Shaykh Abdul-Muhsin Al-Abbaad was asked:

Question:

“Does the Walimah have a timing that it be before entering [upon the wife] or after it? Does it have a time that ends?

Answer:

“It is allowed to have it before, during, or after”. End translation. [Sharh Tirmidhi no.129]

Translated by

Faisal Ibn Abdul Qaadir Ibn Hassan
Abu Sulaymaan