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Seclusion in the mosque — the Prophet's ﷺ practice in Ramadan's close.
I'tikaf is remaining in a mosque for worship, cutting ordinary worldly distractions for a set period. The Prophet ﷺ regularly performed i'tikaf in the last ten nights of Ramadan, seeking Laylat al-Qadr with focused worship rather than leaving the mosque for ordinary errands (Sahih al-Bukhari 2026).
Classical teaching treats a complete i'tikaf of the last ten nights as a confirmed sunnah when a person is able. Details of what breaks it, whether women may observe it in a designated mosque space, and how work or family duties interact with it vary by school — this guide only establishes the practice and its purpose: sustained Qur'an, prayer, and du'a in the nights most likely to include Laylat al-Qadr.
If full mosque seclusion is not possible, shorten the gap: stay longer after tarawih, reserve quieter corners of the night at home for qiyam and Qur'an, and protect those hours from unnecessary distraction. The reward is tied to sincere worship, not only to a formal label of i'tikaf.

Hadith

Sahih al-Bukhari · 2026
Sahih
The Prophet ﷺ used to practice I'tikaf in the last ten nights of Ramadan till he died, and then his wives used to practice I'tikaf after him.

Practical steps

1
If your mosque offers i'tikaf, ask early about registration and the rules they follow.
2
If you cannot stay overnight, still lengthen your presence for Qur'an and qiyam in the last ten nights.
I'tikaf has detailed fiqh conditions (intention, leaving the mosque, intimacy, women's arrangements). Confirm with a qualified local scholar or your mosque before committing.
This guide does not endorse a single fixed calendar date or folk 'signs' for identifying the night — only what the Qur'an and authentic hadith state.