Sunan an-Nasa'i 1792
سنن النسائي#1792SahihIt was narrated from Abdur-Rahman bin Abdul-Qari that Umar bin Al-Khattab said:"Whoever misses his nightly portion and recites it from the time when the sun passes its zenith until Zuhr prayer, then he did not miss it, or it is as if he caught up with it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih Muquf
Zubair Ali ZaiHasan
In-book reference: 20:195