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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What is the source of the prohibition of not preparing on Shabbat for after Shabbat?

Preparing on Shabbat for after Shabbat is not one of the 39 melachot (Biblical categories of "work"). I gather that many prohibitions are gleaned from Yeshayahu (Isaiah) 58:13. However, the only ...
4
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1answer
157 views

What are the restrictions on electronic commerce during the sabbath?

On Photo.SE, mention was made of some software that had its software license fulfillment (one would think a completely automatic process) being restricted on Saturday: Someone at B&H ... has ...
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2answers
166 views

Shabbat with time dilation in space

I know there is some discussion in space/planets.. How would you keep shabbos in space? The Rabbi I asked this shabbat pretty much said the same thing; and you go by Jerusalem time when in doubt. ...
4
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2answers
99 views

Modifying a Shtender on Shabbos

I have a Shtender and it has an option to remove the top part of it and use it as a table-top Shtender. Is doing this — removing the top part to use as a table top or putting it back to be used ...
4
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1answer
241 views

Daven mincha after lighting Shabbos candles

As most shuls daven mincha right before Kaballos Shabbos, in order to daven mincha with a minyan on Friday one must light candles prior. Is it better to light candles and then daven mincha, or should ...
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1answer
97 views

Maaseh Shabbos on Youtube

Can one watch a video on Youtube that was recorded or uploaded by a Jew on Shabbat, or is this considered Maaseh Shabbat?
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2answers
458 views

Saving a non-Jew's life on Shabbat

I understand that, as per the halakha, a Jew is absolutely obligated to save the life of a non-Jew, even if doing so requires of him that he desecrate Shabbat. (See, for example, this answer.) My ...
4
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1answer
107 views

Techum Shabbos in a large private area?

The specific question came up in the context of the Disney Marathon, which is actually on Sunday, and the previous day on Shabbos is a half marathon. (They have a combo award for those who do both). ...
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2answers
281 views

Rollerblading on shabbas?

What's the halachic problems if any to rollerblade on shabbas? Do we compare it to biking (Kaf Hachaim assurs it)? Are there any contemporary tshuvos which discuss this? I have heard two problems if ...
4
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1answer
139 views

Wearing wool Tzitzis on Shabbos

Is it better to wear wool tzitzis? indicates that it is better Halachically to wear a woolen Beged with woolen Tzitzis. Recently I met a fellow who the entire week wears cotton Tzitzis, yet on Shabbos ...
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1answer
132 views

Making food brachot for others

On Shabbat and Yom Tov, usually one person makes ha'motzi and everyone else at the table says amen and eats some bread. As far as I am aware, during the week, nobody ever eats food without making ...
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1answer
83 views

The history behind the composition and inclusion of V'lo N'tato

I'm curious about the composition and inclusion in the shabbat shacharit of the paragraph beginning ולא נתתו (v'lo n'tato). I understand the talmudic basis for the underlying idea, and how it fits in ...
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2answers
213 views

Sefer Torah in reshus harabim

If one finds a Torah on the floor in a reshus harabim on shabbas what should one do? It is a big bizoyn to leave it on the floor but to pick it up and carry it is problematic. Question inspired by: ...
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1answer
247 views

Which challah does one cut on a Shabbas yom tov?

The Shulchan Aruch (274:1) brings down that on shabbas night you cut the bottom challah. The Rama adds that on Shabbas day and yom tov night you cut the top challah for kabbalistic reasons. What do ...
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1answer
370 views

In Israel, what do you do if Isru Chag of Pesach is on Shabbat?

In Israel, if Isru Chag of Pesach is on Shabbat, when do people reacquire their chametz that they sold on Pesach? Do they acquire it retroactively after the holiday is over, OR do they not acquire it ...
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2answers
298 views

Bameh Madlikin grammar

In congregations that daven with Nusach Ashkenaz, the Friday night Maariv is preceded with a recitation of Mishnayos beginning with the words: Bameh madlikin u'vamoh ain madlikin... I always wondered ...
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1answer
357 views

Checking lettuce on Shabbos

1) Is there any way to check lettuce on Shabbos? 2) If the lettuce had been put into a liquid that kills the bugs before Shabbos, is there then a way to check it?
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2answers
826 views

Chabad Minhag for Shalosh Seudos

Is it true that the Chabad custom is specifically not to wash hands for (and eat) bread for shalosh seudos, and, if so, why?
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2answers
183 views

According to Halacha are you permitted to melt cheese on Shabbos?

Can one place cheese upon a slice of bread that is put onto a blech on Shabbos? Is there a problem to melt cheese on Shabbos? Some of the specific consideration: 1) Since you are putting the ...
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1answer
141 views

Can one smooth the rice to make sushi rolls or sashimi on rice on Shabbat?

This article states that one can smoothen food only if it is necessary for eating for not for aesthetic reasons. I have attended a few Shabbat affairs where a sushi chef makes sushi rolls. To do this,...
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1answer
82 views

Is a bike muktzah in “mixed company”?

According to the majority of poskim, riding a bicycle on Shabbat is forbidden. Therefore, "a bicycle is muktza, as ... it is a kli shem'lachto l'issur." (from that answer) However, there is a ...
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488 views

Water heaters on shabbos and yom tov

I was looking into buying a more efficient water heater, and was dismayed to discover the significant halachic issues surrounding tankless water heaters (http://www.star-k.org/kashrus/kk-...
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1answer
100 views

Can one consume food driven by a Jew on Shabbat?

I often like to invite non-religious friends of mine for Shabbat dinner. Sometimes, a guest will bring over some food to share, usually a bottle of kosher wine. I know for a fact that these people are ...
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2answers
244 views

Is one allowed to use a pedometer on Shabbat?

If the pedometer is reset and already on before Shabbat starts, am I allowed to attach it to my person and walk with it on Shabbat, within an eruv? It is electric, and it appears to count steps with a ...
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162 views

Are adjacent fields in techum shabbat or not?

BSD In Kitzur Shulchan Aruch Chapter 95:1 " והיינו אם היה בין השמשות בשדה אבל אם שבת בתוך עיר כל העיר הוא מקומו. ועיבורה של עיר נחשב ג"כ להעיר" Sorry if this is a beginners question but ...
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2answers
162 views

Looking for a definition of oneg Shabbos

Yeshaya 58:13 states that Shabbat is called oneg (delight). I have seen several different items described as oneg shabbos including taking a nap, marital relations, enjoying food at the shabbat meals ...
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1answer
86 views

Solar analog watch be worn on Shabbos where in the dark the second stops?

Can a solar charge watch that the second hand stops moving in the dark after 30 minutes to save power and resumes operation when brought back in the light, be worn on Shaboss?
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3answers
362 views

Eating bread on Shabbos

A friend was on a diet and was told that if he does not want to eat bread on Shabbos, he does not have to. Is this correct? Do we have an obligation to wash for bread and have three meals on Shabbos?...
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1answer
149 views

Apostate Jew performing mitzvahs

It has been discussed many times on this site that a non-Jew may not observe Shabbat (in addition to various other mitzvot that are prohibited to non-Jews). We have also seen that a Jew who renounces ...
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1answer
93 views

In Shabbos Shacharis which is right “sheboro bemidas rachamim” or “sheboro bemidas HOrachamim”?

In the brocho of “hakol yoducho” Shabbos Shacharis, some siddurim have “sheboro bemidas rachamim” while some have “sheboro bemidas HOrachamim”. Why?
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1answer
111 views

Shabbos and Later Davening (Prayer)

Why on Shabbos do most people daven (pray) later than usual? (I seek an halachic answer.)
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Why isn't wearing two belts a problem with protecting clothing?

As per Shulchan Aruch OC 301:13, one is not allowed to wear/carry a garment whose sole purpose is to protect other clothing that he is wearing ("אצולי טינוף"), though if those also protect the wearer ...
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2answers
99 views

Can one wear Yaktrax on Shabbat?

Yaktrax is an ice traction "device" that you slip onto the bottom of your shoe. Can one wear this on Shabbat? Possible concerns: boneh - "building". Wearing the device involves stretching a band ...
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0answers
55 views

Is it better not to wear a watch on Shabbat?

I know it is permissible to wear a watch on Shabbat, and I have already perused this question about the particulars of what kinds of watch features are and are not permitted (ignoring the issue of ...
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Why is the Challah braided? [duplicate]

Every challah I've seen in my life is braided, regardless the country or customs. But what are the origins of preparing the challah in this way? The bread in the Beit HaMikdash wasn't like this as far ...
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171 views

Why does the Chazzan Wear a Tallit on Friday Night?

Generally, the Chazzan \ Shaliach Tzibbur for Maariv does not wear a Tallit. However, on Friday Nights, he does. Why is this night different than all other nights?
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71 views

Why was Joshua allowed to break the Shabot in attacking Yericho?

In Joshua 6, the Jews marched around Jericho, thereby attacking it. Why was Joshua allowed to break the Shabot in attacking Yericho? Did not this march around Yericho begin on Rosh Chodesh and last ...
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134 views

Taking Tylenol on a Taanith: Defining “ill”

With regard to hilkhoth shabbath, a choleh she'ein bo sakana (one with a non-life-threatening illness) is allowed to engage in therapeutic activites, such as taking medication. This is not the case ...
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0answers
76 views

Renting digital services to Jews who are known to work on Shabbes

Given the following scenario: A Jew is the sole owner of a digital business which rents its services (a digital platform that does not require human intervention from part of the owner) for a monthly ...
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63 views

Can you carry an object from the step outside your house inside your house?

According to the laws of carrying on shabbos one may not carry from one domain to another aside from a makom petur ("exempt area"). A makom petur is less that 4X4 handbreadths and more than three ...
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62 views

What if two communities had two different Shabbat days?

Imagine this: One community, A, keeps Shabbat on what we identify as Saturday. However, another community, B, for whatever reason, actually keeps Shabbat on what we identify as Sunday. These two ...
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55 views

Customs regarding reciting the Shema after the allowed time

The latest time for reciting the קְרִיאַת-שְׁמַע is ׁשׇׁלוֺש ׁשׇׁעוֺת זְמׇנִיּוֺת (three variable hours) after sunrise. On Shabbat, many communities recite the morning Shema after this latest ...
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81 views

Descrating one Shabbat for many

The Talmud states that one may violate the Shabbat to save a life, because it's worth violating one Shabbat to let someone keep many in the future. Does this principle apply in other cases? For ...
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335 views

Sous-vide cooking for Shabbat

Sous-vide is a method of cooking food slowly, at a precisely-controlled temperature. This article in the New York Times reports that this method is becoming more and more accessible to and widespread ...
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Wondering about a line in Hoshanot for Shabbat [duplicate]

The special Hoshanot for Shabbat mostly contain praises for B'nei Yisrael related to Shabbat. However, i don't get the י line: יושבת וממתנת עד כלות שבת She sits and waits until the end of ...
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166 views

Judenstern (Jeckische Shabbat lamp)

Historically, German Jews used a lamp like the one shown below for neirot Shabbat. Does anyone still make it? If so, where could it be found?
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Transferring discrete “kippah clips” between domains on Shabbat, if the clips are NOT sewn to the kippah

A) Imagine the following: It is Shabbat, and I am using spring-loaded hair clips or bobby pins to attach a kippah to my hair. The clips or pins are NOT sewn to the kippah: instead, they are discrete ...
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62 views

The shlock — halachic considerations

Let's say you bought or built your own shlock (rain cover) for your sukkah. What halachic concerns are there about operating it on Shabbos/Yom Tov? Might there be problems of boneh (building)? If the ...
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1answer
174 views

Can an automated online service business operate on shabbat?

While this questions touches on mine, I'd like to know more specifically about operating an online service business, such as an online subscription based software on Shabbat. Can the service be ...
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117 views

how to clean up from one meal for another on shabbos?

if after putting all of the trash in the trash can there are lots of crumbs still left behind how should one get rid of these properly on shabbos? may one shake the crumbs outside (assuming its in ...