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

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2
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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 ...
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0answers
55 views

Eating after shkiah on a weekday

ב"ה I know one isnt allowed to eat after Shkiah on Shabbos. But what about a weekday? For instance what if one started a meal right before shkiah or during bein hashmoshis? My question is prompted ...
2
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0answers
39 views

Violating the Shabbat across time zones [duplicate]

Let's say I'm on my computer in the United States on a Friday afternoon, well before the sun has set in the US, but after it has set in Israel. If I access an Israeli website during this time, am I ...
3
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1answer
84 views

Optimal time for sleichos

What is the optimal time for the recitation of, nay the asking for, Sleichos? Please state whose opinion you are following or stating in your answer.
5
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2answers
237 views

Time for t'filah and you don't have a siddur: better to daven from memory or wait (and possibly miss the time)?

If the set time comes to daven (on a weekday, let's say) and you unexpectedly don't have a suitable (or any) siddur,1 does halacha call for you to wait (and possibly miss that amidah entirely), or ...
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0answers
124 views

Waking up early to eat before a fast

I was just wondering about the halachos of waking up to eat before a fast day. If one had intention, is it best to wake up, wash negal vasser, get dressed, go to bathroom say Al Netilas Yadaim, Asher ...
1
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1answer
59 views

What are the parameters concerning the use of the menorah lights

In the song Haneiros Halallu we say that the Chanuka candles are holy and we don't have permission to use them only to view them. I'd like to understand what that means. Do they attain this status ...
6
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1answer
131 views

Chanuka lighting: BeZman (at the best time) or Pirsumei Nissa (publicization of the miracle)?

Is it better to light candles at bezman, or later when there will be more pirsumei nissa? I find 4:30 (approx candlelighting time in NYC this year) to be too early to catch the regular "rush hour." Is ...
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2answers
130 views

Can there be an early 'Tzes HaChochavim' due to an eclipse?

When the sun is fully eclipsed the sky darkens and the stars appears as if it was night. Obviously, when this happens in the middle of the day, and the process of the moon slowly moving to occlude ...
0
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1answer
166 views

Wearing tallis and tefillin before z'man

About the time the clocks change for the season, there is always an issue at the early early minyan about when to put on tallis and tefillin. In a few weeks of the year, that time can come 5 - 15 ...
4
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3answers
170 views

Preferable time to light Chanukah Menorah

What is the preferable time to light the Chanukah Menorah: after dark or before?
2
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1answer
149 views

Tzeit HaKokhavim According To The Gr"a & Geonim

I have been investigating the various shitoth regarding sheqiah ("sunset") and sseth ha-kokhavim ("tzeit ha-kokhavim" or, when three stars are visible) and cannot find certain info regarding the ...
0
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1answer
64 views

Blowing Shofar at end of neilah before nightfall of Rabbeinu Tam

How do Chassidim and litvaks who hold Rabbeinu Tam's view of when nightfall is (later than most people's) blow shofar before that time after neilah?
4
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3answers
577 views

What are (all) the Havdalah halachic times?

What are all the halachic opinions for when to do havdalah? I'm writing a calendar and I want to provide all the options that people use. The ones I've seen are: 42 min after sunset ?? 72 min after ...
4
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1answer
111 views

Davening mussaf late on Simchas Torah and Yom Kippur

Shulchan Aruch Orach Chaim 620 says that one should daven Musaf before the seventh hour of the day on Yom Kippur even if it means leaving out Piyutim and Selichos of Shachris. Mishna Berura says to ...
5
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3answers
361 views

If it's your minhag to daven Hanetz, do you do so even without a minyan?

A friend once told me that if one's minhag is to daven with Hanetz (i.e., starting the Amida prayer at sunrise), and if there's no Hanetz minyan nearby, you should still daven Hanetz, even without a ...
1
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1answer
234 views

Baby born bein hashmoshos — when to make pidyon haben?

We know that if a baby is born bein hashmoshos we make the bris according to if the baby was born on the following day (i.e. if it was bein hashmoshos between Monday and Tuesday we would count 8 days ...
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2answers
238 views

Davening early Maariv first night of Shavuos

I have always heard that on the first night of Shavuos you should wait till Tzais HaKochavim for Maariv in order to have Temimos - 7 complete weeks of Sefira. Recently I heard that Harav Ovadia Yosef ...
3
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0answers
87 views

Disparate Zemanim in the same local community

Someone pointed out on a local email list that the ending time for Tish'ah BeAv is listed differently - significantly so - at various institutions in our local community. He noted the following times ...
3
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2answers
146 views

Starting Mincha right before Shekiya

According to those who pray Mincha only up to Shekiya (sunset), are you required to finish Mincha before Shekiya or just required to begin it before Shekiya? (Sources.)
2
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1answer
100 views

If you've missed Zeman Kriyas Shema, what should you do?

Suppose a fellow realizes at 9:16AM that the Gra Zeman Kriyas Shema was at 9:14 and he never said Kriyas Shema yet. Is there any gain by saying it immediately even though it is past the later Zeman ...
4
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1answer
310 views

If you didn’t put on tefilin at shacharis, when should you? [duplicate]

Possible Duplicate: Putting on tefillin late Someone was unable to put on tefilin when he 'davened' (prayed) shacharis. When should he put on tefilin — immediately when he has the ...
5
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1answer
2k views
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1answer
3k views

What is the earliest time to daven maariv during the week? [duplicate]

Possible Duplicate: When is the earliest time you can daven ma'ariv during the week? On Shabbos one could accept Shabbos early and thereby daven Maariv early. During the week, when ...
2
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0answers
81 views

Why is elevation not factored into zmanim in places like New York?

As you might already know, zmanim (for Shabbos, etc.) are determined by a number of factors, one being the elevation of the particular locale. But for some reason, if you check the charts and ...
13
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7answers
228 views

Zmanim accuracy before digital clocks?

How was time measured for the purpose of Zmanim before we had accurate clocks like we do today? Was it possible to accurately determine Chatzos (at night) or the different watches of the night? I know ...
2
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0answers
39 views

Language of Mishneh Brurah - Sefiras HaOmer and counting before Aleinu

Shulchan Aruch 489:1 says that after Maariv of the second night of Pesach we begin to count Sefiras HaOmer. The Mishneh Brurah there in note 2 says that one should count before "Aleinu" because "col ...
3
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2answers
69 views

Mishna, Brakhot 2a: When the kohanim enter…where?

Mishna, Brakhot 2a מאימתי קורין את שמע בערבין משעה שהכהנים נכנסים לאכול בתרומתן What is the author implying as the direct object of the verb נכנסים? In other words, from the hour that the kohanim ...
3
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5answers
1k views

Priorities: Mincha Ketana vs Mincha Gedola

Which timing of mincha is more important: mincha gedolah or mincha ketana? Why?
2
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1answer
307 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 ...
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4answers
2k views

Fast days and time zones

If I fly westward on a fast day, and travel through one/several time zone/s, thereby going back in (clock) time, must I then fast until it ends in my current time zone? What if I fly eastward, thereby ...
1
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1answer
203 views

time for shacharit and eating before this time

When is the obligation for Shacharit? Is this what is considered the morning? Is it dawn (alot hashachar), or the earliest time for tallit and tefillin, or sunrise (netz), or the latest time for ...
11
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3answers
619 views

When does somebody living in space (e.g. ISS) observe Shabbat?

I understand that Jewish astronauts have been advised to observe Shabbat by Cape Canaveral time, by analogy with traveling to a place that doesn't have daily sunrise/sunset where some rule you use the ...
9
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2answers
383 views

Polyphasic Sleep and Halacha

I recently read an article on polyphasic sleep and I'm quite interested in experimenting with it. The article advises the Uberman approach which advocates 20-30 minute naps every four hours, meaning ...
11
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1answer
532 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 ...
3
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1answer
187 views

Is visiting Antarctica permitted for a Jew?

Antarctica can have very short days or very short nights. As discussed elsewhere on this site, finding the right time to pray can be difficult. Is it permissible to visit places like this?
3
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0answers
84 views

Which kings stay in bed to the third hour of the day?

It says in the Gemara that we can say Shma until the third hour since that's when kings get up. What kings are we talking about? Jewish kings weren't around until much later, so Sof Zman Krias Shema ...
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2answers
1k 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 ...
5
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1answer
247 views

Do Sefardim keep Rashi time or Rabbeinu Tam time?

On one hand, the Shulchan Aruch rules in Hilchos Shabbos like Rabbeinu Tam (that one should add to Shabbos from shkiya [not that it's shabbos yet halachically, and one can do melacha at that point]), ...
4
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1answer
204 views

Getting up by alos hashachar — Halachically required?

That which the Machaber writes in the first siman of Shulchan Aruch: יתגבר כארי לעמוד בבוקר לעבודת בוראו, שיהא הוא מעורר השחר From here could one say that if one doesn't get up by alos hashachar ...
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1answer
617 views

Halachic justification to not pray the amidah before zman t'filah?

Some Chassidic courts are not makpid (careful) to daven the morning Amidah before z'man tefilah, although this seems to be a clear halacha. Are there any opinions they are relying on? I was once told ...
3
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1answer
235 views

Eating before shachris when up all night

This question has been asked (and answered) on this forum before, but my question is when is the cutoff after which it is considered eating before shachris (as opposed to eating AFTER maariv). ...
2
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1answer
209 views

eating before kiddush

Is there any time in the early morning on Shabbat in which I can eat and drink something without any question of it being considered eating before davening and kiddush? For example, at 3, 4, or 5 ...
2
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0answers
333 views

Calculation methods for intermediate time of chanukah lighting

We know that there are those who light chanukah candles at sunset and other at tzeis but there are some poskim lighting between at an intermediate time, for example : Rav Moshe Feinstein, Rav ...
1
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1answer
82 views

Kabbalos Pnei Rabo

That which it says in the Gemorah (Rosh Hashana 16b) that one has a obligation of "kabbalos pnei rabo" (to go see ones rebbe) on holidays - when is the obligation? Is there an obligation every day, or ...
2
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1answer
523 views

Does one make Birkas Hatorah/Hashachar before alos hashachar?

As per this question, it seems apparent that one doesn't make the morning blessings until at least alos hashachar. However, in Rabbi Avraham Greenbaum's book "The Sweetest Hour: Tikkun Chatzot," on ...
2
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1answer
95 views

When should we light shabbat candles?

On page 188 of my סדור רינת ישראל (or p. 196 in this edition) the instructions for lighting shabbat candles begins as follows: כשהחמה בראש האילנות, מדליקים נר של שבת. My limited Hebrew has me ...
5
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3answers
226 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 ...
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3answers
325 views

Eating before davening Shacharis

Are there any accepted authorities of Halacha that permit a man to eat (i.e., "real" eating such as consuming cake or cereal) before davening Shacharis under "normal circumstances" (i.e., a healthy ...