment, is there a waiting period before I can eat dairy? I had always assumed so -- that the heat transfers the meatiness to the pareve food -- but ...
7
votes
2answers
433 views

Why 1,000 generations of ungiven Torah, not X years?

The Mainz Anonymous reads, in part (in my own translation): He created the Torah 974 generations before the world was created, then twenty-six generations [passed] from the creation of the world ...
2
votes
1answer
120 views

Are there prophetic perfect tenses?

In Christianity, there is a school of interpretation where God sometimes describe future events using past tenses. God, being outside of time, see future events as if it already happens and hence use ...
1
vote
3answers
255 views

What does “shachar” in “alos hashachar” mean?

We find a number of terms referring to when morning starts and then perhaps a similar term used to refer to the time of shachris. Alos HaShachar (עלות השחר) Ayeles HaShachar (אילת השחר) and Shacharis ...
4
votes
1answer
65 views

Must one publicize a lost object if it had been found a long time prior?

Let's say, for whatever reason, someone found a lost object but did not get around to publicizing it for over a year. Does the Mitzvah to publicize it still apply, assuming that after the long ...
4
votes
2answers
135 views

What took 8 days

What took the Jews 8 days to produce new oil when rededicating the Temple in the Chanuka story? It seems the process of oil-making takes a lot less time (I have done it in Israel on one of the tourist ...
5
votes
3answers
161 views

Why are we required to light Chanukah lights only for about half an hour?

Since the miracle of the oil of Chanukah was that from one flask of oil they miraculously had enough oil for the menorah to burn all night for eight days, why did Chazal require us to light only for ...
4
votes
2answers
147 views

Retroactive Get to prevent mamzerut?

If while a married couple are divorcing but before the husband has given a get at the Beit Din, the woman gets pregnant from a new boyfriend, can a get be given retroactively? Would it help that the ...
2
votes
1answer
112 views

Mesilat Yesharim - how much time per day for zehirut/watchfulness

The Mesilat Yesharim brings down zehirut (watchfulness) as one of the first steps to master. Zehirut in essence means working on cleaning oneself up from all bad behavior through analyzing one's ...
3
votes
0answers
48 views

Inconsistent scheduling for the musaf offering

In P'sachim (58a), Abaye frames a disagreement between Rabbi Yishma'el and Rabbi Akiva regarding the ordering of the korban musaf and the bazichin (bowls of frankincense burned when the old showbread ...
9
votes
1answer
475 views

Brewing fresh coffee for Shabbos with a time clock

May one prepare coffee ingredients in a brewer such as this one on Friday and set the timer to brew the coffee for 8:00 Shabbos morning?
10
votes
1answer
202 views

Group coordination for a siyum

My understanding is that a siyum should be made on the last bit of the text being studied. Thus, if the entire Mishna (all six "orders") is studied for someone's yahrzeit, the last mishna (individual ...
2
votes
1answer
94 views

“If you have time, say this”

I have seen in many siddurim, mainly in korbonos, the phrase "if you have time, add this parsha". How do you know if you have time? It seems obvious that if adding it would make you miss zman ...
5
votes
3answers
673 views

Can a woman delay going to the Mikvah?

Can a woman delay going to the Mikvah on her Mikvah night? That is, if it is the seventh day and she is scheduled to go to the Mikvah, but it turns out to be inconvenient (for example if a friend's ...
5
votes
1answer
281 views

First year counted from creation [duplicate]

What is the first year for which there exists a record of it being dated according to the currently used system that starts counting from creation?
10
votes
3answers
227 views

Can I use a Lulav or Esrog from last year?

Suppose I'm able to perfectly preserve one (or all) of the Arbaah Minim from last year so that they are still in "mint condition." Can I use them again this year?
2
votes
1answer
41 views

Baal T'acher today - based on Rosh Hashana 4

Rosh Hashana 4a & Rosh Hashana 4b mentions a whole list of items that one does the sin of Baal T'acher. There is a dispute as to when this prohibition takes effect, ranging from the first festival ...
1
vote
1answer
154 views

Eternal Gehinom

the talmud in Rosh Hashana 17a lists some sins which warrant eternal gehinom. Is this to be taken literally? or perhaps it means a very long time or until the end of this world.
5
votes
4answers
204 views

Eating meat: when do the 6 hours start?

When you eat meat, when do the 6 hours that you have to wait begin? When you start eating or when you end? Sources are always appreciated.
2
votes
0answers
40 views

Doing “Hoiche Kedushah” for Shacharit [duplicate]

Possible Duplicate: Hechi Kedushah anytime? Do any posekim say that even in shacharit, one can do the "hoiche kedushah" if the minyan-goers really need to go to work, or are in a rush for ...
4
votes
1answer
122 views

How long does it take to become a kofer?

If a person for whatever reason momentarily has a thought which denies God, but then afterwards reaffirms his belief in Hashem, is that an act of kefira? Does a momentary lapse in belief constitute a ...
14
votes
3answers
311 views

How long can you say Asher Yotzar if you forgot?

If you forgot to say Asher Yotzar and remember a while later, is there a time limit as to when you are allowed to say it?
2
votes
1answer
220 views

Sitting on a toilet during Tisha B'Av

May one sit on a toilet during Tisha B'Av? Are there any requirements that he hurry up as much as possible?