Maghrib is the fourth of the 5 day by day prayers in Islam, carried out after sundown. It’s an compulsory prayer, and Muslims are required to carry out it on the prescribed time.
There are various advantages to praying Maghrib on time. First, it’s a strategy to present obedience to Allah. Second, it’s a strategy to search forgiveness for one’s sins. Third, it’s a strategy to earn rewards from Allah. Fourth, it’s a strategy to join with different Muslims in prayer.