Today's Mishnah Yomi
Oholos 12:1 - 12:2
The Mishnah Yomi for Friday, October 23, 2026 is Oholos 12:1 - 12:2
Mishnah 1
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Mishnayos Oholos Perek 12 Mishnah 1
אהלות פרק י"ב משנה א׳
Bartenura
נסר שהוא נתון על פי תנור חדש. שלא הוסק, דלא מקבל טומאה. ובתנור העומד בחצר או בגינה איירי:
בפותח טפח. שהנסר רחב ויוצא חוץ לתנור טפח סביב מכל צדדיו:
שעל גביו. שעל גבי הנסר:
טהורים. דכיון שהתנור טהור, ניצולים הכלים. וכן אם טומאה על גבי הנסר וכלים תחת הנסר:
ובישן. כגון שהוסק התנור דמקבל טומאה:
טמא. התנור. שאין הנסר מצילו. וכל שכן כלים שתחת הנסר ושעל הנסר. וטעמא דמתניתין, דכלים נעשים אהלים לטמא אבל לא לטהר, הלכך חדש דלאו כלי הוא מציל, ישן דכלי הוא אינו מציל:
ור׳ יוחנן בן נורי מטהר. דוקא בתנור. אבל בכלים מודה דטמאין. והכי איתא בתוספתא:
נתון על שני תנורים. ראש הנסר על תנור זה וראשו השני על תנור אחר וטומאה בין שני התנורים. ובתנורים ישנים איירי. ואזדי רבנן לטעמייהו ורבי יוחנן בן נורי לטעמיה. ואין הלכה כר׳ יוחנן בן נורי:
Mishnah 2
Mishnayos Oholos Perek 12 Mishnah 2
אהלות פרק י"ב משנה ב׳
Bartenura
סרידא (coarse web or matting/stuffed matting used for stoppers of stoves) – like a kind of earthenware lattice-work/grid/mesh. It is the Aramaic translation of (Exodus 27:4, 38:4): “a grating of meshwork”/מעשה רשת – making mesh. And it is smooth and the leftover is outside of the oven a handbreadth from every side.
הכל טמא – vessels that are underneath it and that are above it, except from vessels that are on top of it opposite the airspace of the oven, because the tent brings defilement underneath it all around the oven and returns and bursts forth above. But even the defilement that is above bursts forth downwards and it is stretched around and returns and bursts forth above.
כנגד אוירו של תנור טהור – for it is surrounded by an airtight seal and interrupts it.
כנגדו עד הרקיע טמא – but what is underneath it is ritually pure.
סרידא. כמין שבכה של חרס. תרגום מעשה רשת, עובד סרדתא. והיא חלקה ועודפת חוץ לתנור טפח מכל צד:
הכל טמא. כלים שתחתיה ושעל גבה חוץ מכלים שעל גבה כנגד אוירו של תנור, לפי שהאוהל מביא טומאה תחתיה כל סביב התנור וחוזרת ובוקעת למעלה. ואף כשהטומאה למעלה, בוקעת למטה ונמשכת סביב וחוזרת ובוקעת למעלה:
כנגד אוירו של תנור טהור. שהרי הוא מוקף צמיד פתיל ומפסיק:
כנגדו עד הרקיע טמא. אבל מה שתחתיו טהור:
Mishnah Yomi FAQ
What is Mishnah Yomi?
Mishnah Yomi is a daily study program where participants study two mishnayot (individual teachings from the Mishnah) every day. By following this program, one can complete the entire Mishnah in about six years.
What is the Mishnah?
The Mishnah is the first major written collection of Jewish oral traditions, forming the basis of the Talmud. It dates back to around 200 CE and consists of teachings and discussions of Jewish law by various rabbis.
Who started the Mishnah Yomi program?
In 1934, the Kozoglover Gaon, Rav Aryeh Tzvi Frommer, who took over from Rav Meir Shapiro (the founder of Daf Yomi) as the head of Yeshivas Chachmei Lublin, initiated the Mishnah Yomi cycle, focusing on Seder Zeraim and Seder Taharos. After World War II, in 1947, Rav Yonah Sztencl, a disciple of Rav Frommer, expanded the program, advocating for a comprehensive study of Shishah Sidrei Mishnah. The idea of studying two Mishnayos daily gained the support of figures like Rav Isser Zalman Meltzer, the Tchebiner Rov, and the Gerer Rebbe, marking the formal inception of Mishnah Yomi.
How long does it take to complete the Mishnah with Mishnah Yomi?
Following the Mishnah Yomi program, one can complete the Mishnah in approximately six years.
Can anyone join Mishnah Yomi?
Yes, anyone interested in studying the Mishnah can start the Mishnah Yomi cycle. There’s no need for prior knowledge; beginners are welcome.
Do I need to know Hebrew to study Mishnah Yomi?
While the Mishnah is originally in Hebrew, there are numerous translations and commentaries available in various languages, making it accessible to anyone interested in studying.
Is there a specific time of day to study Mishnah Yomi?
There’s no designated time. Participants can choose a time that best fits their schedule.
Can I study Mishnah Yomi with a group?
Yes, many communities and synagogues organize group study sessions for Mishnah Yomi. Studying in a group can enhance understanding and foster camaraderie.
What if I miss a day?
If you miss a day, you can catch up by studying the missed mishnayot alongside the current day’s study or by dedicating some extra time until you’re back on track.
נסר שהוא נתון על פי תנור חדש – that was not heated/kindled, that is not susceptible to receive ritual defilement, And we are speaking of an oven that stands in the courtyard or in the garden.
בפותח טפח – that the board is wide and extends outward from the oven a handbreadth around it from all its sides.
שעל גביו – on top of the board.
טהורים – for since the oven is pure, the vessels are protected, and similarly, if defilement is on top of the board and the vessels are underneath the board.
ובישן – as for example, that the oven was heated that is susceptible to receive ritual defilement.
טמא – the oven [is impure]. The board does not protect it. And all the more so, thew vessels that are under the board and that are on the board. And the reason of our Mishnah is that vessels become tents to defile but not to purify, therefore, a new [oven] which is not a vessel protects. An old [oven] which is a vessel does not protect.
ור' יוחנן בן נורי – specifically with an oven. But regarding vessels, he (i.e., Rabbi Yohanan ben Nuri) agrees that they are impure. And this is brought in the Tosefta (Tractate Ohalot, Chapter 13, Halakha 1).
נתון על פי שני תנורים – the head of the board on this oven and the other head of the board on the other oven and there is defilement between the two ovens, and we are speaking of old ovens. But the Rabbis go according to their reasoning and Rabbi Yohanan ben Nuri according to his reasoning. But the Halakha is not according to Rabbi Yohanan ben Nuri.