What is Tzom Tammuz?

I am watching the sun sink towards the horizon ending the day of Tzom Tammuz, the Fast of Tammuz, so this post will reach most of my readers too late for the actual day this year.

The 17th of Tammuz is a “minor” fast day in the Jewish year. It commemorates the breach of the walls of Jerusalem by the Roman army, shortly before the destruction of the Second Temple. It begins a three week period of increasingly deep mourning in Jewish life, running from Tzom Tammuz until Tisha B’Av, the day on which we remember the destruction.

A minor fast is one that is kept only from sunrise to sunset. It applies only to eating and drinking, unlike the major fasts of Tisha B’Av and Yom Kippur, on which we refrain not only from eating and drinking, but also from washing and anointing our bodies, wearing leather, and having sex. Major fasts last 25 hours, from sunset one day until three stars appear in the sky on the next.

Tzom Tammuz is the beginning of a three week period of mourning that leads up to Tisha B’Av, when we remember the Destruction of the Temple. I’m going to write a good bit more about that in coming days, but for now, just now that we have entered a time of mourning in Jewish life.

These minor fasts mark significant events in our life as a people. When you thinking about milestones in your own personal history, are there days you remember because they led up to major events? Do you do anything to mark them?

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Rabbi Ruth Adar is a teaching rabbi based in San Leandro, CA. She has many hats: rabbi, mom, poodle groomer, and ham radio operator K6RAV. She blogs at as the Coffee Shop Rabbi.

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