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

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6
votes
2answers
248 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?
6
votes
1answer
82 views

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 ...
6
votes
1answer
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 ...
6
votes
0answers
54 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 ...
6
votes
0answers
51 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 had ...
5
votes
3answers
169 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 ...
5
votes
3answers
490 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 ...
5
votes
2answers
740 views

Calculating shabbat candle lighting time

Is it possible to calculate the candle lighting time based on location and date alone? Assume all you have is a GPS, a watch and a calculator.
5
votes
1answer
247 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 ...
5
votes
2answers
364 views

Shacharis after chatzos

Is praying shacharis after chatzos (midday) permitted, and do you fulfill your obligation? If so, until when? Please give sources, preferably quoting the Mishna Berurah, Alter Rebbe of Lubavitch, or ...
5
votes
1answer
149 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 ...
5
votes
2answers
311 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 ...
5
votes
2answers
1k 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 - ...
5
votes
2answers
327 views

Bathroom or shema if you only have time for one?

If you wake up 5 minutes before sof zman kryat shema and you have to use the bathroom. Going to the bathroom when necessary is deorayasa (Shulchan Aruch 3:17) and so is saying the shema. Also there ...
5
votes
1answer
4k views

Last time for Kiddush Levanah

How can I calculate the last possible time to say Kiddush Levanah for a given month?
5
votes
1answer
320 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]), ...
5
votes
1answer
93 views

Mir Yeshiva and the Dateline

For a short while, the Mir Yeshiva was relocated to Kobe Japan at the outbreak of the Second World War. Since Japan is in question with the International Dateline how did the Rosh Yeshiva Pasken for ...
5
votes
0answers
25 views

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 ...
5
votes
0answers
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 ...
5
votes
0answers
163 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 ...
5
votes
0answers
138 views

Is mincha gedolah better [duplicate]

Possible Duplicate: Timing of Mincha Why do people wait to daven mincha later and not daven mincha gedolah?
4
votes
3answers
82 views

12 hours to the day, 12 hours to the night

Why is a day and night divided into 12 hours? Why not 10 hours? What is the significance of 12?
4
votes
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?
4
votes
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 ...
4
votes
2answers
229 views

Shachris in the Dark

When do people who live in places where it is dark for days Daven Shachris and put on Tefillin? Please provide a source (Mareh Makom).
4
votes
1answer
128 views

Mincha before lunch on the 8th day of Pesach (Chabad)

The Luach Kolel Chabad says it's customary to pray mincha before lunch on the eighth day of Pesach. Why?
4
votes
3answers
195 views

Preferable time to light Chanukah Menorah

What is the preferable time to light the Chanukah Menorah: after dark or before?
4
votes
2answers
422 views

What time is sunset?

Is sunset (Shkiya) the time the sun hits the horizon or when it sunk completely below it? What about sunrise?
4
votes
1answer
227 views

Alos Hashachar on a flight from Israel to Toronto

What time will a person cross alos hashachar (first light of the sun) if he is flying from Israel to Toronto on the night of the fast of the 17th of Tammuz? The flight leaves Israel at one in the ...
4
votes
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 ...
4
votes
1answer
222 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 ...
4
votes
3answers
874 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
votes
1answer
131 views

Finished Kriat Shema after the deadline

If I start the Shema before the zman but I finish the 1st 3 paragraphs after the alloted time, what is the halacha?
4
votes
1answer
456 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 ...
4
votes
2answers
155 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.
4
votes
1answer
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 ...
4
votes
1answer
228 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?
4
votes
1answer
114 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 ...
4
votes
1answer
308 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 ...
4
votes
1answer
381 views

Jewish Sunrise and Sunset

How can one calculate Jewish sunrise and sunset? I'm not necessarily asking for a formula. Just wondering if there's a difference between Halachik rise/set and what the world considers [e.g. science] ...
4
votes
1answer
77 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 ...
4
votes
1answer
127 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 ...
4
votes
1answer
111 views

Shabbos and Later Davening (Prayer)

Why on Shabbos do most people daven (pray) later than usual? (I seek an halachic answer.)
4
votes
0answers
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 ...
4
votes
0answers
56 views

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 ...
4
votes
0answers
118 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 ...
4
votes
0answers
139 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 ...
3
votes
5answers
2k views

Priorities: Mincha Ketana vs Mincha Gedola

Which timing of mincha is more important: mincha gedolah or mincha ketana? Why?
3
votes
1answer
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?
3
votes
2answers
288 views

Are there different shitos for when fasts end? What are they?

Are there different shitos for when fasts end? (Similar Motzei Shabbos, when some people wait 72 minutes past shkiya to do melacha, where other people wait less.)