Arukh HaShulchan, Orach Chaim 264:10-265:6

Sugya Map

• Issue: The nature of tosefet Shabbos – is it an individual's personal acceptance (kabbalah) or an objective change in the day's status?
• Nafka Mina(s):
  1. Permissibility of melacha by a non-Jew (nachri) during the tosefet period.
  2. Permissibility of melacha by a Jew who has not yet accepted Shabbos (shelo kibel Shabbos) during the tosefet.
• Primary Sources: Gemara Yoma 81b¹; Rambam, Hil. Shabbos 29:7²; Shulchan Arukh, Orach Chaim 263:4, 264:10³.

Text Snapshot

"וכל זה דוקא בישראל המקבל שבת קודש מבעוד יום, שאז נאסר עליו במלאכה וכל דיני שבת. אבל אם לא קיבל שבת, או גוי – מותר לו לעשות מלאכה עד השקיעה."⁴

The Aruch HaShulchan's use of "וכל זה דוקא בישראל המקבל שבת" (and all this is specifically for a Jew who accepts Shabbos) highlights the personal nature of the prohibition. The contrasting "אבל אם לא קיבל שבת, או גוי – מותר לו לעשות מלאכה עד השקיעה" (but if he did not accept Shabbos, or a non-Jew – it is permitted for him to do melacha until shekiya) clinches the individualistic interpretation.

Readings

Rambam (Hil. Shabbos 29:7)

The Rambam defines tosefet Shabbos as a positive commandment (mitzvat assei) to extend the holy day from the mundane⁵. This emphasizes the individual's active role in adding to the Shabbos, rather than the day itself becoming objectively sanctified for all.

Magen Avraham (OC 263:10)

The Magen Avraham discusses the issur of melacha after plag ha'mincha for one who accepted Shabbos, contrasting it with one who did not. He explicitly states that if one did not accept, melacha is permitted, aligning with the AH's focus on personal kabbalah⁶.

Friction

The strongest kushya is why the Gemara (Yoma 81b) uses the language "מוסיפין מחול על קודש" (we add from the mundane to the holy) implying a collective, objective act, if the issur is purely individual. The Aruch HaShulchan resolves this by asserting that while the opportunity to add is collective, the actualization of the issur for melacha is contingent on the individual's kabbalah. The tosefet is a din in the person, not solely in the zman.

Intertext

The concept of "קבלת שבת" (accepting Shabbos) m'biyod yom (while it is still day) finds an early parallel in Sukkah 27b, where Rabba accepts Shabbos early, demonstrating the personal prerogative to initiate the sanctity⁷.

Psak/Practice

The Aruch HaShulchan's ruling is the accepted halacha: a non-Jew may perform melacha until shekiya, and a Jew who has not personally accepted Shabbos early is also permitted to do so⁸. This is a critical distinction, preventing an issur melacha from being imposed indiscriminately on those who have not undertaken the personal kabbalah.

Takeaway

Tosefet Shabbos is fundamentally a personal act of sanctification, empowering the individual to extend the holy, rather than a cosmic redefinition of time.

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¹ Yoma 81b. ² Rambam, Hilchot Shabbos 29:7. ³ Shulchan Arukh, Orach Chaim 263:4, 264:10. ⁴ Arukh HaShulchan, Orach Chaim 264:10. ⁵ Rambam, Hilchot Shabbos 29:7. ⁶ Magen Avraham, Orach Chaim 263:10. ⁷ Sukkah 27b. ⁸ Arukh HaShulchan, Orach Chaim 264:10, 265:3-4.