Classes

Kislev to Teves, Longer Version. is the only Yom Tov that starts in one month and ends in another. From Kislev (the third) to Teves (the fourth) of the winter months.

Kislev to Teves, Shorter Version. Chanuka is the only Yom Tov that starts in one month and ends in another. From Kislev (the third) to Teves (the fourth) of the winter months.

Why Chanuka is at the end of the month and actually goes from (the end [disappearing moon] of) one month into (the birth of) another, Rosh Chodesh Teves is where ruchniyus translates into Gashmiyus.