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

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How to enter an apartment that has to enter a code to through call box on shabbat? [on hold]

Let's say that the front door to my apartment has electronic lock. However, according to most rabbis, it is forbidden to use electricity on Shabbat and Yom Tov. As a tenant, one is not permitted to ...
2
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1answer
79 views

cleaning smooth shiny surfaces on shabbos

How may one clean a sticky shiny smooth surface on Shabbos? During the week one can simply wet a napkin and then wipe the surface, but on shabbos you're not allowed to wet a material due to a ...
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0answers
38 views

Can one carry a GPS operated timed device across a time zone on Shabbat?

I read somewhere, that if you set a timer before Shabbat, you are not allowed to adjust the timer or clock on Shabbat to reset the time that something goes on. So, let's say that you live in ...
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1answer
27 views

Atifa as creation of an ohel

Here's a question from a discussion over Shabbat. Boneh (building) is an a melachah of Shabbat, particularly any variant in which an ohel (tent) is erected. However, one of the common methods of ...
3
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1answer
118 views

Biblical Prohibition of Breaking Shabbos/Shabbat

Somebody does not think that something is breaking Shabbos but suspects it may be an issue, yet they don't want to delve into the law because they don't want to stop doing what they are doing and they ...
5
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1answer
111 views

Electronic card readers to enter buildings on Shabbat?

As a student, I've noticed that practically all of the dormitories in my university require residents to tap their student cards to a sensor before they are allowed to enter their building. (Moreover, ...
8
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3answers
255 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 ...
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1answer
65 views

Do chopsticks have to be separated before Shabbat?

A few weeks ago, I was eating sushi at my friend's home. It was a weekday. He gave me a bag of wooden chopsticks that had a warning on the slip saying that the sticks must be separated before Shabbat. ...
3
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2answers
76 views

Can a Gentile shovel / plow snow from your driveway on Shabbat if he has been paid for general work?

I read in Kitzur Shulcah Aruch (סימן צ - דין עשית חפציו בלא מלאכה ומלאכה על ידי גוי) that even if a person prepays a Gentile before Shabbat, he cannot tell him to specifically do work for him ...
7
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1answer
72 views

Is there a problem of image projection on Shabbat?

There are night lights which don't just emit light but project an entire image (example). If such a device is plugged in before Shabbat, would there be a problem of closing window shades or doing ...
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4answers
474 views

Typing on Chol Hamoed

Is typing allowed on Chol Hamoed? Does it make a difference if whatever is typed will be printed afterwards?
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26 views

How does the prohibition of writing during chol hamoed apply for electronic devices? [duplicate]

There is a prohibition for writing during chol hamoed, with a few exceptions such as in cases where loss would be involved. How does the prohibition of writing during chol hamoed apply for writing / ...
3
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3answers
180 views

What is Chesron Mamon and why is it enough to allow melachos on Chol Hamoed?

I asked a question on here regarding being able to purchase a car on hol hamoed and one of the answers given mentioned that if you are afraid to lose the deal then it's permitted. It seems that most ...
4
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5answers
119 views

practical examples of a grama

I was trying to give a practical example of a grama the other day, and couldn't think of one. While there are plenty of devices which employ gramas deliberately (grama switches, shabbat electric ...
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2answers
68 views

Brushing teeth on Yom Tov with a dry toothbrush

According to Kosher Innovations hilchos shabbos presents four obstacles* to brushing teeth: Sechitah: Squeezing liquid out of a solid in which it was absorbed is prohibited on Shabbos. When wet, ...
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2answers
72 views

Deliberately planning to do work for the community on Chol HaMoed: Is it allowed?

We are setting up a new (money) Gemach. To register as a charity, a bank account is now needed. We were told of this on Thursday around noon. We were unable (too busy getting ready for Yom Tov) to get ...
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0answers
35 views

Is a psik reisha d'lo nicha or d'lo echpat judged against a communal standard?

If I perform an action on Shabbos which will cause a secondary (forbidden) action, the secondary action is assessed as to whether it is desirable, detrimental or neutral (as per Difference between ...
2
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1answer
63 views

May I place a towel on the food that's on the platta on Shabbos?

This is a hatmana (insulation) question. I want to know if there is an issue with putting food on the platta on Shabbos day and then putting a thick towel ontop of that food in order for the food to ...
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0answers
45 views

Is a person forced to used his saved vacation days immediately for Hol Hamo'ed?

Let's assume that a family plans a trip to Israel for Hol Hamo'ed Succot 5776 to attend their daughter's wedding, there. To be in Israel, a person must use 10 vacation days from work. Pesach is ...
4
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1answer
211 views

How to respond to a non-Jew who asks to shovel your snow on shabbos?

If a non-Jew asks if he may shovel your snow on shabbos what is the proper halachic response? Does it make a difference if he is asking to do this for pay (not previously arranged before shabbos)?
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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. (This question is not about the newer ones with touch screens.) If left unused it ...
8
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3answers
745 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 ...
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1answer
105 views

Squeezing Fruits on Shabbos for Juice

Is it forbidden according to the Torah to squeeze fruits and vegetables for juice on Shabbat? Since people juice almost every fruit and vegetable nowadays (e.g. smoothies), is it forbidden the same as ...
2
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0answers
48 views

Waving at a security camera on Shabbat

Background: Walking past motion detector/sensor activated lights on Shabbat -- it's better to avoid setting of motion-activated lights on Shabbat. Unintentional closing and opening of electrical ...
7
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1answer
296 views

Does the Biblical prohibition against writing on Shabbat apply to nonsense as well?

Writing (כותב) is one of the 39 melachot (forbidden labors) of Shabbat. Writing nonsense is forbidden regardless, but i'm curious whether it's a Biblical or Rabbinic prohibition. On a Biblical ...
2
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0answers
38 views

Rinse with baking soda and water on Shabbos?

Are you allowed to mix a pinch of baking soda with water and rinse your mouth with it instead of using mouthwash? Also there are two way to mix it: place some baking soda on your finger/hand and ...
2
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0answers
37 views

Asking A Gentile To Perform Safeq Melakhah

Citing HaRav HID"A and Hakham 'Ovadiah A"H, HaRav Eliyahu Mansour states in his Daily Halacha that: The Hid"a [...] writes that it is permissible to ask a non-Jew to place a pot of cold liquid on ...
9
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1answer
299 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 ...
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0answers
58 views

What are the halachos of חולה שאין בו סכנה on Shabbos?

Ok, so I had my wisdom teeth pulled out yesterday, and besides the pain it's very hard for me to eat regular food. Unfortunately we do not have a gentile to do melachah for me as far as mashing up ...
8
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3answers
1k views
11
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2answers
584 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, ...
9
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1answer
205 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 ...
4
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1answer
215 views

Apple Watch on Shabbat

Tech experts: Is there any way in which the Apple Watch could be used by shomrei Shabbat with limited functionality? Note: this question does not seek to ascertain whether the full gamut of features ...
1
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1answer
136 views

Until what time before sunset (shekiya) can you work Erev Shabbos (Friday)?

I remember reading somewhere that you can't work 2 hours before Shabbos starts. What exactly is the halacha? If you have a regular 9-5 job. When do you have to end working on Friday's--assuming your ...
4
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2answers
617 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 ...
4
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1answer
85 views

Trapping mosquitoes on Shabbat

If there's a mosquito found on a wall on shabbat, are you allowed to place a cup over it and slide a sheet of paper under it and remove it from the house? The reason for doing this would be that you ...
2
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1answer
199 views

Applying hand cream on Shabbos

Regarding dry, chapped skin that requires regular application of moisturizing cream, is someone allowed apply this cream on Shabbos? Does the composition or texture of the cream change the answer?
1
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1answer
67 views

May one read a map or document hung on the wall by a Jew during Shabbos?

Let's say a Jew hung a map or a document on the wall on Shabbos. For the purposes of this question, let's assume that this was a desecration of Shabbos (presumably because of the prohibition on ...
18
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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, ...
9
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2answers
177 views

Tzoveah on Shabbos

It is going to sound strange but here is the question In the toilet there are these blue things that clean your bathroom with every flush by adding bleach hence it colors the water blue every time you ...
0
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1answer
62 views

Questions regarding the melacha of “borer” - separating / sorting on Shabbat

Are these two activities considered a violation of "borer" on Shabbat? Playing cards where you must separate the cards into the 4 suits (hearts, spades, diamonds, clubs) Sorting flatware into ...
4
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1answer
101 views

How could Moshe write on Shabbos?

I once saw this question in the magazine Kolmus: There's a tradition that Moshe wrote thirteen sifrei Torah on the day of his death. However, there are many opinions that Moshe died on Shabbos, ...
2
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1answer
56 views

Biblical vs. Rabbinical end of Shabbat

This question states, "havdalah ends shabbat (for one who didn't daven ma'ariv)." But won't Shabbat end on its own at some point--specifically, at nightfall--even if we don't make havdalah nor daven ...
12
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3answers
181 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 ...
1
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1answer
55 views

Enabling a Jew in a melacha

I know you're not supposed to do a melacha on Shabbos in order to prevent another Jew from doing one. But is it prohibited to do something (not a melacha) which will likely enable another Jew to do a ...
0
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1answer
17 views

Is dvar sheina mitchaven permitted if the melacha is inevitable?

My question refers to the class of permitted actions that may inadvertently cause melachas as byproducts. (For example, with hair brushing, the intention is not to pull out the hair, but this does ...
12
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2answers
302 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 ...
4
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1answer
372 views

Can you derive benefit from another Jew's melacha if it happened a long time ago?

We aren't supposed to derive benefit from melachot performed by other Jews on Shabbos. But what if it didn't happen this Shabbos? What if our guest brought a bottle of liquor as a gift last Shabbos, ...
3
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1answer
469 views

Sealing an envelope on shabbat

On Shabbat, is it permissible to seal an envelope that does not require moistening, ie an envelope that has a PEEL & SEAL flap?
6
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2answers
164 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 ...