Question:
Hi,
If a person was buried on October 14, 2024 (12 Tishrey). When would be Shloshim?
Answer:
The 1st day of Cheshvan. Erev Succos is counted as if you already observed 7 days, Succos is another seven days, shemini Atzeres is counted as another seven days. then another nine says from then, comes out the first day of Cheshvan (2nd day Rosh Chodesh), which comes out on Shabbos.
Sources:
O"CH 548-16