shadan
when do Muslims know when to start and stop fasting
Something is compulsory if you have to do it, if you are forced to do it. If you have a choice, it's non-compulsory.
Christians do not have a fasting month, only Muslims do.
NOT eg non-compulsory = not compulsory
Yes. Muslims use scents everyday as it is considered a rewardable act in Islam to wear non-alcoholic scents (Itr).
Ramadhan
differentiate between complusory and non-compulsory insurance and examples of each
The holy month of Fasting on the Islamic calender is called "Ramadan"
Ramadan. The five pillars (for Sunni Muslims) include fasting, and Ramadan is the time of fasting. Shia Muslims have fasting as one of their practices rather than a pillar of faith.
from the age of puberty.
doing fasting
Muslims stop fasting when they can see the new moon that is the first day of next Islamic calendar month.