The seventh day of the week and a day of rest. Also use this tag for questions that apply equally to Yom Tov and Shabbat.

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17
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6answers
1k 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 ...
21
votes
3answers
3k views

Why can't electricity be manipulated on Shabbat?

Why can't we use and change electricity on Shabbat and YomTov? By this I mean why can't we turn on and off lights...? I'v heard Rabbis say that its because you can't complete a circuit on Shabbat, ...
23
votes
2answers
2k views

Riding the Subway on Shabbat

Assuming that there are no problems regarding paying for it (either you entered the system before Shabbat, or a non-Jew paid for you): What are the halakhic issue with riding the subway on Shabbat? (...
29
votes
3answers
1k views

May one use a computer script or robot to do something specifically on Shabbos/Yom Tov?

May one run a program or machine that will operate on Shabbos, either by setting a timer to activate once Shabbos has started, or by leaving it running continually? What if the action is one that is ...
13
votes
5answers
2k views

If the last day of Passover is Friday, may I eat chametz on the Shabbat right after?

This year, 5772, the last day of Pesach in Israel is on Friday. Is there any possible way that one could contrive to eat chometz on the shabbos immediately following Pesach?
13
votes
3answers
937 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 ...
17
votes
2answers
1k views

Bootstrapping problem: havdalah ends shabbat (for one who didn't daven ma'ariv) but lighting the candle is melacha?

This answer to a question about melacha before havdalah notes that in that situation one should say "baruch hamavdil bein kodesh l'chol" first. Does that apply to lighting the havdalah candle? I ...
12
votes
1answer
365 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?
46
votes
5answers
4k views

How do we know that the civil Saturday is the correct Shabbat?

Disclaimer: I am not a religious Jew, this question is only out of curiosity. I understand that observant Jews observe Shabbat from Friday night to Saturday. And from this question and this it seems ...
28
votes
7answers
3k views

Are you allowed to save a non-Jew's life on shabbos?

Is a Jew allowed to violate shabbos to save a non-Jew's life?
19
votes
3answers
715 views

Can I cause a Melacha to happen in a place where Shabbat has already started?

Can I cause a Melacha to happen in a place where Shabbat has already started? For example, if I live in New York, could I send a fax (causing the machine to print a document) to Israel on Friday ...
20
votes
2answers
1k views

Can an ecommerce website remain open on Shabbat?

This question is more general and doesn't apply specifically to ecommerce sites even though the discussion mentions them a little. Specifically, we know we can't do business on Shabbat. So what is ...
12
votes
3answers
2k views

Wearing Watches on Shabbat

What is a watch one can wear on shabbat? There are the analogue quartz watches with just one crown to adjust the time that (as far as I'm aware) most people would wear on shabbat (especially an ...
12
votes
3answers
796 views

Am I allowed to view a Kotel Cam on Shabbos?

If there is a camera in Israel that is operating on Shabbos, am I (a person living in America, where Shabbos only starts 6 or 7 hours later) allowed to view such a camera? I suppose the same could be ...
9
votes
2answers
1k views

Blowing bubbles on Shabbos

Is there any halachik problem with blowing bubbles on Shabbos? If so what melacha categories does it fall under? Does the age of the blower matter?
7
votes
3answers
9k views

Can a gentile go to Synagogue on Shabbat and what is forbidden on Shabbat for a gentile?

Is a gentile allowed to participate in Shabbat prayers in a Synagogue (of course he/she will not count for a minyan) if they do so in order to gain knowledge of Jewish customs for the purpose of ...
23
votes
6answers
6k views

Is it a discouraged or an unacceptable practice for a Gentile to keep the Sabbath?

According to Jewish Law and tradition, is it acceptable, discouraged or totally unacceptable for a Gentile to keep the Sabbath according to the regulations spelled out in the Torah and the Talmud and ...
11
votes
2answers
701 views

Is there any issue with using aerosols on Shabbos?

I've heard from many people that you shouldn't use aerosols (such as air fresheners, disinfectants or deodorants) on shabbos, usually citing some vague reason of changing the form from liquid to gas, ...
9
votes
3answers
1k views

Do you have to close your blog / website on shabbos?

Do you have to close your blog on shabbos?
6
votes
1answer
386 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 ...
14
votes
4answers
480 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 ...
97
votes
5answers
3k 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? ...
16
votes
3answers
2k views

Is Exercise on Shabbos Allowed?

Is one allowed to do exercises on Shabbos? Are any types allowed? Some examples of different types: Lifting weights or heavy items Jumping jacks Taking a walk (long, but without Techum issues) ...
14
votes
2answers
778 views

Are you allowed to benefit from an electrical appliance turned on during shabbos?

If a jewish person were to accidentally turn on the light in their bedroom, or if the television were accidentally turned on (for these purposes, let's assume that the person in question woke up, ...
9
votes
4answers
1k views

Walking by an Automatic Door on Shabbos

Is one allowed to walk by an automatic door on Shabbos, if he/she has no benefit of the door opening (i.e. not walking in)? How does this case compare/contrast to the walking by an automatic light on ...
3
votes
4answers
523 views

Source for heter for making tea on Shabbos

There appear to be a few issues with brewing tea on Shabbos, some of which have already been discussed here: Kli Sheini and Kli Shlishi (see here and here) Kalei Bishul A heter from Rav Moshe I'm ...
10
votes
1answer
321 views

BT emailing non-observant family on Friday afternoon

A given person is Shabbat-observant; his/her immediate and extended family is not. May this individual write an email to his/her family (who live in Israel) when it is before Shabbat (where s/he ...
4
votes
1answer
192 views

9 be-Av on Shabbos

When 9 be-Av falls on Shabbos, it is moved to the following Sunday. Are there any restrictions on Shabbos because of 9 be-Av (maybe tashmish is forbidden)?
1
vote
2answers
124 views

Learning non-jewish topics as a creative process during Shabbat

Is 'learning' non-Jewish topics a prohibited creative process on Shabbat? If so, on what grounds is learning Tanakh exempted? I read that the study non-Jewish subjects is banned or frowned upon, and I ...
30
votes
1answer
668 views

Setting aside Shabbat to answer the President's call

In an old MSNBC news story about Jack Lew, a Shabbat-observant Jew who was just appointed to be the new White House Chief of Staff, there's a story about his getting a call from President Clinton when ...
15
votes
2answers
432 views

Does everyone have to drink the Kiddush wine?

When making Kiddush, does everyone who is yotzei have to drink the wine or grape juice, or is merely hearing it enough? In my experience, it appears that Friday nights everyone is careful to drink, ...
11
votes
2answers
549 views

Reading secular books on shabbat?

Which prominent halakhic authorities permit (or forbid) the reading of secular books, magazines, and newspapers from Friday evening until Saturday nightfall? Why? Is it uvda dechol? What if it is ...
18
votes
5answers
2k views

Lego on Shabbos

Is Lego Muktzeh? and can Adults use it too?
15
votes
2answers
385 views

Computer working on Shabbos

Can I leave my computer on downloading over Shabbos?
12
votes
1answer
265 views

Why are some bakashot made on Shabbat?

As I understand it, we don't make prayers of request (bakashot) on Shabbat (cf Rambam Shabbat 30:12). For that reason, we omit so many liturgical requests because of shabbos - e.g., Avinu Malkeinu, ...
10
votes
4answers
991 views

Lecha Dodi (לכה דודי) - Last Stanza

At Boi Veshalom (in Lecha Dodi), we turn around to greet the Shabbos queen. Firstly, to which direction are we supposed to turn? Is it towards the door of the synagogue, always to the rear of the ...
8
votes
5answers
384 views

Learning History on Shabbos

Is there a Halachic problem to read and or learn the topic of History on Shabbos for enjoyment purposes? and why?
7
votes
6answers
221 views

Number of Candles at Lighting

How many candles should one light on Erev Shabbos and Yom Tov? And why that number?
7
votes
2answers
431 views

Can a Jew own a business that employs or pays atheist Jews on Shabbat?

I am an atheist who happens to be Jewish, and would like to work for a business owned by a religious Jew. Is he allowed to pay me for my work on Shabbat? What if the payment is global (e.g. 10% of a ...
16
votes
6answers
4k views

Making seltzer/soda water on Shabbat or Yom Tov

Can a person make seltzer on shobbos or yom tov with something like sodastream?
13
votes
6answers
766 views

Can you pick your nose?

Is it a violation of halakah to pick your nose (unrefined act, possibly a violation of being a holy nation)? Would there be a difference in halakah if it were the sabbath (possible violation of ...
11
votes
4answers
544 views

In regards to writing, can soda bottles be opened on Shabbos?

Specifically, when the writing - such as an expiration date - is printed in dot matrix style across the line between the bottle cap and the bottle cap's ring, what are the issues involved in opening ...
8
votes
4answers
2k views

Is it permissible to open soda cans on shabbos?

What is the halacha regarding opening soda cans on shabbos? I have heard that according to the ones who hold that you can open it, if I would ask that person to open it for me, I would need him to ...
5
votes
4answers
610 views

Walking past motion detector/sensor activated lights on Shabbat

What can you do if you inadvertently set off a motion detector that turns on a light on Shabbos - Can you keep walking? If I have one do I have to shut it off before Shabbos?
5
votes
2answers
217 views

Opening bottles and creating a Keli on Shabbath

Does opening a new bottle create a new Keli, such that it would be prohibited on Shabbath?
26
votes
2answers
689 views

Can a gentile break shabbos only on a Rabbinic level?

A non-Jew is forbidden from observing Shabbos. When someone is in the process of converting, we advise them to keep the entire Shabbos besides for doing one forbidden activity. A common practice is to ...
11
votes
1answer
513 views

What constitutes a shinui?

I was recently taught the concept of a shinui to be "something done in a way that is unusual compared to the norm in one's area of residence", with respect to the permissibility of actions done on ...
28
votes
3answers
3k views

Forbidden actions and the role of non-Jews

The question I am to ask is related to personal experience I've had but can be easily broadened. I am really asking for the sake of broadening my knowledge, and I apologize if any part of my question ...
28
votes
4answers
3k views

bicycle on Shabbat?

Is riding a bicycle on Shabbat permitted within an eiruv, being ridden only on pavement (so no unintended plowing), for transportation and not exercise, and with the understanding that repairs aren't ...
20
votes
6answers
3k views

Is using a (non-touch-screen) Kindle on Shabbat permitted?

A Kindle is an e-book reader that uses "e-ink" rather than an LCD screen. It has physical controls to turn pages. (This question is not about the newer ones with touch screens.) If left unused it ...