What are the timings of chast salah?
بسم الله الرحمن الرحيم
(Fatwa: 1633/1364/B=10/1435)
The time of chast salah starts 20 minutes after sunrise and remains until Zawal. However, it is better and mustahab to offer it when one fourth day is passed.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband