NOTE: Like Wikipedia, this site makes no guarantee of validity, and does not offer professional (particularly rabbinic) advice. Treat information from this site like it came from a crowd of your friends. // Jewish law. Specifically, the legal process beginning with the written Torah and continuing ...

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90
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3answers
3k views

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? ...
56
votes
5answers
4k views

What is the halachic source for objection to gay (civil) marriage?

New York State is considering legalizing gay (civil) marriages, so tonight on our answering machine we received a message urging us to pray that it doesn't pass because gay civil marriages were, you ...
36
votes
7answers
2k views

May I use my neighbor's Wi-Fi without asking permission?

My neighbor has never set up password protection on his wireless router. If I wanted, I could wirelessly connect to his high-speed Internet service. May I use his Internet service without asking him ...
33
votes
7answers
2k views

Is it permissible to erase the name of G-d from an E-reader?

Most people seem to be lenient about shemos on digital screens in general (though Bar-Ilan does avoid displaying the Tetragrammaton.) The letters on the screen are just light, there is nothing really ...
32
votes
9answers
2k views

Why is it necessary to ask a Rabbi?

In various places on this site, including the FAQ, we have the following disclaimer: Like Wikipedia, this site makes no guarantee of validity, and does not offer professional (particularly ...
32
votes
11answers
6k views

Is Christianity Avodah Zara?

It is commonly accepted that Islam is not Avodah Zarah (idolatry) since Islam has a clear monotheistic theology with a belief in Allah that parallels our view of "kail" or Hashem. It is even ...
29
votes
3answers
1k 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 ...
28
votes
4answers
2k 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 ...
27
votes
7answers
2k 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?
27
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4answers
2k views

Can a Jew lose their Jewish Status?

Can a Jew lose their status as being a Jew by performing any action (example: performing idolatry, disavowing core beliefs, converting to another religion, etc)? Or once a person is a Jew then they ...
27
votes
3answers
1k views

So you ate dairy after meat. Now what?

Whatever your tradition for waiting between meat and milk, let's say you forgot you were fleishig, and now realize that you have just eaten milk within your traditional waiting period. What are you ...
27
votes
1answer
554 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 ...
26
votes
5answers
3k views

Is it possible for a Gentile to convert to Judaism?

Is it possible for someone who is Gentile to convert to Judaism? What is the prevailing belief of Jewish people on this subject? What scripture backs up this belief? What do prominent Jewish ...
25
votes
4answers
5k views

Are children adopted by Jews Jewish?

I was adopted around the time I was three months old by my parents who are both Jewish. I do not know what religion my biological mother was, in fact I have very little detail about her at all. I was ...
25
votes
1answer
744 views

Is a Jew allowed to participate on Christianity.SE?

I was browsing meta.Christianity.SE recently when I noticed a question with a rather obvious (and good) answer that had not been posted. I was about to go ahead and answer it when I realized there ...
25
votes
3answers
856 views

While playing a computer game, may I “worship” one of the game's “gods” to help me win?

I sometimes play a certain computer role-playing game (RPG). In this game, my character (whom I might name after myself but who does not otherwise resemble me) fights mythological creatures and ...
25
votes
2answers
637 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 ...
24
votes
7answers
4k views

Is one allowed to smoke Marijuana?

Not taking into account Dina D'malchusa, what are the Halachic problems with smoking marijuana? Is it allowed?
24
votes
3answers
2k views

What are the sources for women to wear/ not wear pants?

I have heard that the argument is beged ish / kli gever, and I have heard people say that even if that was once a real reason for it it doesn't apply today for various reasons. I understand that the ...
24
votes
1answer
2k views

You accidentally broke your fast. Now what?

What are you supposed to do if you inadvertently broke your fast*? Do you: keep going; extend it (if so, how long); cancel it (if so, do you make it up a different day)? *This question is for ...
24
votes
2answers
390 views

Is unmasking an anonymous author addressed by Halacha?

If an individual writes a document for public consumption anonymously or pseudonymously and either explicitly or presumably desires to remain anonymous, is there a Halachic issue with publicly ...
23
votes
3answers
5k views

Questions about Polygamy in Jewish Law and Culture

I've recently been looking into polygamy (having more than 1 wife), and had a few cultural questions. Was polygamy accepted at the time of David and Solomon? Were there any laws about it? Was ...
23
votes
2answers
5k views

Would a mermaid be kosher?

Tonight at religious school we were discussing Kosher laws and how to build/keep a kosher kitchen. While we were discussing different meats, one of the jokers in school asked if you could eat a ...
23
votes
5answers
343 views

Glasses and Shema

The Shulhan Aruch records the custom of placing one's hand over his eyes in Shema in order to increase concentration. What about someone who wears glasses? Must he move them or remove them?
23
votes
2answers
2k views

If a woman converts to Judaism while pregnant, will her child be a Jew?

If a woman converts to Judaism while pregnant, will her child be a Jew once born?
23
votes
2answers
406 views

Is it a mitzva to escape the death penalty?

If someone is being led to his death by bes din (a Jewish court), is he supposed to try to escape, since, in general, saving one's own life is paramount? More: normally, we say that if someone is out ...
23
votes
1answer
239 views

What do you do if you made a Tzedaka pledge and now the organization folded?

Recently a friend of mine asked me the following question. He pledged $500- to a Yeshiva, yet before he paid the pledge the Yeshiva closed. Does he still have to pay his pledge to another Tzedaka or ...
22
votes
1answer
2k views

Did Jews in Arab countries ever rely on Islamic calls to prayer?

It just occurred to me that Jews in Arab/Islamic countries would most likely have heard the adhan call the populace to prayer five times a day. Upon looking at an Islamic time-table and doing some ...
22
votes
4answers
879 views

Does artificial meat grown in a petri dish have the halachic status of meat?

Scientists are developing means of growing artificial meat in a petri dish. Does such 'meat' have the halachic status of meat? Source: ...
22
votes
2answers
501 views

If I injure a bug, should I kill it?

I'm sure this has happened to lots of people: you somehow injure a bug (or some other animal). I have always heard that this is a case of Tzaar Baalei Chaim, and that you should kill the bug to ...
21
votes
4answers
612 views

Saying “I love you” during nidda

While a woman is nidda and she and her husband are observing harchakot, is it permitted for them to tell each other, "I love you," or is that too suggestive of a statement for the nidda period?
21
votes
8answers
672 views

Is one allowed to smoke?

Nowadays, since there are studies that show that smoking is dangerous to health, is one allowed to smoke or is it violating "Venishmartem Meod Lenafshosechem"?
21
votes
3answers
523 views

Must a jew-by-choice who is a firstborn observe the fast of the firstborn

I'm interested in the question of whether a ger who is firstborn (of both parents, say, to keep things simple) must follow the rules for Ta'anit B'khorot. There are some remarks on the wikipedia page, ...
21
votes
2answers
2k 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? ...
21
votes
4answers
2k views

Shaking hands with the opposite gender?

What's the story: Can a man shake hands with a woman (or vice versa) in a business setting?
21
votes
3answers
939 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 ...
21
votes
4answers
2k views

Is practicing Yoga against Torah?

What does Halacha and Halachic Authorities have to say about the permissibility of a Jew practicing Yoga? Is it Avodah Zarah? If it is problematic, are there methods of doing it where it would be ...
20
votes
17answers
718 views

SE Challenge: Halachot in which rulings range from permissible to Torah violation?

Inspired by my previous question regarding heating up soup on Shabbat, I present a challenge to the Judaism StackExchange community -- List halachot which have halachic decisions ranging from ...
20
votes
5answers
4k 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 ...
20
votes
1answer
265 views

a wheelchair user's taking “steps” before sh'mone esre

The Shulchan Aruch, OC 94:5, writes: Suppose someone is sitting on a boat or wagon [and saying sh'mone esre (amida)]. If he can stand up when he reaches the point of bowing, he should stand, so as ...
20
votes
2answers
2k views

Can a non-Jew don tefillin?

May a non-Jew or a person who is in the conversion process don tefillin? If not, what are the reasons that they cannot?
20
votes
1answer
360 views

Why don't people bentch on a kos nowadays?

Bentching with a kos (recite Grace after Meals with a cup of wine) was clearly a popular thing to do in the times of the gemara. Additionally many Ashkenazi rishonim (Rosh, Ri, and many other ...
20
votes
3answers
556 views

Is ad-blocker software permissible?

Kalashnikover_Rebbe at hashkafah.com asks: Isn't blocking ads stealing??? The people put them on the sites for a reason.... He elaborates: On one hand the argument can be made that [forum ...
20
votes
2answers
279 views

Rockets from Gaza while praying

I live in Beer Sheva, Israel where there are presently ongoing rockets fired at us from Gaza. We are warned of an impending rocket by a loud siren that gives us less than a minute to run to a bomb ...
20
votes
1answer
560 views

Providing wine for Christian ceremonial purposes: in the 8th century, what did the rabbis write?

Under Charlemagne in the 8th century and the Carolingian emperors, Jews were official importers of exotic foods from the Holy Land;[1] they also provided wine for Christian mass. At the time, what ...
19
votes
2answers
1k views

Can one throw out a Menorah?

Is it an issue to discard a menorah that has been used for the mitzvah of Neros Chanuka? What if the menorah is made from something not usually used for a menorah? For example,bottles, cans, ...
19
votes
3answers
776 views

Does an ivory spoon make hot tea non-kosher?

Both the handles of cutlery and entire spoons have been made of elephant ivory, which is from a tusk (a tooth) of an elephant. Elephant is of course not a kosher animal. Presumably, then, these spoons ...
19
votes
2answers
4k views

May my wife wear my jacket to keep warm?

The Sefer HaChinuch #564 writes that it’s forbidden for a woman to wear men’s clothing. If it’s cold outside, is a woman allowed to wear a man’s coat to keep warm? If #1 is a problem, are any ...
19
votes
3answers
912 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? ...
19
votes
3answers
1k views

Can a man remove hair?

May a man remove hair from his body through any of the following methods: Electrolysis Tweasing Plucking I am asking specifically about hair between the eyes (unibrow) but I would be interested if ...