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10
votes
1answer
295 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?
5
votes
1answer
260 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 ...
12
votes
4answers
284 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 ...
10
votes
2answers
179 views

ribis and foreign currency conversion

I am afraid that I have only recently started to study this kind of thing and I completely unlearned compared to most of the contributors here, so I apologize if my question is somewhat ...
74
votes
3answers
2k views

Implications of Samoa skipping a Friday

This week, the island of Samoa is switching time zones, causing it to skip from Thursday directly to Saturday. Out of simple curiosity, what implications might this have on any Jews on the island? ...
8
votes
1answer
742 views

Four Holy Cities

I have often seen reference to the Four Holy Cities: Jerusalem, Hebron, Safed and Tiberias. What is the earliest source to reference this? Why these four cities? Has there ever been a different count? ...
11
votes
2answers
141 views

Did Shuls in Europe display their countries' flags prior to the holocaust?

Prior to the holocaust, did Shuls in Europe display their countries' respective flags? Do Shuls currently display their countries' flags? When did it start and why?
10
votes
3answers
361 views

Pre-1948, what flags were found in American synagogues?

Certainly throughout the 1970s and 1980s, it was not at all uncommon to see an American synagogue where the Aron Kodesh was flanked by American and Israeli flags. Pre-1948, was there just an American ...
10
votes
4answers
568 views

How to reconcile Biblical Flood story vs science and history?

Genesis spends a good deal of time -- Chapters 6 through 11 -- discussing the "mabul mayim", a flood that killed all humanity outside the ark. Here is what the Torah's text says about the universality ...
6
votes
1answer
125 views

When is “vesain tal umotor” said in Australia?

When is "vesain tal umotor" said in the Southern Hemisphere eg Australia?
9
votes
4answers
1k views

How precisely oriented towards Jerusalem should we face for praying?

I know we're supposed to face towards Jerusalem when praying/davening. For most of us in the Europe or the Western Hemisphere, we're used to facing "Mizrach", east. How precise should we be? If ...
7
votes
1answer
300 views

What are some understandings as to how animals populated different continents after the flood?

What are some understandings as to how animals populated different continents after the flood? Did some species of animals survive the flood? Or are we to understand that the flood only affected the ...
5
votes
1answer
130 views

Rivers in Genesis

I will be upfront about it - I am skeptical of our tradition about the Torah being given on Mount Sinai, and suspect that Judaism is a man-made religion. It's not that I don't want Judaism to be true, ...
16
votes
2answers
162 views

Hagalah in Denver?

In high-altitude cities, water boils at a lower temperature than the standard 212 degrees Farenheit. For example, in Denver the boiling point is about 203 degrees. Can one kasher utensils with hagalah ...
11
votes
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 ...
11
votes
1answer
111 views

Facing Yerushalaim during Kaddish

Must one face Yerushlaim (or the Hechal) when reciting Kaddish,the way one should for Amida? This seems to be generally practiced; does it have a source in the Shulchan Aruch or achronim or is it a ...
9
votes
3answers
106 views

Does learning Torah or doing Mitzvos protect others from enemies?

I know from the gemarah Bava Basra 7b-8a that learning (being a talmid chacham) or doing many mitzvos can protect oneself from enemies (such that when a city is taxed for a wall that was built to ...
6
votes
0answers
85 views

Is Juneau, Alaska — surrounded by natural barriers — a natural eruv

I recently visited Juneau, Alaska. It is a small city of 35,000. The city limits are quite large, however -- 3,225 square miles -- but much of this area is separated from downtown Juneau on Douglas ...
6
votes
2answers
167 views

Walled cities for Purim other than Jerusalem

The holiday of Purim is unique in that some locations celebrate it on different days. The rule is: if the city was walled at the time of Joshua's conquest of the Land of Israel then they celebrate on ...
6
votes
2answers
296 views

What's the history of Hekhalot/Heichalot/Heikhalot literature?

There is a field of study, which focuses on the Hekhalot literature. However, the internet gives conflicting information about them. For example, some state that they were written by the early ...
5
votes
0answers
44 views

Tourist guides for Kohanim

I recently saw a tourist guide for Kohanim, published online by the Chicago Rabbinical Council, listing certain Chicago tourist sites that are, and are not, problematic for Kohanim. Are there any ...
5
votes
1answer
72 views

reprinting of tanyas in many locations, why?

Why do Lubavitcher חסידים print “ספר של בינונים" in many different places — something about outward expansion of wellsprings?
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 ...
5
votes
3answers
476 views

Where is the Sambatyon?

Where is the Sambatyon? Is there really a river somewhere that throws stones all week and rests on Shabbos?
4
votes
3answers
98 views

Did God know the holy place right away during the exodus?

Around the time of the exodus, the Torah says (Deut. 12:11, in Rabbi Kaplan's translation): there will be a site that God will choose as the place dedicated to His name. It is there that you ...
4
votes
1answer
505 views

Hebrew Havarah?

Similar to this question Different parts of Eastern Europe had different dialects. For example, Ukrainian, Polish and Hungarian Jews pronounce a "Shuruk" as a EE, or a Komatz as an oo (so Boruch ...
3
votes
1answer
315 views

Sources for the world being round in the Gemara

Can anyone bring me proofs from the Gemara that proves the world was round-and that this was known 2000+ years ago? I have looked around and I can't seem to find any sources which prove this.
3
votes
2answers
58 views

Where is הגר? The country, not the person

In the מטה אשר (commentary to שמלה חדשה), it is recorded that it was the custom of Jews in "מדינות מלכות רוסיא וגאלציא וגם במדינת הגר בקהילת היראים" to use the sefer שמלה חדשה to learn the halachos of ...
3
votes
1answer
78 views

“פְּנִיאֵל” and “פְּנוּאֵל”

Is the פְּנִיאֵל of BeReishis 32:31 the same as the פְּנוּאֵל of 32:32? If so, why the change in term used to refer to it? If not, is there a story behind the two places with such similar names?
2
votes
0answers
69 views

Where are the borders of Eretz Israel nowadays? [duplicate]

Possible Duplicate: What are the Halachic boundaries of Eretz Yisroel? How far into Jordan/Lebanon/Syria/Egypt is still considered "Halachic" Eretz Israel?