Each article starts from a real question and traces it back to the source in the Shulchan Aruch to understand it in depth. It presents what the sources say — never a ruling. For practice, ask your Rav.
Kavod and Oneg Shabbos: Honoring and Enjoying Shabbos
Honor (kavod) surrounds the day, delight (oneg) savors it. Who is obligated, and how far? The three categories according to one's means — and the teaching "borrow on My account," with Friday's preparations (Tikkun Ezra, kneading challah).
Hilkhot Shabbat · Siman 243Can You Rent Property to a Non-Jew Who Uses It on Shabbos?
Bathhouse, field, oven, mill: the answer turns on the custom of the trade and on maris ayin (appearance). When the non-Jew works "for himself" (sharecropping) it is permitted; when the custom is day-employment, it is forbidden — and when the bathhouse becomes permitted again.
Hilkhot Shabbat · Siman 244Can a Non-Jew Do Work for a Jew on Shabbos? (Amira Le'Akum)
The amira le'akum prohibition and how contract work (kablanus) can lift it: the non-Jew acts adata d'nafshei, for his own interest. The three conditions — talush, not in the Jew's house, not public — plus building work and the printer, tailor and construction-site cases.
Hilkhot Shabbat · Siman 245Going into Business with a Non-Jew: What About Shabbos?
Who is entitled to the profit made on Shabbos in a Jew / non-Jew partnership? The initial stipulation (hisna mitechila), the logic of havlaah (absorption), the matirin / osrin debate, and the modern translation for an LLC or a startup.
Hilkhot Shabbat · Siman 246Lending or Renting an Object to a Non-Jew for Shabbos
You may lend or rent your utensils to a non-Jew because of shevisas keilim — but an animal is different. The three safeguards (handover before Shabbos, havlaah fee, maris ayin), applied to lending tools and renting a car.
Hilkhot Shabbat · Siman 248Can You Set Out on a Journey (Boat, Caravan) Just Before Shabbos?
Cruise, long flight, caravan: the three-day rule for a salt-sea journey, grounded in oneg Shabbos. The mitzvah vs leisure distinction (dvar mitzvah / dvar reshus), the stipulation poses imo sheyishbos, and the more lenient regime of rivers and short trips.
Hilkhot Shabbat · Siman 249Erev Shabbos Rules: What to Prepare, What to Avoid on Friday
Three axes for entering Shabbos with dignity: the three-parsaos limit so there is time to prepare the meal, the ban on an unusual feast (kevod Shabbos) to enter with appetite, and the custom of the anshei maaseh to fast on Erev Shabbos — with the Rema's leniency for a bris or a pidyon haben.
Hilkhot Shabbat · Siman 250Preparing the Shabbos Meals on Friday: Zeal for the Honor of Shabbos
Rise early (hashkamah) and put your own hand to the work, even with servants — after the example of the great Amoraim (Shabbos 119a) who chopped the vegetables, split the wood and lit the fire. That is a person's true dignity, and one multiplies meat, wine and delicacies according to one's means.
Hilkhot Shabbat · Siman 251Can You Do Work on Friday Afternoon?
From Mincha, regular melacha "does not see a sign of blessing" (eino roeh siman berachah). Not a formal prohibition but a strong discouragement — Mincha gedolah vs ketanah, the keva / arai distinction, and what stays permitted all day (a letter of friendship, the barber, Shabbos needs).
Hilkhot Shabbat · Siman 252What Work May You Start Before Shabbos to Finish on Its Own During Shabbos?
The washing machine started on Friday, the Shabbos timer, the automatic press: shevisas keilim (Beis Hillel) permits a self-completing process — with the safeguards shema yechateh / shema yagis, the ketzitzah for a non-Jewish craftsman, and the Rema's rule of the zeiger clock.
Hilkhot Shabbat · Siman 253The Shabbos Hotplate: May You Leave and Return Pots to the Fire?
Shehiyah (leaving) and chazarah (returning): the whole siman turns on shema yechateh, the fear of stoking the fire. A garuf v'katum source, a fully cooked dish, the 5 conditions for returning a pot — and how the blech, the Shabbos-mode oven and the slow cooker fit in.
Hilkhot Shabbat · Siman 254Leaving Food to Cook Into Shabbos: What the Shulchan Aruch Permits
Pot vs exposed roast, kid vs ox, the clay-sealed oven: the siman looks for the cases where one has no interest in stoking. Once maachal ben Drusai (half-cooking) is reached, the fear falls away — the frame for the cholent and the slow cooker.
Hilkhot Shabbat · Siman 255Lighting a Fire (Candles, Heating) Before Shabbos
On Shabbos one benefits only from a self-sustaining fire: the flame must rise on its own (shalheves olah me'eileha) before Shabbos, lest one stoke or move the logs (shema yechateh v'yanid). Charcoal and fast fuels need only a minimal lighting — applied to candles and heating.
Hilkhot Shabbat · Siman 256The Six Shofar Blasts That Announced the Onset of Shabbos
Six tekios on Friday "to separate the people from work": the source in Shabbos 35b — fields, town, candles, then the closing sequence — and the Rema's updating through the chazzan's announcement. The frame for the Shabbos sirens and community reminders.
Hilkhot Shabbat · Siman 257Hatmana: Insulating Hot Food Before Shabbos, What's Permitted and Forbidden
The central distinction mosif hevel (adds heat) vs eino mosif hevel (only keeps heat), the three time regimes, hatmana vs shemirah, and the list of materials. Keeping food hot for Shabbos is a mitzvah (kavod / oneg) — applied to the cholent and the insulated pot.
Hilkhot Shabbat · Siman 318Can You Reheat Food on Shabbat?
Hot plate, pot, hot water: the melachah of cooking explained. The concepts yad soledet bo, ein bishul achar bishul ("no cooking after cooking") and the kli rishon / kli sheni distinction, applied to today's kitchen.
Hilkhot Shabbat · Siman 308Can You Touch Your Phone or Money on Shabbat?
Muktzeh decoded: what may be moved, what is forbidden, the main categories — and the Rema's rule of "touching without moving." The cases of the smartphone, money and keys.
Hilkhot Shabbat · Siman 326Can You Shower or Bathe on Shabbat?
Hot water vs cold water, washing the whole body, face-hands-feet: what the Shulchan Aruch says about washing on Shabbat, and why the modern water-heater shower raises a question.
Hilkhot Shabbat · Siman 247Can You Have a Package Delivered on Shabbat?
Amazon, USPS, FedEx: handing a letter or package to a non-Jewish carrier before Shabbat. The 3 conditions of the Shulchan Aruch — ketzitzah, kvi'us, time margin — and the principle adata d'nafshei that illuminates all the modern cases.
Hilkhot Shabbat · Siman 261What Time Do You Light Shabbat Candles?
Bein hashmashot (twilight, a doubt), tosefet Shabbat (anticipating the entry) and the acceptance of Shabbat: what the Shulchan Aruch says about the precise moment of lighting — and where the custom of 18 minutes before sunset comes from.
Hilkhot Shabbat · Siman 319Can You Sort Food on Shabbat? (Borer Explained)
The melachah of borer decoded: the 3 conditions of permitted sorting — okhel mitokh psolet (the food, not the waste), by hand, and to eat right away (le'altar) — applied to salads and sorting at the table.
Hilkhot Shabbat · Siman 312Can You Use Toilet Paper on Shabbat?
Intimate hygiene on Shabbat: kevod habriyot (human dignity), wiping (kinuach) and the prohibition of cutting to a dimension (mechatech). Why tearing the roll is a problem — and the pre-cut paper solution.
Hilkhot Shabbat · Siman 327Can You Apply Cream or Perfume on Shabbat?
The sikhah (anointing) frame: pleasure vs medical care, the criterion mukhcha milta, and the prohibition of spreading (memareach). Why a fluid oil and a thick cream are treated differently.
More studies are coming — a new siman explored each week.