Fasting: Is a Shared Horizon Necessary for Valid Crescent Moon Sighting?

Practical Laws of Islam as per the teachings of Imam Khamenei

Fasting: Is a Shared Horizon Necessary for Valid Crescent Moon Sighting?

English:

Question #834:

Is the sameness of horizon considered to be a condition in regards to observing the crescent?

Answer #834:

Yes, it is a condition.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Fasting