Questions related to different times of day as they apply to Jewish Law.

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What is “Shtopp Zman”?

A prerecorded english language message of a local mikvah informs that the mikvah is open from an hour before Shtopp Zman (approximate phonetic spelling, as I do not know this phrase). The recording ...
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43 views

Ending Shabbat behind a mountain

Commencing Shabbos: Shkiya behind a mountain addresses the question of when Shabbat comes in when there are natural obstructions to the sunset. This question is according to those who follow the ...
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1answer
68 views

If Hell is paused on Shabbos, what time-zone do they pick?

This might seem as a naive question: If Hell is paused on Shabbos, what time-zone do they pick? Since there is a gate in Jerusalem, would it be it Israel time? If so Hell is not paused while Shabbos ...
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70 views

40 days at the Kotel

If someone is trying to pray 40 consecutive days at the Kotel, does beginning prayer one minute after sunset count for the day that's ending? For the day that's starting? Both? Neither?
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76 views

Is davening a “late” mincha in contradiction with counting an “early” sefira?

According to what Halichipedia states: According to most poskim, it is correct to wait until Tzet Hakochavim in order to count sefirat haomer; however, one fulfills his obligation by ...
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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 ...
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Saying Hallel Before Nightfall on the First Night of Pesach

In Shulchan Oruch Orach Chayim Siman 487 Sif 4 it is brought the minhag of saying Hallel in shul the first night of Pesach בליל ראשון של פסח גומרים את ההלל בצבור בנעימה בברכה תחלה וסוף ובן בליל ...
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Seudah Shlishit on Shabbat Pesach [duplicate]

I read in a local yeshiva's Pesach davening schedule a paragraph that says, "Se'udah Shlishit must be completed by 4:50 PM". The yeshiva is in the New York City area. The timing is significantly ...
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27 views

Latest time for various parts of korbanot

During the week, I often say korbanot after davening, generally in the car driving to work (there's not enough time in the car on the way to shul, and this way I have an uninterrupted block of time). ...
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62 views

time of kriat shma change nowadays

The time of kriat shma is learned basically from the pasuk "בשכבך ובקומך", meaning the time people sleep and the time people wake up. 2000 years ago people acted according to the daylight. Nowadays ...
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1answer
44 views

What time does shabbat start medioraita ( so issur of doing melakha = torah prohibition)?

I believe that shabbat, per the torah, doesn't actually start at Shkia and that this convention is a gezera to avoid a makhloket of the real start time. What are there parameters of this discussion? ...
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Time for evening prayer when flying eastward over Greenland and the sun doesn’t set?

(This is the “return" question for my question on the right time for shaharis when encountering sunrise twice in a day) In the summer, when flying from the East Coast to Tel Aviv on an afternoon ...
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492 views

Time for morning prayer when flying over Greenland and seeing the sun rise twice

Last year I flew from Tel Aviv to Los Angeles. The flight leaves at night (1am) and, in the winter, lands when it is still night (630am). However during the flight, over Greenland, one sees the sun ...
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57 views

R Yonah's position about saying Hashkiveinu before nightfall

The Talmud (Berachot 8b-9a) tell us that the Halacha is according to the opinion that, at least if forced to, one can fulfill his obligation for the night time reading of Shema after dawn before ...
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Why do all non-Torah-based fast days except Tish'a B'Av begin only at sunrise? [duplicate]

Yom Kippur is the only fast day explicitly mentioned in the Torah (i.e. - first 5 books). The others are rabbinical. Except for Tish'a B'av which begins at sunset of the 8th of Av, the others begin ...
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1answer
139 views

Alarm clock in place of a shomer

There is an idea that one can an appoint a shomer (guard) to daven maariv (shma) and some achronim extend this idea to lighting the menorah. What this does is allows one to do work and eat something ...
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What is considered to be night?

I have always understood the definition of "night" ("leilah") when the day is for sure over and we've passed through "bein hashmoshos" completely, is when there are 3 visible stars and "hiksef elyon ...
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49 views

Davening mincha after shkia (during “bein hashmoshos”) [duplicate]

I am familiar with the fact that there is a maklokes between poskim if one may daven mincha after shkia during "bein hashmoshos" (however long or what time one holds that to be.) However the opinions ...
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48 views

What prayers might be permissible or not permissible to pray before dawn?

I have a question that is similar to this one, but a little different. Like many people, I have a job that I currently have to be at (with location and time of year factored in) at around dawn. Hence, ...
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1answer
63 views

Start time of Jewish holidays: Exactly at sunset or some other time near it?

It's my understanding that Judaism defines the start of a day as sunset. However, on one of my calendars, several Jewish holidays are indicated as starting at sundown (approximate). Does the Jewish ...
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1answer
93 views

Do any Chasidim still accept Shabbos according to Rabbeinu Tam zman?

Apparently there is a story that Rav Moshe Feinstein asked the Satmar Rebbe to not have his followers begin shabbos with zman Rabbeinu Tam. Is there still a minhag amongst chasidim to take on shabbos ...
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Arvit/Maariv “after” Birkot HaShachar?

Generally one prays Arvit before Chatzot HaLayla; Also, one can say Birkot HaShachar as soon as right after Chatzot HaLayla (as far as I understand). I came across a "logical hole" that I can't find ...
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What time does a bar mitzvah come into effect?

At what halachic time does a boy having his bar mitzvah become chayav b'mitzvot? It seems to me that the most likely times are either shkia or tzeit.
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142 views

Is it mandatory to eat before solar noon on Rosh Chodesh?

"A person should make sure to eat before the sixth hour on Shabbos, since it is forbidden to fast on Shabbos". --A column by Daniel Yaakov Travis, citing Talmud Yerushalmi, Taanis 3:11. During ...
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425 views

Halachic Justifications for the Amshinover Rebbe

The current Amshinover Rebbe in Bayit Vegan, Jerusalem is known in the Jewish world as a man of great piety and for his great knowledge in Torah. He is also known to keep very different "Zmanim"- ...
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132 views

Can not obeying a Gentile's opinion of Shabbat time cause a Chilul Hashem?

My understanding is that Chilul Hashem - desecrating G-d's name can be caused when Gentiles have a negative opinion about Jews from observing wrong behavior, even if the behavior may be halachically ...
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81 views

Minyan, netz hachomah, and precision in time

There are halachic sources that discuss the importance of davening shemona esrei at netz (at sunrise), some of which state that it is preferable to daven at netz over davening with a minyan (at least ...
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1answer
267 views

Timing of Maariv / Havdalah at the end of Shabbos

Is it required that all elements of Maariv / Havdalah at the conclusion of Shabbos come after dusk, or may some part come between sunset and dusk?
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Which “shita” did the 5 rabbis in the Haggadah follow regarding the earliest time for morning Shema?

This section from the Haggadah: Pesach Haggadah, Magid, Story of the Five Rabbis 1: מַעֲשֶׂה בְּרַבִּי אֱלִיעֶזֶר וְרַבִּי יְהוֹשֻׁעַ וְרַבִּי אֶלְעָזָר בֶּן-עֲזַרְיָה וְרַבִּי עֲקִיבָא וְרַבִּי ...
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What is the difference between Sfardic and Ashkenazic calculations for the last time to eat chametz?

My community's luach (calendar) has 2 separate times for the last time to eat chametz on Erev Pesach: 10:09 for Ashkenazim, and 10:13 for Sephardim. How are these times calculated according to the ...
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245 views

Is there any evidence of time-zones in Talmud? (Tanaim and Amoraim only)

There are many verses in the Talmud, Midrash and Siddur that state that the sun and moon rise and set through gates in the firmament. This would imply that there are no time-zones. To this world view ...
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1answer
64 views

Zmanim in Space [duplicate]

If an astronaut is in space, how does he or she determine what time to pray? Does it revolve around where the spaceship is in relation to the sun, or does he just follow zmanim on Earth?
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Hallel before chatzos at seder

I was reading Rav Schwab On Prayer (page 541) where he says the following about the timing of parts of the Seder: According to some poskim, even the recitation of Hallel should be completed before ...
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2answers
96 views

Why are mincha gedola and ketana named that?

What is big about the earlier mincha time and what is small about the later mincha time? Also, why does the term plag mincha make sense? It would seem to be a term that refers to the point midway ...
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Customs regarding reciting the Shema after the allowed time

The latest time for reciting the קְרִיאַת-שְׁמַע is ׁשׇׁלוֺש ׁשׇׁעוֺת זְמׇנִיּוֺת (three variable hours) after sunrise. On Shabbat, many communities recite the morning Shema after this latest ...
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Determining times of Halachic import on a long flight

If I'm taking a long flight on an airplane on a day when permitted activities change at a certain point, e.g. with the start or end of a fast day, or with the start of the chametz prohibition kicking ...
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1answer
190 views

Said Kiddush Levana prior to three days after Molad - Does he say it again?

Be'er Hataiv 426:10 says that one can say Kiddush Levana as early as 3 days after the Molad. The Rambam - Hilchos Brachos 10:17 rules that one may say Kiddush Levana immediately after the Molad. ...
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213 views

A Jew is born in space. What time rules does he follow?

I know that the title sounds like a sequel to a TV show (Lost in space). But based on a statement in this article : The Rabbis therefore rule that a person should continue to follow the time ...
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1answer
145 views

Rambam, Shkiah, and Tzet HaKokhavim

In the dispute between the Geonim and Rabbenu Tam over the definition of nightfall, I have seen the Rambam claimed by either side - each claiming that in the Mishneh Torah he held like them. My ...
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1answer
65 views

Which Rishonim held of shkia/tzeis according to the zman of Rabbeinu Tam?

Which Rishonim held of shkia/tzeis according to the zman of Rabbeinu Tam? Ive heard the Shulchan Aruch (rishon/acharon) held of it, did he pasken like for starting shabbos?
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1answer
49 views

Why is the mitzvah of tefellin not by night?

Berachos discusses the importance of saying shema while wearing tefellin. Saying shema without tefellin is likened to bringing an incomplete sacrifice (Berachos, 14b). Similiary, one who washes his ...
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3answers
252 views

Choosing between Brachos on Shma and Sof Zman Kriyas Shema

Let's say Yosef woke up late one day, and by the time he was ready to say kriyas shema, it was two minutes before sof zman kriyas shema (the latest time at which a person could say kriyas shema). He ...
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59 views

What happens if I wrap my tefillin before the earliest time to wrap tefillin? [closed]

The earliest time to wrap tefillin in my town is 6:14 (for the next little while), on Monday and Thursday we start at 6:15. Is it OK if I finish wrapping my tefillin before 6:14? Do I still get the ...
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1answer
206 views

Is the Fast of Tevet considered a 24 hour fast?

Is the Fast of Tevet considered a 24 hour fast, or does it begin in the morning until early evening?
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84 views

Following more lenient opinions for fasting times

Related: Until what time in the morning may you eat on a fast day? There are different opinions about exactly when one must start fasting. For someone planning to wake up to eat, all agree that they ...
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2answers
55 views

If צאת is late, then פלג is late. When does one light the מנורה on Friday?

One cannot light the Chanuka lights before p'lag hamincha (Shulchan Aruch 672:1), not even on Friday evening (Mishna B'rura 679:2). If he did so, his lighting is invalid (Shaar Hatziyun 672:4). P'lag ...
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363 views

Chanuka candles if missed the night

If someone, not on purpose, did not light chanuka candles at night, should he light during the day? With or without a brocho?
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3answers
167 views

Flying During Channukah Candle Lighting

Obviously you cannot light candles on a plane, so if you can't light candles within the time frame is there any other activity one could do, which is permissible on an airline, that would fulfill the ...
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1answer
316 views

Sh'kiya alarm app (iOS)

Since the time-change, I have been rather off in calculating when I should say minchah. Is there an app which has an alarm for sh'kiya (or secular sundown timing if they differ) which is available for ...
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61 views

Pray hurriedly as soon as time comes for mincha/maariv arrives or wait but pray with more kavanah

Suppose one works in a non-Jewish office environment with rooms that can be used for prayer. Should one wait till one arrives at home and pray Mincha there at leisure or do it at work earlier when ...