Ali (RAA) narrated that al-Abbas (RAA) asked the Messenger of Allah (ﷺ) to allow him to pay his Zakah before its due date, and he gave him permission to do so.' Related by At-Tirmidhi and Al-Hakim. (IT)
English reference (IT): Book 4, Hadith 634 (IT)
Arabic reference (IT): Book 4, Hadith 611 (IT)