Hadith 8:274
Ibn 'Abbas (May Allah be pleased with them) reported:
It was the practice of the Messenger of Allah (ﷺ) to not to omit fast on 'bright days' whether he was staying at a place or on a journey. [An-Nasa'i] .
وعن ابن عباس، رضي الله عنهما، قال: كان رسول الله صلى الله عليه وسلم "لا يفطر أيام البيض في حضر ولا سفر" ((رواه النسائي بإسناد حسن)).