When is Yom Kippur observed in the Hebrew calendar?

On which dates does Sukkot begin in the Hebrew calendar?

When is Tisha B'Av observed in the Hebrew calendar?

On which date does Simchat Torah occur in the Hebrew calendar?

When is Shmini Atzeret observed in the Hebrew calendar?

On which date does Shiva Asar B'Tammuz occur in the Hebrew calendar?

Which of the following dates is not associated with a Jewish holiday in the Hebrew calendar?

Which holiday is celebrated on כ"ה כסלו in the Hebrew calendar?

What is the significance of ט"ו תשרי in the Hebrew calendar?