2
votes
1answer
36 views

Biblical vs. Rabbinical end of Shabbat

This question states, "havdalah ends shabbat (for one who didn't daven ma'ariv)." But won't Shabbat end on its own at some point--specifically, at nightfall--even if we don't make havdalah nor daven ...
0
votes
0answers
32 views

Spices and candles before your zman

If one holds 72 minutes for shabbas to be over and they are staying by someone who holds 50 minutes and they make havdalla by 50 min can the 72-minute-people participate in their havdalla to fulfill ...
2
votes
0answers
36 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 ...
2
votes
1answer
121 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 ...
2
votes
0answers
73 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 ...
2
votes
1answer
191 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
votes
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 ...
5
votes
0answers
131 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 ...
2
votes
1answer
82 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 ...
0
votes
2answers
126 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
votes
0answers
112 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 ...
12
votes
2answers
669 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 ...
11
votes
1answer
462 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
votes
3answers
228 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 ...
3
votes
3answers
209 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 ...
11
votes
3answers
519 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 ...
4
votes
2answers
370 views

Can one follow Rabbeinu Tam time for beginning Shabbos?

Does anyone today follow Rabbineu Tam time for the beginning of Shabbos? Reading some tshuvas (e.g. Eretz haTzvi) it is clear this was widespread in Europe. If one has previously been accustomed to ...
5
votes
1answer
259 views

Shabbat in the arctic

If I were to travel to Barrow, Alaska in the summer, when there is no sunset, when should I light the Shabbat candles? (This is not a hypothetical question; I work remotely for an Alaskan corporation ...
10
votes
1answer
293 views

When does a day start/end in the far North/South?

As I understand it, a day in the Jewish calendar is from sunset to sunset. How is this handled if you are living so far north or south that you have long periods of daylight or darkness?
4
votes
1answer
552 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.
3
votes
2answers
168 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.)
10
votes
2answers
316 views

Latest shabbat not longest day…?

I was under the impression that the longest day was June 22nd, and yet, year after year- the latest time for candle lighting takes place about a week and a half after that. Intuitively, the latest ...
4
votes
1answer
102 views

Shabbos and Later Davening (Prayer)

Why on Shabbos do most people daven (pray) later than usual? (I seek an halachic answer.)
2
votes
1answer
124 views

Food on crock-pot done by when, when making shabbos early?

Normally, let's say I make shabbos at the usual time, shortly before sunset. If I want to leave food in the crockpot, I want to make sure it's cooked by sunset. Now what happens if I make Shabbos ...
7
votes
1answer
110 views

Candle Lighting Time: Why Then?

Why 18 minutes (or other minhagim). Where did these numbers come from?
12
votes
4answers
283 views

Commencing Shabbos: Shkiya behind a mountain

It is common practice nowadays for Shuls to publish the zmanim (times) to begin Shabbos (the Sabbath) and other activities. These times, it would seem, are based upon standard calculations of sunrise ...
15
votes
6answers
659 views

Halakhic International Date Line issues

According to halakha, where is the international date line? More specifically, I have heard that some people say you should observe Shabbat on Sunday in Japan & New Zealand and/or on Friday in ...