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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16
votes
2answers
1k 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, ...
21
votes
3answers
722 views

May one use a computer script 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 ...
5
votes
3answers
739 views

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

Do you have to close your blog on shabbos?
19
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
260 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
2answers
443 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, ...
12
votes
2answers
544 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 ...
9
votes
4answers
485 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?
11
votes
3answers
443 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 ...
18
votes
6answers
2k 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
5answers
510 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 ...
5
votes
1answer
236 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
3answers
547 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 ...
11
votes
4answers
255 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 ...
5
votes
2answers
3k 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 ...
13
votes
2answers
318 views

Computer working on Shabbos

Can I leave my computer on downloading over Shabbos?
12
votes
2answers
403 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, ...
10
votes
2answers
269 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 ...
16
votes
5answers
432 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 ...
15
votes
3answers
309 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?
14
votes
3answers
479 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 ...
11
votes
4answers
433 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 ...
11
votes
2answers
584 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
156 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)?
69
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? ...
11
votes
2answers
332 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 ...
14
votes
5answers
1k 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. If left unused it enters a sleep mode, and you can return to reading by moving a ...
14
votes
4answers
806 views

Lego on Shabbos

Is Lego Muktzeh? and can Adults use it too?
8
votes
4answers
582 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 ...
16
votes
3answers
591 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? ...
9
votes
2answers
220 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
5answers
271 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
1answer
692 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
962 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
176 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 ...
5
votes
5answers
377 views

Are dreidels muktzah?

Are dreidels muktzah?
1
vote
1answer
162 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 ...
20
votes
1answer
357 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 ...
22
votes
2answers
480 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 ...
21
votes
3answers
527 views

The Fanatic Badge

Here on Mi Yodeya, one can earn the "Fanatic" badge for visiting the site for 100 consecutive days. Is it halachically possible to earn the fanatic badge in the Diaspora?
25
votes
3answers
2k 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 ...
19
votes
6answers
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?
15
votes
4answers
647 views

Why do people frequently change tunes toward the end of Lecha Dodi?

Frequently, perhaps even most of the time, I've noticed that the chazan (prayer leader) for Kabalat Shabbat switches tunes for the last four verses of Lecha Dodi. Is there any reason for this, or are ...
6
votes
1answer
160 views

Lechem Mishneh : holding challos procedure

What's the exact procedure for holding the challos in lechem mishneh. I'm not asking about the number of challos used or which one to cut (top / bottom) but how do we hold them : do we hold them ...
37
votes
4answers
1k 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 ...
12
votes
4answers
1k views

What do you do if you forgot to turn off the refrigerator light before Shabbat?

The first time you open a fridge on Shabbat, you notice the light is on. Your intention is to take out food, not turn on the light. Is closing the fridge a problem? Can I open it again? Is it better ...
11
votes
1answer
438 views

Kiddush between 6 and 7 o'clock - Which clock?

Many people hold that one should not make kiddush on Shabbos between the hours of 6 and 7. (Sources: Shulchan Aruch Harav and Taamei Haminhagim, (who, in turn, bring a Maharil, a Magen Avraham, and a ...
11
votes
2answers
229 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, ...
9
votes
0answers
215 views

Mandatory evacuation on Shabbat: what can and can't you do?

A major storm hit New England starting this past Friday. While people knew this was coming and precautions were already in place, apparently (according to a news article I read tonight) some areas ...
7
votes
2answers
275 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 ...