Halacha:

Kiddush and Havdala,  Shabbat 

Holidays:

Tisha Bav 

References: Pesachim: 107A ,  Taanit: 10B ,  Pesachim: 106B ,  Berachot: 33A  

Description

When Tisha Bav comes out right after Shabbat, we say Havdalah on Sunday night- WHY? Three reasons why this Havdalah is not a "make-up" but right on time