Commonly refers to acts of labor that are forbidden on Shabbos/Yom Tov.

learn more… | top users | synonyms (1)

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
755 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 ...
8
votes
2answers
911 views

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

Do you have to close your blog on shabbos?
8
votes
2answers
514 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, ...
18
votes
3answers
436 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?
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. If left unused it enters a sleep mode, and you can return to reading by moving a ...
3
votes
1answer
185 views

Borer and Grinding on Yom Tov - and other Melachoth that are Ochel Nefesh

Which Melachoth are prohibited on Shabbath but are permissible to perform on Yom Tov because of the exception of Ochel Nefesh? Famously, cooking and carrying in the public domain are allowed, yet ...
8
votes
1answer
809 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?
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 ...
7
votes
3answers
365 views

Typing on Chol Hamoed

Is typing allowed on Chol Hamoed? Does it make a difference if whatever is typed will be printed afterwards?
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 ...
8
votes
2answers
623 views

Where does the concept of a Kli Shlishi come from?

When it comes to cooking on Shabbos, most people hold that things that are not allowed to be put in a Kli Sheni (a vessel once removed from the vessel that was on the fire) because it is considered ...
14
votes
3answers
242 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 ...
8
votes
2answers
440 views

Non-Yemenites who heat up soup after the start of Shabbat?

The most widely held practice regarding heating up liquids on Shabbat is that it is prohibited, though there are differences of practice between Ashkenazim and Sephardim regarding sauces and such ...
7
votes
1answer
475 views

Asking Questions on StackOverflow on Erev Shabbos

Is there a problem with asking a programming question on StackOverflow (or any other StackExchange site) on Erev Shabbos, so that they will eventually be answered by the time Motzei Shabbos arrives? ...
6
votes
2answers
184 views

Ask a friend to carry on Shabbos

Suppose there are two friends: one holds of the eiruv and the other doesn't. Is the second allowed to ask the first to carry for him? And if the first anyways carried it, can the second benefit from ...
5
votes
0answers
138 views

Why allowed on Yom Tov?

According to the Torah, melacha isn't permitted on Yom Tov days except for what is needed for food. I read that certain laws, like carrying, don't apply on these days because they are loosened for ...
4
votes
2answers
490 views

Is it permissible to use an umbrella on Shabbat?

Assuming one is inside an eruv which generally permits transferring between domains on Shabbat, may one use an umbrella on Shabbat? If not, why not? Follow-up question: What about other things that ...
1
vote
1answer
81 views

learning non-jewish topics as a creative process

Is 'learning' non-Jewish topics a prohibited creative process on Shabbat? If so, on what grounds is learning Tanakh exempted? I read that the study non-Jewish subjects is banned or frowned upon, and I ...
12
votes
3answers
158 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 ...
12
votes
2answers
286 views

10th man drove to shul on shabbat

If one of precisely ten men, who form a minyan, had driven to shul (the synagogue) on shabbat, is that an acceptable minyan? I would have though not, since one is benefiting from his melacha on ...
2
votes
1answer
156 views

Typing on Shabbos

If one would type on a computer on Shabbos would he be ovar an issur d'oraisa in regards to the malacha of writing? (The other malachos involved aside for a moment.) Is there any room to say this ...
0
votes
3answers
126 views

What is considered work on the sabath?

I was reading about sabbath observances in modern practice and I found a lot of caution and effort is expended to not work: like, even switching on the lights or lifting things could be considered as ...
14
votes
3answers
722 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?
10
votes
2answers
211 views

Which types of light bulbs are 'only' an issur d'rabbanan to activate on Shabbat

I'd be very interested to know if anyone has definitive advice on which types of light bulbs are considered an issur d'rabbanan (Rabbinic prohibition) vs an issur d'oraita (Torah prohibition) to turn ...
8
votes
1answer
118 views

Hotels, electronic keys, and shabbat

Is it permissible to ask a non-Jewish hotel employee to let you into your hotel room on shabbat if the only way to unlock the hotel room is through the use of an electronic key? It seems like many ...
7
votes
3answers
240 views

Difference between Pesik Reshe Delo Niha Le, Pesik Reshe Delo Ichpat Le, & Melacha She'en Sarich LeGufa

What is the practical difference between actions considered Pesik Reshe Delo Niha Le, Pesik Reshe Delo Ichpat Le, and Melecha She'en Sarich Legufa? What is an example that can demonstrate the ...
7
votes
1answer
144 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 ...
7
votes
3answers
87 views

Melachah on Shabbath - after Shabbath

If Melachah was done on Shabbath, can the product of that Melachah be enjoyed after Shabbath, and if so, under what criteria (does it depend on how long after Shabbath, or on the need, or something ...
7
votes
5answers
535 views

malacha from child

is one allowed to ask a child to do a malacha of shabbos? does your answer also apply to a non-Jew?
5
votes
0answers
164 views

What constitutes a shinui?

I was recently taught the concept of a shinui to be "something done in a way that is unusual compared to the norm in one's area of residence", with respect to the permissibility of actions done on ...
5
votes
1answer
122 views

Can a talit be a tent?

There are two situations in which a talit is held aloft in a possibly tent-like manner that make me wonder whether they present any danger of transgressing the prohibition of "Building" on Shabbat and ...
5
votes
0answers
101 views

Pre-Havdalah Melacha [duplicate]

Possible Duplicate: Bootstrapping problem: havdalah ends shabbat (for one who didn't daven ma'ariv) but lighting the candle is melacha? After nightfall before Marriv, or after ...
4
votes
3answers
349 views

Why is braiding hair “building”?

The gemarah in niddah (45) says that when the torah says that God "built" Eve out of the bone of Adam what actually happened is that God braided Eve's hair and presented her to Adam as a wife. This is ...
4
votes
1answer
221 views

Ice-cream scoop on Shabbos

Is there anything wrong with using an ice-cream scoop to dish ice-cream on Shabbat? I have been told in the name of a Rebbetzin that you can't.
4
votes
1answer
385 views

Boiling over a pot to extinguish burners on Yom Tov?

Generally, on Yom Tov one is allowed to light a gas burner (using a pre-existing flame), but is not allowed to turn off the gas burner. This is because one may light a fire on Yom Tov, but not ...
3
votes
3answers
151 views

What's wrong with making coffee on Shabbat?

If, on Shabbat, someone pours water from a kli shlishi (which according to all opinions I'm aware of) over coffee beans which are laying on a filter is there any problem with drinking the resulting ...
2
votes
5answers
1k views

Is using the internet on Shabbat against melachos?

Is it against melachos to look at the internet during Shabbat? How can you interpret the Melachos to apply to the 21st century? Is there a difference between looking at the internet for purely ...