Hadithcore
Hadith #2107410

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.

وَعَنْ عَلِيٍّ ‏- رضى الله عنه ‏- أَنَّ اَلْعَبَّاسَ ‏- رضى الله عنه ‏- { سَأَلَ اَلنَّبِيَّ ‏- صلى الله عليه وسلم ‏-فِي تَعْجِيلِ صَدَقَتِهِ قَبْلَ أَنْ تَحِلَّ, فَرَخَّصَ لَهُ فِي ذَلِكَ } رَوَاهُ اَلتِّرْمِذِيُّ, وَالْحَاكِم ُ [1]‏ .‏

References2 variants
Sunnah.com reference
Book 4, Hadith 14
Arabic/English book reference
Book 4, Hadith 634