Linked Questions

0 votes
2 answers

Six month daytime duration

In the Beresheit account of Creation, a day begins at sundown and ends the next day at sundown. But we know closer to each of the Earth's poles, an actual day can last up to six months. The sun rises ...
Ephraim's user avatar
  • 289
16 votes
1 answer

Time for morning prayer when flying over Greenland and seeing the sun rise twice

Last year I flew from Tel Aviv to Los Angeles. The flight leaves at night (1am) and, in the winter, lands when it is still night (630am). However during the flight, over Greenland, one sees the sun ...
mbloch's user avatar
  • 53.1k
8 votes
1 answer

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 ...
Ronen's user avatar
  • 389
8 votes
1 answer

Call for Halachic Dateline Source(s)

OK, we've got some discussion going on about issues affecting life within the gray zone of the Halachic Dateline and the International Dateline, but what is the original source of such a concept, if ...
Seth J's user avatar
  • 41.7k
7 votes
1 answer

False portrayal on an anonymous Q&A site

If one posts a question on an anonymous Q&A website there is an assumption that other users either do not, should not, or need not know the identity of the person. Thus all interactions between ...
WAF's user avatar
  • 23.8k
5 votes
1 answer

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 ...
Bochur613's user avatar
  • 4,667
4 votes
1 answer

How long does a vow made "until it will be Shavuos" last?

The mishnah in Nedarim 8:3 gives the following general rule: This is the rule: Anything that has a set time and he says, "until it reaches that time," he is forbidden until that time. If he ...
C_D's user avatar
  • 333
2 votes
1 answer

source for not paskening by tanach?

I recall hearing an idea that we don't pasken by tanach So, a rabbi or judge, nowadays, would pasken by the shulchan aruch and various repsonsa, and I suppose by the talmud. I don't know if the ...
barlop's user avatar
  • 2,117
0 votes
1 answer

What are the earliest starting and latest ending times for shabbat worldwide utc time?

I am writing an app and I want to block of one feature for the entire world for Shabbat. What would be the earliest time for shabbat to start anywhere in the world during the shortest day of the year?...
Ani Yodea's user avatar
  • 13.2k
0 votes
1 answer

Shabbos in Tahiti [duplicate]

I have a friend who is interested in going to Tahiti for a weekend. I was wondering if there are any issues with the halachic dateline and if he would have to hold 2 days of shabbos.
MNT's user avatar
  • 371
9 votes
0 answers

PTIJ: Can we change the liturgy for the day before the clock change? [closed]

The well-known custom for generations in holy congregations in the United States is to conclude services on the last Shabbat that's at least 27 days before Tekufat Nissan with the following formula, ...
Isaac Moses's user avatar
  • 48.2k
5 votes
0 answers

Holidays south of the equator

When Jews first started establishing communities south of the equator, they must have noticed that the holidays fell completely at the wrong times of the year. (For example, Pesach, referred to as hag ...
Popular Isn't Right's user avatar
4 votes
0 answers

What if two communities had two different Shabbat days?

Imagine this: One community, A, keeps Shabbat on what we identify as Saturday. However, another community, B, for whatever reason, actually keeps Shabbat on what we identify as Sunday. These two ...
rosenjcb's user avatar
  • 1,584
2 votes
0 answers

Keeping Two-day Shabbos in the Pacific Islands? [duplicate]

What's this I see about people in the Pacific Islands keeping two days of Shabbos? If it is true: Who, how, since when, and why?
SAH's user avatar
  • 19.9k
0 votes
0 answers

Israeli travelling in chutz la'aretz on second day Yom Tov (Hawaii)

Is an Israeli allowed to leave Israel motzei chag and arrive in America on what is second day chag in America? The flight would have a stopover in LAX (which I've read isn't an issue), but arriving ...
Elie Steinbock's user avatar

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