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

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1answer
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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
85 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 ...
7
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1answer
502 views

Davening after the zman

Can someone please explain the halachot for someone who wakes up after zman kriat shema? After zman tfillah?
2
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0answers
273 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 ...
4
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1answer
259 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 ...
1
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1answer
92 views

The “Shir Hamaalos” etc before Maariv: is it said before nightfall?

The German nusach contains the following explanation of the “Shir Hamaalos” etc said before Maariv. When ערבית is recited after nightfall, it is preceded by the following פסוקים, which speak of ...
4
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1answer
106 views

Kohanim on first shift can't say Shema'?

The first Mishnah in Berachoth quotes R' Eli'ezer's opinion that the time for reciting Shema' in the evening extends only until the end of the first shift (the Kohanim would serve in the Beith ...
7
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2answers
556 views

Davening late rather than never?

If for some reason I am held up doing something until after the time that mincha must be done by and I have not davened mincha, is it better to daven mincha after the time it is supposed to be done by ...
5
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1answer
110 views

When do Sefardim start mourning in a year that Tisha B'av is postponed until Sunday?

As mentioned here, Sefardim observe the mourning period known to Ashkenazim as "The Nine Days" only during the week that Tisha B'av occurs. Tisha B'av falls out on Shabbat this year (5772), and the ...
7
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1answer
272 views

When do the restrictions of 3 weeks start when 17 Tammuz is on Shabbos?

When do the restrictions of 3 weeks start when 17 Tammuz is on Shabbos (e.g. this year)? Do they start motzei shabbos (already 18 Tammuz), since the 17 Tammuz is technically on shabbos or do they ...
2
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2answers
114 views

Why do we still blow shofar during mussaf?

The gemarah (rosh hashana 32b) asks why we wait until mussaf to blow the shofar and answers that the ruling enemies of the Jews mistook the shofar sound for a rallying war cry and forbade it. They ...
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3answers
670 views

Are there required “ritual/daily” prayers in Judaism?

I have a question about the daily prayers of Judaism. I noticed on my trip to Jerusalem that a lot of those practicing Judaism got up at a certain time in the morning on the plane and faced a wall and ...
5
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0answers
132 views

Late sunset times and Jewish observance

This question is distinct from other questions which ask how and when to begin Shabbat, etc. when there is no sunset. I am asking about places in which sunset occurs very late during certain times of ...
11
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1answer
218 views

Is all-night Shavu'ot learning as prevelant in the Southern Hemisphere?

In the Northern Hemisphere, Shavu'ot falls in the late Spring or early Summer. As a result, sunrise is relatively early, so learning "all night" and then praying the morning service at the earliest ...
2
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1answer
83 views

How do I calculate the latest time to start the third Shabbos meal on erev Yom Tov?

From myzemanim.com for where I live, for this Shabbos, erev Shovuos, the “sho’o zemanis” (Proportional Hour) Gra & Baal Tanya is 1hr:22mins. Nightfall - 3 Stars is around 10:30 pm. Shkia is ...
5
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1answer
224 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]), ...
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2answers
128 views

Why is the world round? [closed]

Why does shabbat start at different times at different places? Crossing a time zone does not conjure up a time warp, so how can it be Friday in one place, and Shabbat in another? It just doesn't ...
4
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2answers
141 views

Answering amen to a post-nightfall mincha

If I come to shul early for maariv and it is already past nightfall and there is a minyan that starts davening mincha am I allowed to answer amen to chazaras hashatz? Sources please.
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2answers
375 views

If borchu of maariv is before plag hamincha and the amida after plag, is this “tartei desasrei” – two contradictory acts?

A minyan starts to daven mincha before plag hamincha with the intention to daven maariv after plag hamincha. In the event, mincha is too fast and the borchu of maariv is before plag hamincha while the ...
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0answers
50 views

Shkiya/Netz behind a mountain [duplicate]

Possible Duplicate: Commencing Shabbos If one is located behind a mountain, what time is Shkiya or Tzeis? Is it when the sun sets below the "calculated" horizon (when the sun should set ...
5
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3answers
206 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
519 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 ...
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0answers
114 views

On a boat in the Arctic Circle [closed]

I and my wife will be spending Shabbat Hagadol (this year the 31st of March) on a ship. The evening before the ship will be leaving one of the more northern ports of Norway, and navigating through ...
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2answers
691 views

40 minutes offset for candle lighting?

Several Zmanim apps are giving a choice on my "candle lighting offset". The default here is 40 minutes instead of the usual 18 minutes I've heard. Why 40? Why do I even have a choice? Does the fact ...
3
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0answers
58 views

When is the earliest time one can pray in the morning? [duplicate]

Possible Duplicate: Davening Shacharis? When is the earliest time one can pray (the Shemone Esre) in the morning? Reciting Keriath Shema' has its own rules, and I understand you may need ...
7
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1answer
137 views

Does praying at the wrong time count for anything?

(This question might be a prerequisite to be able to answer this question.) Does praying at the wrong time count for anything? What does it accomplish? Sources, please.
3
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1answer
210 views

Variant on: Is it better to Daven “too early” with a Minyan, or to Daven alone at the right time?

In many communities there is a regular weekday morning Minyan and the "working-person's" Minyan, which technically Davens too early according to most opinions, but which is better than nothing, ...
2
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3answers
221 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 ...
3
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1answer
210 views

Mincha started before sheki'a, extended beyond it. What about davenning maariv straight after mincha?

A minyan starts to daven mincha before sheki’a with the intention to daven maariv after sheki’a. In the event, mincha extends beyond shki’a. There are IMHO three possible cases: They start but do ...
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2answers
949 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 ...
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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 ...
3
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2answers
149 views

Marriv before/after lighting the Menorah

Does one need to Daven Marriv before lighting the Chanukah Menorah or can you light before davening? Why?
5
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3answers
320 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 ...
8
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2answers
483 views

Magen Avraham - Practically no Plag HaMinḥah or just no Plag HaMinḥah in winter?

Calling all science and math-oriented Judaism.SE-ers! According to the website MyZmanim.com, today's Halachic times where I work are as follows (only a handful of times are shown because the question ...
6
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1answer
122 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 ...
5
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1answer
119 views

What is “חצות האמצעי”?

While researching an answer to this question I stumbled across the term "חצות האמצעי". What does it mean? Does it refer to halachic midday, i.e. halfway between netz hachama and shkias hachama, or ...
11
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1answer
468 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 ...
11
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3answers
231 views

Who distributed the zemiros across the three meals?

Any book of zemiros whether it's a siddur, birchon, or what have you divides the zemiros between the three meals. Sometimes the rationale is obvious as with the tikkunim which are written for each ...
4
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1answer
238 views

Why daven ke-vasikin on Hoshana Rabbah?

I know that some people specifically daven ke-vasikin on Hoshana Rabbah. Is this only because they stayed awake all night and thus want to daven as early as possible, or is there a more direct and ...
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3answers
250 views

Earliest time to make an Eiruv Tavshilin

When's the earliest time one can make an Eiruv Tavshilin on erev yom tov?
3
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1answer
81 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.
9
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2answers
346 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 ...
2
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1answer
447 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 ...
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2answers
702 views

How is Chatzos Halayla (Halachic Midnight) calculated?

It seems pretty easy to calculate from the get-go that the formula is something like this: # a halachic hour is one twelfth of the time between sunrise and sunset halachicHour = (timeOfSunset - ...
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3answers
288 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 ...
3
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3answers
214 views

Why do we call it “candle-lighting” time?

Since it is still permissible to do melacha (work forbidden on shabbat) including lighting shabbat candles until shki'a (sunset), which is 18 minutes (or 40 minutes in Jerusalem) following ...
1
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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 ...
5
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2answers
69 views

When can Melavah Malkah be eaten until?

When is the last time one can eat a meal on Motzei Shabbos and still have it considered Melavah Malkah? When is the deadline?
6
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2answers
186 views

Tachanun for Shacharis in the afternoon, on a day where there is no Tachanun at Mincha

If you start Shacharis Shmonei Esrei just before Chatzos, on a day where there is no Tachanun said at Mincha, and finished after Chatzos, do you say Tachanun?
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3answers
530 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 ...