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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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133 votes
4 answers
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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? ...
ESultanik's user avatar
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61 votes
8 answers
9k 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 ...
Fitri's user avatar
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43 votes
1 answer
2k 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 ...
Isaac Moses's user avatar
  • 48.1k
39 votes
6 answers
7k 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 ...
Monica Cellio's user avatar
33 votes
3 answers
5k 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 ...
RaphaelSP's user avatar
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33 votes
4 answers
3k 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 ...
HodofHod's user avatar
  • 21k
32 votes
3 answers
7k 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? (...
Shmuel's user avatar
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32 votes
6 answers
8k 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?
cookie monster's user avatar
30 votes
4 answers
3k 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 ...
Isaac Moses's user avatar
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29 votes
3 answers
6k 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 lights on and off? I've heard Rabbis say that its because you can't complete a circuit on Shabbat, ...
wizlog's user avatar
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29 votes
3 answers
15k views

Why is it permissible to flush a toilet on Shabbat?

I have been reluctant to ask this question on this website because it sounds so ridiculous, but as Hillel said in Avot 2:6 "one who is bashful cannot learn" so here goes... Why is it permissible to ...
Mike's user avatar
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28 votes
4 answers
3k 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 ...
Shmuel's user avatar
  • 10.5k
27 votes
7 answers
3k 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 ...
Sam's user avatar
  • 3,960
27 votes
3 answers
864 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?
user avatar
27 votes
2 answers
1k 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 ...
Michoel's user avatar
  • 19k
26 votes
6 answers
5k views

Lego on Shabbos

Is Lego Muktzeh? and can Adults use it too?
SimchasTorah's user avatar
  • 33.2k
25 votes
6 answers
23k 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 ...
user avatar
24 votes
3 answers
1k 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?
WAF's user avatar
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24 votes
5 answers
4k views

Why are Shabbat loopholes a good thing?

I'm not Jewish but do know that strict observance of religious laws is important in Judaism. I recently visited one of our suppliers in Israel and the hotel and office block had sabbath elevators. ...
Nobody's user avatar
  • 345
24 votes
2 answers
3k views

Is it forbidden to wear a snap-brim Borsalino 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 ...
Bruce James's user avatar
23 votes
3 answers
2k 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? ...
Rabbi Yaakov's user avatar
  • 1,058
23 votes
3 answers
2k 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 ...
alltheinterwebs's user avatar
22 votes
5 answers
6k 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 ...
Monica Cellio's user avatar
22 votes
2 answers
507 views

Lechem Mishneh by the Third Shabbos Meal

Is one required to have Lechem Mishneh by the Third Shabbos Meal?
yydl's user avatar
  • 38.6k
21 votes
8 answers
2k views

Is the observance of Jewish law/tradition "all or nothing"?

Sometimes my job gets in the way of my observance of Jewish holidays. I often need to work on Saturdays or late on Fridays, inhibiting my ability to attend synagogue on Shabbat. Sometimes I am ...
JSW189's user avatar
  • 315
21 votes
6 answers
8k views

Making seltzer/soda water on Shabbat or Yom Tov

Can a person make seltzer on shobbos or yom tov with something like sodastream?
shlomo's user avatar
  • 3,097
21 votes
4 answers
2k 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 ...
Monica Cellio's user avatar
21 votes
4 answers
3k 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 ...
Monica Cellio's user avatar
21 votes
3 answers
2k 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 ...
my rebbi's talmid's user avatar
20 votes
6 answers
6k views

Is it muttar to whistle?

Is it allowed for a Jew to whistle? If yes, is it even allowed on Shabbos? If no, why not? Has anyone ever heard that if one whistles at night, that it attracts sheidim and mazikin? And what are the ...
Reb Chaim HaQoton's user avatar
20 votes
3 answers
395 views

Was the Mishkan Built on Shabbat?

There is a famous midrash that relates the 39 prohibitions of Shabbat to the various types of activities that were required for the mishkan's construction. Implicit within this idea is the notion that ...
Shimon bM's user avatar
  • 18.9k
20 votes
2 answers
827 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?
morah hochman's user avatar
20 votes
2 answers
2k 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 ...
Shmuel's user avatar
  • 697
19 votes
2 answers
2k views

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

This answer (originally elsewhere, later merged here) to a question about melacha before havdalah notes that in that situation one should say "baruch hamavdil bein kodesh l'chol" first. Does that ...
Monica Cellio's user avatar
19 votes
5 answers
5k views

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

This year, 5778, 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?
Shaul Behr's user avatar
  • 4,368
19 votes
4 answers
2k views

Is it permissible to use an escalator on Shabbos?

Escalators: Are they allowed to be used on Shabbos or not? (and the reasons behind it)
yydl's user avatar
  • 38.6k
19 votes
5 answers
1k 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?
SimchasTorah's user avatar
  • 33.2k
19 votes
5 answers
7k 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) Doing ...
yydl's user avatar
  • 38.6k
19 votes
3 answers
4k views

Swimming on Shabbos

Is it permitted to go swimming on Shabbos?
cookie monster's user avatar
19 votes
2 answers
396 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 ...
rosends's user avatar
  • 38.3k
19 votes
3 answers
452 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?
user avatar
18 votes
5 answers
1k 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 ...
yydl's user avatar
  • 38.6k
18 votes
3 answers
2k 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?
zaq's user avatar
  • 8,974
18 votes
2 answers
2k views

Starbucks VIA on shabbat

Someone recently mentioned in a conversation about making/ not making tea on shabbat with a tea bag, that the Starbucks VIA coffee is micro-ground vs how ever regular instant coffee is made and that ...
MEG's user avatar
  • 731
18 votes
2 answers
1k 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 ...
Robert Columbia's user avatar
17 votes
3 answers
3k 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?
Bas613's user avatar
  • 3,079
17 votes
2 answers
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 ...
geoffc's user avatar
  • 1,524
17 votes
2 answers
4k views

40 minutes offset for candle lighting?

Several Zmanim apps are giving a choice on my "candle lighting offset". The default here is 40 minutes instead of the usual 18 minutes I've heard. Why 40? Why do I even have a choice? Does the fact ...
Nathan H's user avatar
  • 2,619
17 votes
2 answers
649 views

Computer working on Shabbos

Can I leave my computer on downloading over Shabbos?
cookie monster's user avatar
17 votes
3 answers
2k 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 ...
J-Lu's user avatar
  • 171

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