Jami` at-Tirmidhi 698

جامع الترمذي#698Sahih

Umar bin Al-Khattab narrated that:The Messenger of Allah said: "When the night advances and the day retreats, and the sun is hidden, then the fast is to be broken

Scholarly Authentication

We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:

Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufSahih
Zubair Ali ZaiSahih - Agreed Upon

In-book reference: 8:17