It is narrated from Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (ﷺ) mentioned the day of Friday and said: "On this day there is a moment in which, if a Muslim servant is standing in prayer and asks Allah for something, Allah will surely grant it to him." With a gesture of his hand, the Prophet (ﷺ) indicated that this moment is very brief.
Hadith Referenceمسند الإمام الشافعي / كتاب الجمعة / 464