A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. By extension, this can be applied to any planet: for example, a "Martian year" is a year on Mars.
Seasonal year
A
seasonal year is the time between successive recurrences of a
seasonal event such as the flooding of a river, the migration of a species of bird, the flowering of a species of plant, the first frost, or the first scheduled game of a certain sport. All of these events can have wide variations of more than a
month from year to year.
Academic Year
An
academic year refers to the annual period during which a student attends school or college.
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John's Best Albums of 1993 - Brief review of Year After Year.