Past Prayer
There is a clear halachah in Shulchan Aruch (230:1) that a prayer on the past is a wasted prayer. The two examples offered are based on a Mishnah and Gemara in Berachos.
Emunah and Bitachon
How trust in Hashem can extend to situations where prayer is no longer appropriate, such as events that already occurred.
There is a clear halachah in Shulchan Aruch (230:1) that a prayer on the past is a wasted prayer. The two examples offered are based on a Mishnah and Gemara in Berachos.