The ruling on the fasting of a woman who menstruated before the sun set

Question:
A woman fasted, and when the sun was setting, a short time before the adhan, her menstruation began. Does this invalidate the fast in such a case? Yes. A woman fasted, and when the sun was setting, a short time before the adhan, her menstruation began.

Answer:
If her menstruation began before the sun set, she must make up this day because she did not complete it. Yes.