17 TAMMUZ
שבעה עשר בתמוז« A breach always begins with a crack. »
Next occurrenceFrom the evening of Wednesday 21 July 2027 until Thursday 22 July 2027 · In 267 days
The feast begins the evening before, at sunset.
Calendar: choose your city to determine the Israel or Diaspora context.
The essentials
In brief
The 17th of Tammuz is a minor fast: it begins at dawn and ends at nightfall.
It recalls in particular the breach opened in the walls of Jerusalem, which preceded the destruction.
This day opens the period that leads to the 9th of Av.
LEARN MORE ABOUT 17 TAMMUZ ↓
WHAT THIS DAY REMEMBERS
The Mishna connects several events with this date, among them the breach opened in the city of Jerusalem.
It is therefore not an isolated date: it marks the moment when the protection of the city gave way.
Reference: Mishna Ta’anit 4:6.
THE PERIOD LEADING TO THE 9TH OF AV
From the 17th of Tammuz to the 9th of Av, tradition establishes a period of gradually deepening mourning.
The practices of this period are detailed in the halakhic authorities and differ between communities.
For your own practice, ask your Rav. Marker: Shulchan Aruch, Orach Chaim 549-551.
THE ESSENTIAL IDEA
A wall does not fall all at once: a breach opens first.
This fast invites us to look at what is weakening — in a community as in a life — before the rupture becomes irreparable.
Editorial references: Mishna Ta’anit 4:6 · Zechariah 8:19 · Shulchan Aruch, Orach Chaim 549-551
Festival dates
From the evening of Wednesday 21 July 2027 until Thursday 22 July 2027
י״ז תַּמּוּז תשפ״ז
The feast begins the evening before, at sunset.
Key points
- The 17th of Tammuz is a minor fast, from dawn until nightfall.
- The Mishna lists five events connected with this date.
- This day opens the period leading to Tisha B’Av.
- It is not the same as the 9th of Av, whose fast is longer.
PRACTICAL INFO — THIS OCCURRENCE
Jerusalem
Times for this occurrence, calculated for Jerusalem (Israel) in its own time zone.
Times are unavailable for this date and city.
For any personal situation or halachic question, seek guidance from your Rabbi.
What this feast teaches us
« This day invites us to look at what is cracking before it collapses. »
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