As we can see from its restrictions and allowances, Tisha B’Av is decidedly not a Yom Tov. But then what is it? 

Moed: An Appointed Time with G-d 

While Tisha B’Av certainly doesn’t fit the categorization of Yom Tov, it does have a special status among the fast days. In the Book of Lamentations (Eicha), which we recite on Tisha B’Av, the prophet Jeremiah refers to Tisha B’Av as a kind of “moed,” or holiday: “The Lord has trampled all my mighty men in my midst, He summoned a ‘moed’ [lit- “appointed time”] against me to crush my young men” (1:15). 

In the Torah, moadim are special days that G-d has set aside for the Jewish people to “meet” and connect with Him; many holidays, such as Passover, Shavuot, Rosh Hashanah, Yom Kippur, and Sukkot earn the Torah’s description of “moed.” The word “moed” can also refer to a place, such as the “ohel moed,” the Tabernacle where the Israelites worshiped G-d in the wilderness. The moadim signify the special relationship between G-d and the Jewish people—as if G-d were making a private date with us to spend quality-time together and strengthen our relationship. 

It seems rather odd, then, that Jeremiah would refer to Tisha B’Av—the tragic day when G-d destroyed His place of meeting with us, and our relationship with G-d suffered a major rift—as a moed. What does this categorization suggest about the true meaning of Tisha B’Av and its proper observance? 

Spiritual Implications

How can Tisha B’Av be both the saddest day in the Jewish calendar and a holiday? The Sages confront the same question and offer a number of possibilities:

• Spared the Worst: The destruction of Jerusalem led to mass Jewish deaths. Yet, when the Temple went up into flames, the Jews saw that G-d had finally turned His anger away from them and was taking it out instead on His holy abode. The Midrash describes the situation using a parable: it is like a father who builds his son a beautiful wedding canopy. When his son misbehaves, the father destroys the wedding canopy instead of taking out his anger on his son (Midrash Eicha Rabbah 4:14). On Tisha B’Av, we find comfort—even joy—in the mercy G-d showed when He destroyed His house instead of His people. Our gratitude for G-d’s mercy warrants a moed.
• G-d’s Unconditional Love: In the Temple, above the Aron HaKodesh [the Holy Ark], were statues of two cherubim, or angels. The Talmud says that when Israel acted according to G-d’s wishes, the cherubim would miraculously embrace; when Israel rebelled against G-d, the cherubim would face away from each other (Bava Basra 99a). The position of the cherubim was a way for the Jewish people to ascertain the status of their relationship with G-d. Incredibly, the Gemara says, during the destruction of the Temple, the cherubim were found embracing (Yoma 54B). Even at our moment of greatest distance from G-d, G-d was still close to us. On that day, we learned that G-d’s love for the Jewish people is truly unconditional. Even in exile, G-d is with us. That fact gives us hope– and the motivation to work towards a happier future.
• A Hidden Simcha: There are 22 days between the 17th of Tammuz, the fast day when we begin mourning for the Temple, and Tisha B’Av. Similarly, there are 22 days between Rosh Hashana and the end of the Yom Tov period during the month of Tishrei. If each day in the Tammuz-Av period (between the 17th of Tammuz and Tisha B’Av) is paired with a day during the Tishrei period, we see that Tisha B’Av (the final day of the Tammuz-Av period) matches up with Simchat Torah (the final day of the Tishrei period). This match-up suggests that one day, Tisha B’Av will encompass the joy of Simchat Torah! 
• Future Redemption: The Sages suggest that we consider Tisha B’Av a moed on account of the future transformation of the day from one of mourning to one of redemption. They find a source for this in the prophet Zechariya’s proclamation: 
• “The fast of the fourth [month], the fast of the fifth [month- Tisha B’Av], the fast of the seventh [month], and the fast of the tenth [month] shall be for the house of Yehuda for joy and for happiness and for good mo’adim” (8:19). The Sages also claim that it was during the time of afternoon prayers on Tisha B’Av, when the Temple was in flames, that the Messiah was born (Midrash Eichah Rabba 1:51). Additionally, the actual act of coming together as a people to mourn our national tragedy of losing the Temples and the tragedies of our brothers and sisters throughout history brings unity to Am Yisrael, counteracting the Sinat Chinam [baseless hatred] that caused the Temples’ destruction. So while Tisha B’Av is a time of great sorrow, it is also a time of great potential and hope, when we yearn for the future redemption and seek to bring it about through our unity. 

Halachic Implications

Classifying Tisha B’Av as a moed isn’t only spiritually significant; it also has halachic ramifications. Because Tisha B’Av is a moed, we:

• Don’t recite Tachanun [prayers of confession/supplication] during mincha [afternoon prayers] before Tisha B’Av or on the day of Tisha B’Av itself. Typically, we say Tachanun every day except on Shabbat, holidays, and special joyous occasions. 
• Add the prayer Nachem during mincha to ask G-d to console us. 
• Some Sages claimed that we should not say Aneinu [a prayer which is typically recited on fast days] on Tisha B’Av during the Shemonah Esrei [the Amidah]. 

We not only hope for the day when Tisha B’Av will turn from a “moed” of mourning to a “moed” of joy; we anticipate it through structuring the day like a holiday.

Final Takeaways 

Tisha B’Av is a day filled with paradoxes. It’s certainly not a Yom Tov, but it’s also not a typical fast day; it’s called a moed, but it’s qualitatively different from the other moadim listed in the Torah; it’s a day of mourning, but also one of hope. Tisha B’Av’s status as a “moed yet to be realized” reveals to us the immense potential latent in the day– the potential for the day of our greatest tragedy to transform into our greatest redemption. May we soon merit to see Tisha B’Av transform from a day of sadness to one of hope, from a moed of tragedy to a moed of the greatest simcha we can imagine.

Sources:

• https://torahmitzion.org/learn/tisha-bav-a-moed/#:~:text=How%20can%20such%20a%20tragic,will%20become%20days%20of%20joys
• https://www.chabad.org/library/article_cdo/aid/4817724/jewish/Why-Is-Tisha-BAv-Afternoon-Less-Mournful.htm   
• https://www.torahweb.org/torah/2021/moadim/rros_9av.html 
• https://torah.org/torah-portion/nesivosshalom-holiday/

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