(2) باب الْخُرُوجِ إِلَى الْعِيدَيْنِ مِنَ الْغَدِ
It was narrated from 'Umair bin Anas from his paternal uncles, that :
Some people saw the crescent moon and came to the Prophet (ﷺ), and he told them to break their fast after the sun has risen and to go out for 'Eid the (morning of the) following day.
Reference: Sunan an-Nasa'i 1557
In-book reference: Book 19, Hadith 2
English translation: Vol. 2, Book 19, Hadith 1558