Halachic Guide - Shavuos | לוח יומי - חג השבועות

Can the Kiddushin ring be white gold?

The custom to use gold is based on Kabalah. Now, there are many types of gold. The Gemara lists seven types of gold. There are variations as to the…

Is it necessary for a mother who is waking multiple times during the night to wash Negel Vasser everytime?

Is it necessary for a mother who wakes during the night but does not get out of bed to wash Negel Vasser before touching her child? Please see…

Can a man co-found a company with a woman?

Question: Is it halachically permissible for a man to co-found a company with a woman? Currently, the company is a startup that is expanding. Also is it permissible to…

Why do we learn more Talmud Bavly and not also Yerushalmi?

Because it is more explained, it is from a later generation and the Halacha is like it. #4082

Can a Fleishig knife that was used to cut cheese be Kashered? The knife had not been used for meat 24 hours prior, the knife and cheese were both cold. If so, can it be Kashered in boiling water? Please advise.

If both were cold, the knife does not need to be Kashered - just washed (NOT in hot water). #4297

Article: Negel Vasser and Midnight Feedings

A nursing mother with a young baby may wake up multiple times during the night to feed her baby. Must she wash Negel Vasser (the alternating right/left-hand ritual washing upon waking)…

האם מותר לגעת בבקבוק מים, לפני נטילת ידיים בבוקר, בכדי לשפוך מהבקבוק לנטלה – מים לנטילת ידיים של הבוקר, או שזה מטמא את הבקבוק?

מותר לגעת בבקבוק מים. [להעיר אשר בכלל, אפשר למלא נטלה כבר בתחילת הלילה]. מקורות: בגמרא שבת קט, רע״א: יד לגיגית תיקצץ. ולב״י היינו משום משמוש ידים, כפי׳ ב בפירש״י…

When a person is divorced or widowed and marries again, is he or she married to the other part of his or her Neshama, like it is the first marriage? If this is so, is he or she connected on the soul level with the previous husband’s wife or the previous wife’s husband?

According to some opinions, in the second marriage, the spouse is now not the other half of the original soul but rather the other half of the substitute soul.…

אם בשלתי מאכל פרווה בכלי בשרי בן יומו, האם אוכל לאוכלו עם חלב? והאם יש חילוק בין ספרדים לאשכנזים?

לא. ספרדים מקילים. מקור: שו״ע יו״ד צה, א-ב. #4324

We had a baby 3 weeks ago, can we still say the Bracha of Hatov Vehameitiv/Shehechiyanu?

Question: When one had a baby boy and did not say הטוב והמטיב immediately, what is the time limit to making this Bracha? (Same question with regard to שהחיינו…

Is it permissible to turn off an alarm clock before washing Negel Vasser in the morning?

You are allowed to touch the alarm clock before Negel Vasser. מקורות: ראה בארוכה בשאלה 4103 בנוגע לנגיעה בכלים לפני נט״י. ודון מינה ואוקי באתרין. ואי״ז סותר לפס״ד…

Article: The Mitzvah of Mezuzah: Renter vs. Owner

According to Halacha, the Biblical obligation to affix a mezuzah applies only to someone who both owns and resides in the property. A landlord who does not live on…

Article: Removing a Door with a Mezuzah

According to the Rambam a Mezuzah is needed only on a doorway that has a door. The majority of Poskim disagree and rule that a doorway with no door also requires a…

Article: Mezuzah when Renting in Chutz La׳aretz

When renting a house or apartment in Chutz La׳aretz (outside of Eretz Yisroel), one is not obligated in the Mitzvah of Mezuzah until 30 days have passed. However, it has become the custom…

I just got the MMR shot on Friday and then was the measles outbreak. My daughter (soon to be 8 months BH) didn’t take the shot yet and will take it today. The MMR shot takes 10 days to be effective and if she goes out she will be exposed to a lot of people that didn’t take the shot and are not immunized. What should I do then: should I still go to Shul to listen to Aseret Hadibrot?

This is primarily a medical question. When the Rebbe spoke about little children coming to Shul to hear Aseres Hadibros he added: “if health allows”. Ask the doctor and…

My doctor prescribed capsules for dizziness. The capsules contain lactose which is dairy. What should I do?

If the dairy (lactose) is in the actual capsule itself, you can remove the capsule and take the powder or pill on its own. Alternatively, you can get a…

May one donate clothing or goods and take the cost out of their Maaser? If yes, would the condition matter? Is the current or demoted cost used or the original cost?

One can donate used goods and consider them as part of הפרשת מעשר - separating Maaser. Of course, the value is based on their current used cost and not…

האם יש מנהג חב”ד להחמיר ולא להשתמש בשעון שבת?

שאלה: האם למנהג חב"ד אכן נמנעים מלהשתמש בשעון שבת? לדוגמא בשביל מזגן או פלטה שלוקחים הרבה חשמל וכו'. במילים אחרות, האם יש מקום למנוע לעשות זאת? מענה: מעיקר הדין…

האם נכון שנשים גם למנהג חב”ד יכולות ללבוש שעון יד בשבת?

הענין אינו קשור למנהג חב״ד בצורה ספציפית. אכן, אדמו״ר הזקן פוסק שאין למחות בנשים שלנו היוצאות בכל מיני תכשיטים. וכל זה לענין להזהיר למחות בנשים. אבל כל אדם יש…

Is there any issue with using flavored waxed floss without a Hechsher?

Dental floss may be used even if flavored. Preferable to use unflavored. Sources: שאינו בדרך הנאה. ורגילים להדיח הפה. וראה ס׳ הכשרות כא, נ. ובבי׳ דבריו -יד יהודה…

Is there any reason why women don’t do Mayim Achronim?

Strictly speaking, there is no difference between men and women. Nonetheless, the custom has developed that women are lenient in this matter. The suggested explanation for the leniency among women…

Do you make a Bracha on lightning or thunder if you only see or hear one?

Meaning if I see lightning can I make a Bracha? Or do I need to hear thunder and make two Brachos together? Answer: One can make a bracha…

Can one whistle on Shabbos?

Yes. Sources: ראה שלטי הגבורים בעירובין דף ל"ה ע"ב מדפי הרי"ף אות ב', שו"ע סי' של"ח סעי' א' ברמ"א, מג"א שם ס"ק ב' ובמחצית השקל שם, אלי' רבא…

I didn’t see the moon (yet) tonight (Leil Yud daled). Tomorrow night I will be flying. What should I do if I see the moon on the plane, should I do it then or can I / should I push it off until the next night?

If you see the moon on the plane, you should do Kiddush Levana, and not risk the chance of missing Kiddush Levana altogether. Explanation: The Minhag is that…

What filter to remove the copepods in the water is recommended for a Crown Heights apartment sink?

See here: Filters rated 50 microns should be fine, but best to get commercial filters that are 10-15 microns. See here: https://checkvegetables.com/new-york-city-water/ #4266

Halachic Guide – Shavuos | לוח יומי – חג השבועות