Final answer:
The Islamic calendar is different from the Gregorian calendar in that it is based on the phases of the moon, has fewer days and more months, and is not linked to the seasons.
Step-by-step explanation:
The Islamic calendar is different from the Gregorian calendar in several ways:
- The Islamic calendar is based on the phases of the moon, while the Gregorian calendar is based on the solar year.
- The Islamic calendar has fewer days than the Gregorian calendar.
- The Islamic calendar has more months than the Gregorian calendar.
- The Islamic calendar is not linked to the seasons, unlike the Gregorian calendar.