Questions tagged [time]
For questions relating to time.
324
questions
29
votes
12
answers
2k
views
How can I make a long summer shabbat a delight?
Where I live, shabbat ends at nearly 10PM at the peak of summer, and I find it challenging to get to the end of that without starting to develop some negative feelings. I try to spend most of Shabbat ...
- 56.4k
27
votes
12
answers
4k
views
Why are women exempt from (many) time-bound mitzvot?
Women are generally exempt from time-bound mitzvot (Kiddushin 29a). I have heard two reasons for women being exempt from time-bound mitzvot and both seem problematic, so either there are additional ...
- 56.4k
26
votes
6
answers
5k
views
Moshe's age and the timeline of the exodus
Moshe was 80 when he approached Par'o before the makos, and the makos lasted a year, so he turned 81 in the Adar before the Jews left Mitzrayim. As he turned 120 in the Adar before the Jews entered ...
- 73.7k
25
votes
10
answers
4k
views
Time Travel and Judaism
Has time travel ever been discussed before in terms of Judaism? According to Judaism would (should) it be possible to travel through time?
- 38.5k
21
votes
3
answers
3k
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?
- 557
18
votes
4
answers
695
views
Chatzi LaHashem
I've been having this discussion with my friends and family about the Halacha of dividing Yom Tov into Chatzi LaHashem (half of the day devoted to prayer and learning) and Chatzi Lachem (half of the ...
- 181
17
votes
6
answers
1k
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 ...
- 23.7k
17
votes
3
answers
872
views
Eating out Friday night of Chanukkah
If one is lighting Chanukah candles inside (for whatever reason) relying on the publicizing to himself and his family, then what should he do on Friday night if he is eating out? Must he make the ...
- 97.4k
16
votes
4
answers
10k
views
When can you build the sukkah?
My wife and I love the holiday of Sukkot, as do many of our friends. We build the sukkah every year and have friends over for an evening meal, preferably on Shabbes - if someone else in our group of ...
16
votes
3
answers
655
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?
- 139k
16
votes
1
answer
298
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 ...
- 7,210
16
votes
1
answer
870
views
Time-frame for naming a newborn girl
I have heard many differing Minhagim as to the time-frame for naming a newborn girl. There are those that name at the first possible opportunity and some that wait till the second Shabbos. Many others ...
- 139k
15
votes
3
answers
4k
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?
- 139k
15
votes
4
answers
439
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 ...
- 70k
15
votes
2
answers
315
views
How is the story of the Torah being given told in the Torah itself?
How was the Torah (aka the Five Books of Moses) given if the story of the Torah being given is contained in these books?
In other words, the Torah tells the story - close to halfway through it - of ...
- 1,346
15
votes
4
answers
489
views
Intentionally using a grace period on a rental
I recently rented a bike for a few hours, and the person in charge of the rental told us that we have "X number of hours, and a 15 minute grace period," followed by the warning that if we don't return ...
- 19k
14
votes
3
answers
304
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 (...
14
votes
1
answer
194
views
If kings get up at 3 hours past sunrise, wouldn't they need some extra time to say Shma?
Mishna Brachot 1:2 gives the times for saying Shma in the morning.
מאימתיי קורין את שמע בשחרים: משיכיר בין תכלת ללבן; רבי אליעזר אומר, בין תכלת לכרתן. עד הנץ החמה; רבי יהושוע אומר, עד שלוש שעות, ...
- 23k
13
votes
2
answers
1k
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 ...
- 73.7k
13
votes
2
answers
1k
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 (...
- 97.4k
13
votes
3
answers
1k
views
Is there a "5 second rule" for foods becoming non-Kosher?
OK so I don't actually mean a 5 second rule. But is there an amount of time that it takes for something hot that comes in contact with a non-Kosher utensil or surface to become not kosher? For ...
- 868
12
votes
3
answers
679
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 ...
- 24.7k
12
votes
2
answers
2k
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?
- 41.5k
12
votes
3
answers
1k
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?
- 38.5k
12
votes
1
answer
1k
views
Where does the notion that the *entire* matza process must be done in under 18 minutes come from?
I've been going over the halakhoth for baking matzah, and even though I hear from almost every Rabbi I've asked that the entire process must be done in under 18 minutes, I can't find any evidence for ...
- 10.5k
12
votes
3
answers
5k
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 ...
- 465
12
votes
2
answers
276
views
Referencing Iron before the Iron Age
A guest brought up this question at the shabbos table, and no one had an answer.
In D'Varim 8:9 it says "...a land whose stones are iron...". The question this guest asked was: How is it that the ...
- 1,095
12
votes
3
answers
816
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 ...
- 7,723
12
votes
2
answers
167
views
Liability of substitute
If someone has an appointment, and arranges for a babysitter to come to watch his/her children while he/she goes to the appointment, and the babysitter doesn't show up, so the parent misses the ...
- 2,383
12
votes
1
answer
485
views
Rishonim saying Ester took place during the second bayis
Elsewhere on this site, avi cited sources to the effect that, contrary to the Bavli (M'gila), the events recounted in the book of Ester took place after the second bes hamikdash was built. Do any ...
- 73.7k
11
votes
3
answers
321
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.
- 47.2k
11
votes
2
answers
660
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 ...
- 21.1k
11
votes
1
answer
1k
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 ...
- 21k
11
votes
2
answers
2k
views
Using an oven timer on Shabbas
This is my first post here.
I'm fairly familiar with cooking on Shabbat, but I have a few specific questions.
I know there are issues with using the warming setting on an oven to keep food warm. ...
- 191
11
votes
1
answer
511
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 ...
- 73.7k
11
votes
2
answers
183
views
Is there a halachic time limit for sending an organization its charity box money?
Many Jewish organizations distribute tzedaka (charity) boxes. A few that I know tell people, "collect the money and at some point, empty the money and mail us a check."
Let's say someone leaves this ...
- 70k
11
votes
1
answer
2k
views
How hungry does a Jew have to be to eat non-kosher food?
I understand that Jews are allowed to eat non-kosher food in order to save their lives, source Sanhedrin 74a.
My question is, how long does a Jew have to be deprived of food, before he or she is ...
- 1,422
10
votes
4
answers
448
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 ...
- 41.5k
10
votes
1
answer
2k
views
How did Jacob manage to have 12 children in 7 years?
Did Leah manage to have 6 sons and 1 daughter in the space of 7 years or was it over a longer period of time?
In general it seems difficult to fit all of Ya'akov's children into a 7 year period. ...
10
votes
2
answers
6k
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 ...
- 7,418
10
votes
3
answers
1k
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 ...
- 5,398
10
votes
3
answers
670
views
Rav Moshe and Giving Your Time for Charity
I recall hearing that Rav Moshe Feinstein rules that one should donate a tenth of his time to learn with other Jews, in addition to the more commonly accepted 'tithe' of money. The only source I was ...
- 6,753
10
votes
2
answers
289
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?
- 2,873
10
votes
2
answers
626
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?
- 16.6k
10
votes
5
answers
473
views
Waiting Between Meat & Dairy According To The Geonim
It seems as though the Geonim - although disparate and diverse in their opinions on many issues - seem to be rather united on the understanding of the Gemara on the subject of waiting after meat ...
user3342
10
votes
1
answer
643
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 ...
- 38.5k
10
votes
1
answer
578
views
Davening schedule for someone with a night shift
The only way I can really convey what I'm asking here is to tell a [fictitious] story:
Chaim Yankel is a late-hour delivery driver for a company. Since he works before daybreak, his schedule is much ...
- 18.5k
10
votes
3
answers
520
views
Wearing a gold watch on shabbos without an eiruv
The halocho is a person may wear jewellery in the street on shabbos without an eiruv provided the reason why he is wearing it is for the adornment of it and not some other use. Therefore the poskim ...
- 5,966
9
votes
3
answers
1k
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 ...
- 16k
9
votes
4
answers
4k
views
Blessings on Birthdays
There is apparently a practice among contemporary Jews of giving out blessings on one's birthday. Is there any source for this in the Jewish tradition?
- 14.3k