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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29
votes
3answers
965 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 ...
15
votes
6answers
696 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 ...
18
votes
3answers
2k 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, ...
14
votes
2answers
783 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 ...
20
votes
2answers
1k 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? ...
10
votes
1answer
302 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?
8
votes
3answers
991 views

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

Do you have to close your blog on shabbos?
11
votes
2answers
552 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, ...
16
votes
3answers
616 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 ...
13
votes
4answers
343 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 ...
12
votes
3answers
639 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
4answers
502 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?
7
votes
2answers
4k 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 ...
20
votes
6answers
3k 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
3answers
559 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 ...
5
votes
1answer
279 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 ...
11
votes
4answers
465 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 ...
26
votes
7answers
2k 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?
14
votes
2answers
565 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, ...
18
votes
3answers
447 views

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 afternoon, before it is Shabbat for me, but after Shabbat has started there?
15
votes
2answers
343 views

Computer working on Shabbos

Can I leave my computer on downloading over Shabbos?
10
votes
1answer
173 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
2answers
306 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 ...
8
votes
5answers
311 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?
8
votes
4answers
758 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 ...
17
votes
5answers
522 views

Why do music tapes and CDs warn about playing on Shabbos?

I have seen written on almost every music CD and Cassette Tape that I have in my house the line: Please do not play on Shabbos and Yom Tov I've always wondered if this is really necessary. Does ...
11
votes
2answers
879 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 ...
4
votes
1answer
163 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)?
2
votes
4answers
285 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 ...
80
votes
3answers
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? ...
26
votes
1answer
470 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 ...
41
votes
4answers
2k 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 ...
18
votes
6answers
2k views

Is using a 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 ...
11
votes
2answers
355 views

Who didn't recite Kabbalas Shabbos?

In this article, R. Michael Broyde writes that: Indeed, there have been prominent halachic authorities of the last generation who did not recite Kabbalat Shabbat. Can anyone provide examples of ...
15
votes
4answers
1k views

Lego on Shabbos

Is Lego Muktzeh? and can Adults use it too?
14
votes
3answers
653 views

Returning after driving someone to the hospital on Shabbat

If a man needs to be brought to the hospital on Shabbat due to a life threatening situation, another man may bring him there even by violating biblical Shabbat prohibitions (e.g. driving a car). Which ...
7
votes
2answers
338 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 ...
18
votes
3answers
739 views

Am I allowed to fly from Australia on Motzei Shabbos?

If I take off from Melbourne on Motzei Shabbos, I will hit the Date-Line, loose a day, and end up flying on Shabbos for a short period of time until the sun catches up again. Am I allowed to do this? ...
10
votes
1answer
244 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 ...
9
votes
1answer
436 views

Brewing fresh coffee for Shabbos with a time clock

May one prepare coffee ingredients in a brewer such as this one on Friday and set the timer to brew the coffee for 8:00 Shabbos morning?
9
votes
2answers
246 views

Blackout restoration on Shabbath - and your food

If you suffer from a blackout on Shabbath, but the power returns on Shabbath, and you have certain food elements cooking, is there a problem of either Nolad or some other issue relating to food that ...
8
votes
1answer
818 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?
8
votes
4answers
1k 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 ...
7
votes
1answer
207 views

Should separating pull apart Challah rolls be considered a forbidden act of completion?

I have heard many people state that using Challah* rolls that are baked in one unit to be pulled apart might be a problem for making Leḥem** Mishneh on Shabbath. In fact, there are rolls that are sold ...
6
votes
2answers
152 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? (I personally don't think so for a few reasons. However, someone posted this question a little while ago ...
5
votes
1answer
393 views

The single male and shabbat

Is a single male permitted to light the shabbat candles and say the blessing? And if so, how many candles? Do the rules change based on whether alone or in the company any single females?
5
votes
5answers
475 views

Are dreidels muktzah?

Are dreidels muktzah?
4
votes
2answers
891 views

What is the actual temperature of Yad Soledes?

What is the actual temperature of Yad Soledes?
1
vote
1answer
181 views

Singing Lecha Dodi before Shabbos

In every community I have been in there is a custom to sing Lecha Dodi, sometimes along with yedid nefesh or shir hashirim, during kabbalat shabbat. Are there any communities which do not sing lecha ...
14
votes
2answers
1k 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) ...