Days left to donate!
Ends Midnight
Dec 31
>
Act now - your year-end gift fuels next year’s impact
Donate Now
Donate
Donate Now
Become a Member
Planned Giving
More Ways to Give
Programs
Community Engagement
Daf Yomi
Impact Accelerator
Israel Free Spirit
Jewish Action Magazine
JLIC/College Campus
Kosher
NCSY Alumni
NCSY/Teens
Yachad
OU Advocacy
OU Israel
OU Press
OU Research
OU Torah
Synagogue Initiatives
Teach Coalition
Women’s Initiative
The SPIRIT Initiative
Kosher
Torah
Holidays
Events
About
EVP Rabbi Moshe Hauer
EVP/COO Rabbi Dr. Josh Joseph
See the latest Impact Report
Jewish Calendar
Careers
Community Finder
Synagogue Finder
Contact
Donate
Donate Now
Become a Member
Planned Giving
More Ways to Give
Support Us
Donate Now
Become a Member
Planned Giving
More Ways to Give
Choose a Holiday
High Holidays
Rosh Hashanah
Tzom Gedaliah
Yom Kippur
Sukkot
Sukkot
Hosha'anah Rabah
Shemini Atzeret
Simchat Torah
Chanukah
Purim
Purim
Shushan Purim
Fast of Esther
Passover
Sefirat HaOmer
Lag BaOmer
Shavuot
Fast Days
Tisha B'Av
Asarah B'Tevet
Shiva Asar B'Tammuz
Other
The Three Weeks
Tu B'Av
Tu B'Shevat
Yom HaAtzmaut
Yom HaShoah
Months
Yom Hazikaron
Yom Yerushalayim
Shabbat
High Holidays
Rosh Hashanah
Tzom Gedaliah
Yom Kippur
Sukkot
Sukkot
Hosha'anah Rabah
Shemini Atzeret
Simchat Torah
Chanukah
Purim
Purim
Shushan Purim
Fast of Esther
Passover
Sefirat HaOmer
Lag BaOmer
Shavuot
Fast Days
Tisha B'Av
Asarah B'Tevet
Shiva Asar B'Tammuz
Other
The Three Weeks
Tu B'Av
Tu B'Shevat
Yom HaAtzmaut
Yom HaShoah
Months
Yom Hazikaron
Yom Yerushalayim
Shabbat
The 17th of Tammuz and the 9th of Av: The Function of Fasting
BY
Rabbi Avi Herzog
03 Jul 2023
Fast of Shiva Asar B'Tammuz
לעילוי נשמת הרב יום טוב משה בן חיים
Delivered at the OU Israel Center, 14 Tammuz 5783 / July 3, 2023
Keep Up with the OU
Sign up to get the best of the OU sent to your inbox each week
Related Articles
The Three Weeks
Aharon HaKohen’s Yahrzeit
By
Rabbi Sam Shor
July 25, 2025
The Three Weeks
Seeing The Good In One Another, Even When We Disagree
By
Rabbi Sam Shor
July 18, 2025
The Three Weeks
How All Aspects of Redemption Are Encompassed in Shabbos
By
Rabbi Daniel Glatstein
July 15, 2025
Fast of Shiva Asar B'Tammuz
Shiva Asar B’Tamuz – Mourning the Assimilation of the Jewish People
By
Rabbi Daniel Glatstein
July 14, 2025
