There isn't a single month that is considered "forbidden" in Islam. However, there are four sacred months in the Islamic calendar during which warfare and acts of aggression are prohibited. These months are:
- Muharram: The first month of the Islamic calendar, it is considered sacred because it marks the beginning of the year and the migration of the Prophet Muhammad from Mecca to Medina.
- Rajab: The seventh month of the Islamic calendar, it is a month of preparation for the holy month of Ramadan.
- Dhu al-Qadah: The eleventh month of the Islamic calendar, it marks the beginning of the Hajj pilgrimage season.
- Dhu al-Hijjah: The twelfth and final month of the Islamic calendar, it is the month in which the Hajj pilgrimage takes place.
These months are considered sacred because they hold special significance in Islamic history and tradition. They are a time for reflection, peace, and spiritual renewal.