2
votes
0answers
72 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 ...
4
votes
0answers
70 views

Geographic size of an Eruv

Inspired by Is Juneau, Alaska -- surrounded by natural barriers -- a natural eruv Is there a maximum square mile or square kilometer area that may be enclosed by an Eruv? (sources)
5
votes
0answers
76 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 ...
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 ...
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 ...
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? ...
5
votes
2answers
74 views

Are there any eruvs that include both sides of a US Interstate Highway?

Are there any eruvs that include both sides of a US Interstate Highway? I assumed this was halachically and/or logistically impossible. Is that correct? Can anyone prove this wrong by (groan) ...
2
votes
1answer
217 views

Eiruv in Manhattan?

There are two ways one could build an Eiruv on an island: One build walls, Tzuras Hapesachs, etc. One relies on the "natural" walls. This hetter applies only if The ocean does not bring up ...
5
votes
1answer
257 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
291 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
3answers
467 views

Where is the Sambatyon?

Where is the Sambatyon? Is there really a river somewhere that throws stones all week and rests on Shabbos?
11
votes
4answers
277 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 ...