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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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? ...
37
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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 ...
25
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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 ...
23
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4answers
1k 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 ...
22
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2answers
481 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
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3answers
536 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?
21
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3answers
725 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 ...
20
votes
1answer
358 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 ...
19
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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?
19
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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? ...
18
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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 ...
17
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2answers
429 views

Where did “shabat shalom” come from?

What is the source for the greeting "שבת שלום"? Where is it earliest attested in print? What does it mean?
17
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3answers
263 views

Will Tisha B'Av be pushed off in the future?

We have a tradition that Tisha B'Av will become a holiday in the time of Moshiach. Will that holiday also be nidcheh if it comes out on Shabbos?
16
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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? ...
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 ...
16
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3answers
667 views

Can you bowl on shabbos?

In the movie the Big Lebowski Walter explains that he is shomer shabbos and that he can't "roll" (meaning bowl) on shabbos. My question is, if he were able to get to the alley without violating ...
16
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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, ...
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 ...
15
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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
4answers
808 views

Lego on Shabbos

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

Escalator on Shabbos

Escalators: Are they allowed to be used on Shabbos or not? (and the reasons behind it)
14
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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
2answers
759 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
3answers
232 views

May a Katan (minor) perform Melachah (“work”) on Shabbath?

In my experience, I've noticed that many people take for granted that if one needs a Melachah to be performed on Shabbath, one may have a minor, especially one under the age of 3, perform what is ...
14
votes
3answers
480 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
392 views

How do you handle possible Shabbat issues when receiving a jury summons?

The last time I was summoned for jury duty it was mid-week in January, and I made a point of telling the lawyers during questioning that I would have to be home before sunset on Friday. They were not ...
13
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2answers
188 views

Lechem Mishneh by the Third Shabbos Meal

Is one required to have Lechem Mishneh by the Third Shabbos Meal?
13
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2answers
142 views

The custom of adding a candle for each child

Many people, including myself, added or will add a candle on Friday night for each child that is born. Where and when did this custom originate?
13
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2answers
319 views

Computer working on Shabbos

Can I leave my computer on downloading over Shabbos?
13
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2answers
380 views

Is it forbidden to wear a snap-brim Borsolino fedora on Shabbos?

The Talmud, at Shabbos 138b, presents the opinion that one may not wear a siyana -- which Rashi defines as a wide-brimmed hat -- on Shabbos if it has a brim that is one tefach (hand-bredth) wide ...
13
votes
4answers
384 views

What is the status of a pull-apart challah for “lechem mishneh”?

On Shabbat, we're supposed to begin the meals with two whole loaves - "Lechem Mishneh." According to Shmirat Shabbat KeHilchato as quoted in the article linked above, "If two loaves bake together in ...
13
votes
3answers
289 views

Using Post-its on Shabbos

Is one permitted on Shabbos to use post-it notes or adhesive page flags to mark content in a book for future reference after Shabbos? Would there be an issue with the adhesive or leaving the page ...
13
votes
2answers
304 views

Overhead projector on Shabbos?

A discussion came up with some guests over shabbos. One asked if one could use an overhead projector on Shabbos if it was turned on from before, i.e. could one put a new plastic sheet on it or not? In ...
12
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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 ...
12
votes
4answers
316 views

Are Twist-ties allowed to be used on Shabbos?

A twist tie is a metal wire that is encased in a thin strip of paper or plastic and is used to tie the openings of bags, such as garbage bags or bread bags. A twist tie is used by wrapping it around ...
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 ...
12
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5answers
418 views

using two plastic cups for Kiddush

I know making kiddush with a plastic cup is problematic because of requirements. I have seen people using two plastic cups: what is the source for this and is it legitimate?
12
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3answers
322 views

Does an Early Shabbos mean Early Meat before Tish'a B'Av?

If one makes an early Shabbos in the nine days, does that mean s/he can eat meat earlier?
12
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2answers
230 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, ...
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, ...
12
votes
2answers
185 views

If you realize you're carrying on Shabbat, what's the best thing to do?

I've heard that you should put it down on a makom patur while still walking. However, a true makom patur is tall and skinny, like a post, and therefore possibly difficult to find. I've also heard ...
12
votes
2answers
189 views

Ana B'choach - Private prayer or Sing-Along song?

Many people have the custom to recite the prayer "Ana B'choach" after the initial six chapters of Tehillim said in Kabbalas Shabbos and before "Lecha Dodi". Based on the fact that it references ...
12
votes
2answers
403 views

Cooking water on Shabas renders the pot non-kosher?

The halacha (SA OC 318) generally is that if someone cooks food b'mezid (on purpose) on Shabas then he may not eat it, not even after Shabas. Magen Avraham adds that the pot in which the food was ...
11
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4answers
2k views

Making seltzer/soda water on Shabbat or Yom Tov

Can a person make seltzer on shobbos or yom tov with something like sodastream?
11
votes
4answers
390 views

Clapping on Shabbos

Is one allowed to clap one's hands on Shabbos? Does it matter whether one is clapping to a beat or trying to get someone's attention?
11
votes
3answers
254 views

I heard not to say “Good Shabbos” after mincha. Is it true, and what defines mincha?

I heard from somewhere that, on Shabbos, one does not say "Good Shabbos" after mincha. I am not sure whether it's in a halacha sefer somewhere (I tried looking) or just a minhag. First of all, is ...
11
votes
3answers
579 views

Inviting a non-observant Jew on Shabbat or Yom Tov

Can I invite a Jew for a meal on Shabbat or Yom Tov if I know they will drive to my house?
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 ...
11
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3answers
225 views

Are souls in Gehinom (purgatory) spared from suffering on Yom Tov?

The Zohar (quoted here), says that the souls that are undergoing the painful cleansing process of Gehenom (purgatory, hell, see here), are given respite during the 24 hours of Shabbat. This idea is ...
11
votes
4answers
508 views

Shoveling snow on Shabbos

Regardless of snows muktza status on shabbos, is there an issue in shoveling snow from a paved walk? At worst: If snow is muktza, you are doing tiltul min hatzad letzurach davr mutar since you need ...