Questions tagged [shabbat]

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
4answers
373 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 ...
16
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2answers
585 views

For how long must a Jew keep Shabbat before he can be considered Shomer Shabbat?

Certain Kashrut issues require (or may require according to some opinions) that a Shomer Shabbat Jew (not just any Jew) supervise cooking. For example, see here, and here. How is the status of Shomer ...
16
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4answers
480 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 ...
16
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2answers
378 views

What is the status of a Kli Shemelachto LeIssur that's only used for Pikuach Nefesh?

What is the status of a kli (object) whose primary use would be forbidden on Shabbos, but it is only used in a case of Pikuach Nefesh (danger to life, where all Shabbos restrictions become allowed) -- ...
15
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9answers
1k views

fish before meat - why?

To the best of my knowledge eating fish after meat has the same Halacha as eating meat after fish. You are supposed to eat a cracker and take a drink to separate between them. Why is it most common ...
15
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3answers
2k 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?
15
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4answers
758 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 ...
15
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2answers
755 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, ...
15
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5answers
1k views

Glow sticks on Shabbos

May one activate a glow stick on Shabbos? (In other words, is there a prohibition on activating the chemical reaction which produces the light in a glow stick?)
15
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2answers
1k 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, ...
15
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2answers
405 views

Why does almost every community say Lecha Dodi?

The prayer Lecha Dodi was composed in the 16th century which is relatively recent as the general Nusach of prayer was founded between 516 BCE – 70 CE by the Anshei K'neset Hagdolah, and its rare that ...
15
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3answers
1k 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 ...
15
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1answer
160 views

Can a “brain controlled” prosthetic be used on Shabbat?

New prosthetics are controlled by brain waves which seem to make the prosthetic an extension of the body in an "organic" way, in that we control all of our own limbs through the same brain waves and ...
14
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6answers
1k 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 ...
14
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2answers
2k views

Why is it ok to use tap water/toilets on Shabbos? Considering the source of the water pressure

Why is it ok to use tap water/toilets on Shabbos? Considering the source of the water pressure. The water pressure that enables the water to flow out of the tap has to come from somewhere. It is ...
14
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5answers
977 views

Can you leave video chat on over Shabbos?

Basically: Can you leave your computer with video chat on (to another person) on over shabbos? And what if there's also audio? For example a relative in the hospital, relatives that in a far away ...
14
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3answers
260 views

What if you undo a shabbat melacha?

If you plant a seed shortly before the end of shabbat (zoraya) and then un-bury it after shabbat, or you put an uncooked food into an oven and then take it out within seconds without it having baked (...
14
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3answers
5k views

Why shouldn't Gentiles keep Shabbat?

I know little about Judaism and it's a first time question, so please forgive any mistakes. According to this question non-Jews are forbidden from keeping Shabbat. What is the reasoning behind this? ...
14
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2answers
3k views

Voice-activated electronics on Shabbat

Does using a voice-activated device constitute a melacha? For example, Siri on an iphone or, a even a voice-activated light-switch. Does it make a difference if the computer doesn't take direct ...
14
votes
1answer
664 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 ...
14
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3answers
1k 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 ...
13
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11answers
2k views

What is the source not to eat the endpiece of the challah?

At the shabbos meal, why do some people (such as Yodeyan NBZ) not eat the end piece of the challah? Some people don't even just start at the middle, they avoid the end-piece altogether.
13
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5answers
3k 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 ...
13
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4answers
731 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 ...
13
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2answers
818 views

Would Adam and Chava have been permitted the tree of knowledge if they'd waited?

I've long been somewhat troubled by the episode with the tree in the garden, because it seems like it was necessary for man to acquire knowledge (how else could we enter a covenant and accept the yoke ...
13
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3answers
376 views

Why omit “Av harachamim” for the four parashiyos?

"Av harachamim" is a prayer asking God to recall those who died al kidush hashem. It was written in response to the First Crusade (and is thus said only in the Ashk'nazi rite). Because of its somber ...
13
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1answer
15k views

First trip to the synagogue! Tips and advice please!

I am preparing for my first trip to a synagogue after the High Holy Days. My first visit will be to a Modern Orthodox Synagogue. I have interacted with the Rabbi by email and we will be meeting ...
13
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2answers
600 views

Why does writing on Shabbos need two letters?

In order to transgress "writing" (כותב) on Shabbos, (m'd'oraysah) one must write two letters. (See for example here.) Why is this so? Shouldn't writing anything still be considered writing? For ...
13
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2answers
459 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 ...
13
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1answer
4k views

Puzzles on Shabbat

Is it permitted to put together puzzles on Shabbat with children? Does it matter what kind of puzzle it is (jigsaw vs. fit the piece in the wooden hole)? Does it matter if there are words on the ...
13
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2answers
576 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 ...
13
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1answer
291 views

What is the hallachic definition of randomness?

A new Shabbat-friendly technology, KosherSwitch, uses randomly timed light pulses to create various safeks, so that flipping the switch does not hallachically count as switching the light on, even in ...
13
votes
1answer
536 views

Is it permitted to use a thermochromic cup on Shabbos?

A novelty cup, see for example here, appears black when cold. When hot liquid is poured into it, the black changes to white and the previously concealed writing (underneath, so to speak) becomes ...
13
votes
2answers
855 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 ...
13
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1answer
444 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, ...
13
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1answer
325 views

Do we say “shabbat shalom” on Tisha b'Av that falls on Shabbat?

Yesterday I said "shabbat shalom" to someone and he said we don't do that on Tisha b'Av that falls on Shabbat. I thought that Shabbat trumps the day (and that's why we move the other observances). ...
13
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1answer
154 views

What is the origin of the naming of Shabbat Shira?

Related to this question (about the reason for the name), what is the source or origin of calling the Shabbat on which we read Shirat Hayam Shabbat Shira? We don't call the week on which we read the ...
13
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3answers
1k views

Lottery on Shabbos

Is one allowed to buy a lottery ticket if the lottery will be held on shabbos? Is it a problem of possibly making money on shabbos even though his chances are slim?
13
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5answers
608 views

Is it permitted to shoot an air gun on shabbos?

Is it ok to shoot an air gun (also known as a "BB gun") to knock over cups on Shabbos? I can't think of any reason to prohibit it.
12
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2answers
277 views

How can it be that David hamelech died on shavuos and Shabbos

The Gemara (Mesechet Shabbat) says that Shavuot can never fall on Shabbat. But it is known that David Hamelech was niftar on Shavuot and Shabbat?
12
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4answers
3k views

If my home is on fire on Shabbos or Yom Tov, what can I do?

G-d forbid, but let's say that my house catches fire either on Shabbos or a Yom Tov. Can I call 911 or must I find a non-Jewish neighbor to call? We have an eruv. Can I take my car keys, cell phone ...
12
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5answers
1k views

Can you fold a tallis on Shabbos?

What melachah is transgressed by folding a tallis? Is there some way to fold it which is permitted?
12
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7answers
2k views

Why do we link Shabbat with the Exodus from Egypt?

My four-year-old son asked me this right after Kiddush on Friday night (more or less verbatim): Why do you say "Mitzrayim" in Kiddush every week? "Mitzrayim" is a Pesach word! In other words, why ...
12
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1answer
418 views

Can I choose not to violate Shabbos for “pikuach nefesh”?

According to the Gemara (Yoma 85a-b) and Poskim (Shulchan Aruch, Orach Chaim 328, Rambam, Hilchot Shabbos 2 [English Rambam]), one is allowed to violate Shabbos in order to preserve his life. This is ...
12
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4answers
850 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?
12
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3answers
296 views

Flexibility in choice of verses for morning Kiddush

The morning Kiddush on Shabbat and holidays consists of one or more Torah verses followed by the blessing on the wine (or perhaps other beverage). I have seen in print and in practice various ...
12
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2answers
1k views

May a lady take a pregnancy test on Shabbos?

Are there any issues with taking a pregnancy test (non-electronic) on Shabbos?
12
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3answers
389 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 ...
12
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3answers
482 views

Chopsticks On Shabbos

Are you permitted to Break apart the Chopsticks to use them On Shabbos?
12
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2answers
408 views

Rice in a salt shaker

Is there allowed to be rice in a salt shaker on shabbat or yom tov? Background: I was under the impression that the answer to this question is no, as for something not to be considered בורר (...

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