Question

Do modern day Jews observe the fast on the 10th of Muharram?

Answer 1

is observed on the 10th day of Tishrei, the seventh month of the Hebrew calendar (if the calendar starts with Nisan, the month of the Exodus of the Israelites from Egypt), or its first month (marking the start of the civil year).

It is a day of atonement, and a very unique day in modern Israel, even for the large secular population: many who do not practice Judaism throughout the year might still fast on this day.

Each region has its own tradition and atmosphere, but generally no one works on Yom Kippur, cars are off the roads, many households do not use electricity, and people are gathered in synagogues or just outside if they don't pray.

Because the Hebrew calendar has leap years, it rarely coincides with 10th of Muharram.