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Seventeenth of Tammuz
Seventeenth of Tammuz
Official name	Hebrew: שבעה עשר בתמוז
Type	Jewish religious and national
Significance	Date when the walls of Jerusalem were breached
Observances	Fasting, prayer
Date	17th day of Tammuz
2024 date	23 July
2025 date	13 July
2026 date	2 July
2027 date	22 July
Related to	The fasts of the Tenth of Tevet and Tisha B'Av, the Three Weeks & the Nine Days

The Seventeenth of Tammuz (Biblical Hebrew: שִׁבְעָה עָשָׂר בְּתַמּוּז‎, Modern: Shiv'á Asár beTammúz, Tiberian (SBL): Šib̲ʿāʿāśār bəṯammuz)) is a Jewish fast day commemorating the breach of the walls of Jerusalem before the destruction of the Second Temple.^[2]^[3] It falls on the 17th day of the fourth Hebrew month of Tammuz and marks the beginning of The Three Weeks, a mourning period leading up to Tisha B'Av.^[4]

The day also traditionally commemorates the destruction of the two tablets of the Ten Commandments and other historical calamities that befell the Jewish people on the same date.^[2]

History

The fast of Tammuz, according to Rabbi Akiva's interpretation, is the fast mentioned in the Book of Zechariah as "the fast of the fourth [month]" (Zechariah 8:19). This refers to Tammuz, which is the fourth month of the Hebrew calendar.

According to the Mishnah,^[2] five calamities befell the Jewish people on this day:

Moses broke the two tablets of stone on Mount Sinai, when he saw the Golden calf;^[5]
During the Babylonian siege of Jerusalem the daily tamid offering ceased to be brought because no sheep were available;
During the Roman siege of Jerusalem, the city walls were breached, leading to the destruction of the Second Temple on Tisha B'Av;
Prior to Bar Kokhba's revolt, Roman military leader Apostomus burned a Torah scroll;
An idol was erected in the Temple.

The Babylonian Talmud places the second and fifth tragedies in the First Temple period.^[6]

The Book of Jeremiah (39.2, 52.6–7) states that the walls of Jerusalem during the First Temple were breached on the 9th of Tammuz. Accordingly, the Babylonian Talmud dates the third tragedy (breach of Jerusalem's walls) to the Second Temple period.^[6] However, the Jerusalem Talmud (Taanit IV, 5) states that in both eras the walls were breached on 17th Tammuz, and that the text in Jeremiah 39 is explained by stating that the Biblical record was "distorted", apparently due to the troubled times.^[7]

The Seventeenth of Tammuz occurs forty days after the Jewish holiday of Shavuot. Moses ascended Mount Sinai on Shavuot and remained there for forty days. The Children of Israel made the Golden Calf on the afternoon of the sixteenth of Tammuz when it seemed that Moses was not coming down when promised. Moses descended the next day (forty days by his count), saw that the Israelites were violating many of the laws he had received from God, and smashed the tablets.^[8]

Customs

As a minor fast day, fasting lasts from dawn to shortly after dusk. It is customary among Ashkenazi Jews to refrain from listening to music, public entertainment, and haircuts on fast days, and on this occasion because it is also part of The Three Weeks (see below, Bein haMetzarim).^[9] Other deprivations applicable to the major fasts (i.e. Yom Kippur and Tisha B'Av) do not apply.^[10]

If the 17th of Tammuz falls on a Shabbat, the fast is instead observed the next day, the 18th of Tammuz (on Sunday).^[11] This last occurred in 2022, and will occur again in 2029.

A Torah reading, a special prayer in the Amidah (Aneinu), and in many, but not all, Ashkenazic communities Avinu Malkenu are added at the morning Shacharit and afternoon Mincha services. Ashkenazi congregations also read a haftarah (from the Book of Isaiah) at Mincha. Congregations also recite during Shacharit a series of Selichot (special penitential prayers) reflecting the themes of the day.^[12]

Cycle of fasts

The 17th of Tammuz is the second of the four fasts commemorating the destruction of the Temple and the Jewish exile in Babylon. It is preceded by the fast of the Tenth of Tevet and arrives three weeks prior to the full-day fast of the Ninth of Av.^[12] The cycle is also associated historically with the Fast of Gedalia, which is observed on the third day of Tishrei.^[13]

Bein haMetzarim

The three weeks beginning with the 17th of Tammuz and ending with the Ninth of Av are known as Bein haMetzarim ("between the straits", i.e. between the days of distress), or The Three Weeks. Some customs of mourning, which commemorate the destruction of Jerusalem, are observed from the start of the Three Weeks.^[14]

The oldest extant reference to these days as Bein haMetzarim – which is also the first source for a special status of The Three Weeks – is found in Eikhah Rabbati 1.29 (Lamentations Rabbah, fourth century CE?). This midrash glosses Lamentations 1:3, "All [Zion's] pursuers overtook her between the straits."

The three weeks of mourning between the 17th of Tammuz and 9th of Av is cited^[15] as a rabbinically instituted period of fasting for the "especially pious". Such fasting is observed from morning to evening, common with other rabbi-decreed fasts.

References

^ ^a ^b ^c ^d "Dates for Tzom Tammuz". Hebcal.com by Danny Sadinoff and Michael J. Radwin (CC-BY-3.0). Retrieved August 26, 2018.
^ ^a ^b ^c Mishnah Ta'anit 4:6 – via Wikisource.
^ "Minor Fasts". Jewish Virtual Library. Retrieved June 2, 2017.
^ "The Three Weeks: Mourning the Destruction". Torah.org. 2007. Retrieved July 8, 2012.
^ When Moses descended from the mountain, he saw the letters engraved on the Tablets ascending. Therefore he broke the Tablets (Tanchuma, Ki Tissa #26). Moses made a great rectification. When he saw the letters ascending, he realized that sanctity was returning on high and that Godliness was becoming concealed again. By breaking the Tablets, Moses made sure that people would have to search for Godliness. And if they search, they will find it (Likutey Halakhot III, p. 33a)
^ ^a ^b Taanit 28b
^ The Roman Titus breached Jerusalem in the Second Temple period (Encyclopedia Judaica). Note that the Tosafot commenting on the Babylonian Talmud at Rosh Hashana 18b cite the Jerusalem Talmud as arguing with the Babylonian Talmud.
^ Rubin, Rabbi G. (2001). "The Giving of the Torah". Ohr.edu. Retrieved May 28, 2009.
^ "Laws and Customs: 17 Tammuz and the 3 Weeks". Crownheights.info. July 14, 2014. Retrieved July 1, 2018.
^ Shulchan Aruch OC 550:2.
^ "Fast of Tammuz | United Synagogue". www.theus.org.uk. Retrieved January 12, 2022.
^ ^a ^b "17th of Tammuz: History, Laws and Customs - >". Archived from the original on July 12, 2017. Retrieved July 10, 2017.
^ "Zechariah 8:19". www.sefaria.org. Retrieved August 15, 2024.
^ "17th of Tammuz". Aish.com. June 19, 2002. Archived from the original on August 15, 2018. Retrieved July 1, 2018.
^ Encyclopaedia Judaica, Second Edition, Volume 6. "Fasting and Fast Days". 2007. Keter Publishing House.