Taanit 10a and Taanit 10b, more on where the waters come from, and then on the timing of asking for rain, fasting for rain, and who needs to fast in the early fasts, what to do if the time of trouble is resolved before the fasts are completed.
Taanit 10a and Taanit 10b, more on where the waters come from, and then on the timing of asking for rain, fasting for rain, and who needs to fast in the early fasts, what to do if the time of trouble is resolved before the fasts are completed.