Reference for Moed Katan 48:10
אדבריה רב פפא לרב אויא סבא ודרש יום אחד לפני ראש השנה וראש השנה הרי כאן ארבעה עשר אמר רבינא הלכך יום אחד לפני החג וחג ושמיני שלו הרי כאן עשרים ואחד יום
R'Shesheth heard of this and was indignant, saying, Is that his own view? It is what R'Eleazar said, as citing R'Oshaia! For R'Eleazar, citing R'Oshaia, said: Whence is derived the ruling that 'Azereth [the Feast of Weeks] is allowed a supplementary extension to full seven days?<span class="x" onmousemove="('comment',' For making the prescribed 'festive' offering at the Temple. If one had been unable to make it on the festival itself, it may be done up to the seventh day after.');"><sup>12</sup></span> From what is said: Three times in a year shall all thy males appear before the Lord thy God in the place He shall choose: on the Feast of Unleavened Bread and on the Feast of Weeks and on the Feast of Tabernacles; and they shall not appear before the Lord thy God empty.<span class="x" onmousemove="('comment',' Deut. XVI, 16.');"><sup>13</sup></span>
Explore reference for Moed Katan 48:10. In-depth commentary and analysis from classical Jewish sources.