In Islam, greeting one another is considered a important aspect of social etiquette and a way to show respect and kindness. Here are the traditional Islamic greetings:

*Formal Greetings*

1. *As-salamu alaykum* (السلام عليكم): This is the most common Islamic greeting, which means “Peace be upon you.”

2. *Wa alaykum as-salam* (وعليكم السلام): This is the response to the greeting, which means “And upon you be peace.”

*Informal Greetings*

1. *Salam* (سلام): A shorter version of the formal greeting, which means “Peace.”

2. *Marhaba* (مرحبا): A more casual greeting, which means “Hello” or “Welcome.”

*Greetings During Different Times of the Day*

1. *As-salamu alaykum*: Can be used at any time of the day.

2. *Marhaba*: Can be used during the day or evening.

3. *Assalamu alaykum wa rahmatullahi wa barakatuhu* (السلام عليكم ورحمة الله وبركاته): A longer greeting that includes a blessing, often used during formal occasions or in the evening.

*Greetings During Special Occasions*

1. *Eid Mubarak* (عيد مبارك): Used to greet one another during Eid celebrations.

2. *Ramadan Mubarak* (رمضان مبارك): Used to greet one another during the month of Ramadan.

Remember, the key to Islamic greetings is to be sincere, respectful, and kind.