Someone who can not remember what day is Shabbat

From All: R Yitzchak Blau by R Yitzchak Blau.

• Published: 2017-03-02T00:00:00Z
• Duration: 54:30
• Audio: https://shiurim.yutorah.net/2017/30423/873953.MP3
• Page: https://yutorah.org/lectures/873953
• TorahApp: https://torahapp.org/share/p/YU_80022_all/e/yu%3A873953