Skip to main content

Questions tagged [time]

For questions relating to time.

49 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
7 votes
2 answers
2k views

Proper day and time for a Shloshim Seuda

Per Chabad.org: "Traditionally, families gather on the eve of the Shloshim to share support, recite prayers and Psalms, and to give charity in the merit of the deceased. Many will also make a Siyum, ...
dan's user avatar
  • 287
5 votes
0 answers
69 views

Use of "חלק" measure of time in Halachah

"חלק", being a 1/1080 part of an hour, is used in calculating the New Moon. Rambam in הלכות קידוש החודש mentions that the original tradition of calculating the New Moon was forgotten and the system ...
Al Berko's user avatar
  • 26k
5 votes
0 answers
571 views

Is it better not to wear a watch on Shabbat?

I know it is permissible to wear a watch on Shabbat, and I have already perused this question about the particulars of what kinds of watch features are and are not permitted (ignoring the issue of ...
Jon Mitchell's user avatar
  • 1,507
5 votes
0 answers
105 views

Issues of lifnei iver with an inaccurate clock

Is there any problem with lifnei iver (giving bad information) in having an inaccurate clock that someone else will look at? I'll examine a few cases here. The clock is a few minutes off. I don't ...
Scimonster's user avatar
  • 23.2k
4 votes
0 answers
87 views

Tosefes yom tov: What's the maximum amount of time which can be added onto the end of Yom Tov?

The concept of tosefet Yom Tov lets us voluntarily extend the duration of Yom Tov past the time when it would normally end. What's the maximum amount of time which can be added onto the end of Yom Tov?...
unforgettableidSupportsMonica's user avatar
4 votes
0 answers
252 views

Source of a story about Rav Salanter and limited time to learn Torah

Is there an authentic source for the below story? The story is told of a man who asked Rabbi Yisroel Salanter a question. "Rebbi, I have only 15 minutes a day to learn Torah. What should I study?" ...
user avatar
4 votes
0 answers
74 views

The forgetful Shomer

With regards to some of the mitzvos(shema,sefirah,Chanukah lighting) one cannot sit down to a set meal until he completes the mitzvah once a certain time comes (30 min before shekiah or tzeis -its a ...
sam's user avatar
  • 42.2k
4 votes
0 answers
66 views

Dedications and Their Expected Life-Span

Several years ago I was doing an observation in a private secular pre-school. The school is housed in the former Talmud Torah building still owned by the synagogue immediately next door. (The student ...
JJLL's user avatar
  • 1,584
4 votes
0 answers
175 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 in-...
Y     e     z's user avatar
4 votes
0 answers
100 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".) ...
Yehoshua's user avatar
  • 16.1k
4 votes
0 answers
70 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.) ...
Yehoshua's user avatar
  • 16.1k
4 votes
0 answers
203 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 ...
Double AA's user avatar
  • 99.8k
3 votes
0 answers
62 views

What was the order of events, by hour, for each of the first 5 days of creation?

B"H There's a maamar chazal (Avos DRebbi Noson 1:8) that tells us the specific order of events on the sixth day by hour.. One hour, Hashem gathered Adam's dust from around the world, another hour ...
Awtsmoos--עצמות's user avatar
3 votes
0 answers
41 views

When were the decrees against the boys made?

In Parshat Sh'mot (Ex 1:15) Par'oh decrees that the boy children of the Hebrews should be killed. When was that moment in relation to the timeline of events in Egypt (the death of Yosef, the ...
rosends's user avatar
  • 38.3k
3 votes
0 answers
88 views

How frequently should Shatnez laboratories be checked?

Many cities have a laboratory where individuals can take their clothes to check if there is shatnez and if necessary to remove it. Often these laboratories are under the supervision of the local Beis ...
Avrohom Yitzchok's user avatar
3 votes
0 answers
100 views

waiting after meat, in contexts other than basar bechalav

Waiting after meat before milk comes from a concern of either the taste being still in your throat or particles still in your teeth and you are eating that with milk. Do we apply this in other cases ...
Heshy's user avatar
  • 9,234
3 votes
0 answers
103 views

Passover Seder for the infirm. Leniencies?

These questions have already been asked of a Rav. The object of asking them here is to be better informed to understand the sources used by and the answers given by the Rav. [1] I hope to make ...
Avrohom Yitzchok's user avatar
3 votes
0 answers
120 views

Info on Chanukah oil burning lengths

If I recall correctly, Chanukah lights must burn until at least 1/2 hour after nightfall (or after they are lit). I know that different types of oil burn faster or slower. Would someone know if there ...
DanF's user avatar
  • 70.7k
3 votes
0 answers
144 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 ...
preferred's user avatar
  • 483
3 votes
0 answers
91 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 ...
Fred's user avatar
  • 17.1k
2 votes
0 answers
95 views

Latest time for morning Sh’ma

What are the opinions for the absolute LATEST time for reciting the morning Sh’ma B’dieved, not l’chatchila. Obviously there are different opinions for what is the latest or not but what are they. ...
Kirk's user avatar
  • 4,816
2 votes
0 answers
37 views

Are there time parameters for when 10 people have to combine for Shemone Esrei?

Say you have a minyan, and when the Chazzan starts Shemone Esrei, 8 of the others are up to that point and begin as well, but the others aren’t yet up to Shemone Esrei. Is that a problem for the 9 ...
michael's user avatar
  • 858
2 votes
0 answers
42 views

If something was unusable/unavailable when I made "early shabbos", does it become muktzeh?

Normally an object is defined as muktzeh if, at the time Shabbos started (let's call it "dusk"), it was unusable. If an apple was on the tree at sunset and falls off the tree two hours later,...
Shalom's user avatar
  • 134k
2 votes
0 answers
74 views

How accurate do I have to be in performing mitzvos to time?

We can now measure time more accurately than in the past (see this question). What are the implications? I do not ask about situations where the time is critical for a Torah law where obviously one ...
Avrohom Yitzchok's user avatar
2 votes
0 answers
1k views

Where was Abraham born?

Where was Abraham born? There are a couple of confusing, and perhaps even conflicting verses in the bible about Abraham's original homeland. The general consensus is that Abraham and his family were ...
RandomUser's user avatar
2 votes
0 answers
90 views

Why is the actual length of Galus Mitzraim not mentioned in the Torah?

Chazal expound that the Jews were in Mitzraim for 210 years (see Rashi to Bereishis 42:2, and to Avodah Zarah 9a). Why is this figure mentioned nowhere explicitly, especially when other numbers are (...
DonielF's user avatar
  • 34.4k
2 votes
0 answers
119 views

How long did King David reign in Jerusalem before he brought the Ark there?

In the book of Samuel 2, Chapter 7 it says: They brought in the Ark of the LORD and set it up in its place inside the tent which David had pitched for it, and David sacrificed burnt offerings and ...
Fei23's user avatar
  • 1,757
2 votes
0 answers
107 views

What happened to the "notar" (left-over) of the 1st Pesach lamb?

Exodus 12:8: וְאָכְל֥וּ אֶת־הַבָּשָׂ֖ר בַּלַּ֣יְלָה הַזֶּ֑ה And they shall eat the flesh in that night. Exodus 12:10: וְלֹא־תוֹתִ֥ירוּ מִמֶּ֖נּוּ עַד־בֹּ֑קֶר וְהַנֹּתָ֥ר מִמֶּ֛נּוּ עַד־בֹּ֖קֶר ...
DanF's user avatar
  • 70.7k
2 votes
1 answer
255 views

If Earth stopped rotating, would we keep Shabbos?

A hypothetical question, but perhaps nonetheless illustrative of underlying principles : If by some method, humanity [or some non-human force] managed to stop the rotation of the Earth around its axis,...
user9806's user avatar
  • 2,266
1 vote
0 answers
60 views

"One who does not waste time, has time for everything" - learning on Shabbos

The Chida, in his Moreh BeEtzba (153) writes basically that on Shabbos, ones occupation should solely be Limud HaTorah. He says, כי לא נתנו שבתות וי״ט אלא ללמוד תורה. ומי שאינו מאבד הזמן יש עת לכל ...
Shmuel's user avatar
  • 10.5k
1 vote
0 answers
49 views

Quality of Sh'ma repeated in its proper time

Often, I find myself at a ma'ariv minyan that meets before "nightfall" and someone invariably makes the announcement that we should all remember to repeat the sh'ma after tzeit hakochavim. I ...
rosends's user avatar
  • 38.3k
1 vote
0 answers
35 views

Angels saying Shirah before Hashem - "daily" rituals?

Rashi on Gen 32.27 כי עלה השחר. וְצָרִיךְ אֲנִי לוֹמַר שִׁירָה בַּיּוֹם (חולין צ"א): כי עלה השחר FOR THE DAY BREAKETH, and I have to sing God’s praise at day (Chullin 91b; Genesis Rabbah 78:1). ...
Al Berko's user avatar
  • 26k
1 vote
0 answers
211 views

18 × 4 is not 72

MyZmanim says: According to most Poskim, it takes 18 minutes for an average person to walk a distance of one mil, and therefore 72 minutes to walk 4 milin.… Others say it takes 22.5 minutes to walk ...
msh210's user avatar
  • 73.4k
1 vote
0 answers
298 views

Custom to light yahrzeit candle on Erev Shabbos before the yahrzeit

Has anyone heard of a custom to light a yahrzeit candle not on the eve of the actual yahrzeit, but on the eve of the preceding Shabbos? I know that there are other customs for the preceding Shabbos, ...
SAH's user avatar
  • 19.9k
1 vote
0 answers
81 views

How much time do you have to start answering "amen yehe sheme raba..."?

How much time do you have to begin answering "amen yehe sheme raba..." after the person saying kadish reaches that point? Is it the same ruling as that for answer a regular amen for a bracha (i.e. the ...
Ani Yodea's user avatar
  • 13.2k
1 vote
0 answers
86 views

Laws of Mourning - Cutting Hair (w.r.t. Rav Ovadia z"l)

I was interested to know what practice the sons of Rav Ovadia z"l had followed in regard to cutting their hair after the passing of their father? I.e., for how many months did they leave their hair ...
Larry's user avatar
  • 511
1 vote
0 answers
86 views

Moshiach's Time of Arrival

Are there any sources that inform us of what time of the day Moshiach is supposed to come (e.g. morning or noon)?
Chiddushei Torah's user avatar
1 vote
0 answers
103 views

Time limit on repeating the shemona esra after forgetting to include an insertion

If a person forgets to say yaaleh vyavo for rosh chodesh during the shemonah esre, I understand they are supposed to go back and repeat the shemonah esre, this time saying yaaleh vyavo. Is there a ...
Dennis's user avatar
  • 684
0 votes
0 answers
30 views

What does it mean that judgement happens on Rosh Hashanah?

What does it mean that G-d judges people on Rosh Hashanah, if G-d is 'outside of time'? It's one thing to say that G-d performs an action (e.g. sends the Maan, talks to a prophet) that has a ...
user9806's user avatar
  • 2,266
0 votes
0 answers
147 views

Mitzvah to learn “day and night” - what are the time parameters?

The Rambam writes in Hilchos Talmud Torah: כָּל אִישׁ מִיִּשְׂרָאֵל חַיָּב בְּתַלְמוּד תּוֹרָה בֵּין עָנִי בֵּין עָשִׁיר בֵּין שָׁלֵם בְּגוּפוֹ בֵּין בַּעַל יִסּוּרִין בֵּין בָּחוּר בֵּין שֶׁהָיָה ...
user's user avatar
  • 849
0 votes
0 answers
75 views

When is learning "done"?

I learn with a group of people each week and we take turns leading. I need a lot of time to prepare and usually start a week in advance. I read and review multiple times during the week. If I am ...
rosends's user avatar
  • 38.3k
0 votes
0 answers
86 views

Time as a Spiral

@PixelArtDragon asked what rabbi originated the idea that time is a spiral. @PixelArtDragon said that the earliest they've found is Rav Natan Breslov who lived from 1780-1844 - can anyone locate that ...
barayehudit's user avatar
0 votes
0 answers
74 views

Do we use a fixed clock interval or the Sun to define the concept of "day"?

Follow up on the Earth stopping rotation question. What if instead of stopping, the Earth simply slowed down or sped up its rotation rate (as it has, historically)? Do we halachically count a ...
user9806's user avatar
  • 2,266
0 votes
0 answers
82 views

Hours for אהבה רבה on Shavuos; true or exaggeration?

In two recent shiurim I heard a story about a certain (don't remember the name) Yeshiva in pre-war Europe where they took (three?) hours to say אהבה רבה (the blessing before Shema) on the morning of ...
Avrohom Yitzchok's user avatar
0 votes
0 answers
187 views

May one say Yehi Ratzon prayers at any time?

Take the Yehi Ratzon recited before Hamapil (at least, in my nusach ashkenaz). May one recite it in the mornings, with the rest of his tefillos during Shemoneh Esrei, for instance? Or must it be said ...
DonielF's user avatar
  • 34.4k
0 votes
0 answers
82 views

Waking Up in Halacha

The first halacha in Shulchan Aruch debate: One should strengthen himself like a lion to get up in the morning to serve his Creator, so that it is he who awakens the dawn. Rema: At least, one ...
MosheRabbi's user avatar
0 votes
0 answers
70 views

Why does Hashem wait ten years before He passes a decree?

The Yalkut Shimoni (Chapter 620) says, "Hashem waits ten years before He passes a decree." Which is interesting, because it took ten years to find and kill Osama bin Laden! Why does Hashem wait ten ...
Chiddushei Torah's user avatar
0 votes
0 answers
44 views

Tzeddaka when traveling after maariv

It is recommended to give tzeddakah when embarking on travel, preferably in the morning because of the spiritual 'climate' of day. “One should not give [tzedakah] before the evening prayers [in ...
Daniel's user avatar
  • 1,113
-1 votes
1 answer
95 views

Volunteering to weed an academic free library: A mitzvah, or a waste of time?

Background Imagine that you go to a university which has ~55,000 students, including maybe ~1,500 Jewish students. Imagine, also, that you're male. Therefore, you're required to spend some time ...
unforgettableidSupportsMonica's user avatar