seasonal cycle
Year's repeating pattern
A seasonal cycle is the recurring pattern of changes that occurs over the course of a year, driven by Earth's orbit around the sun.
Plants, animals, weather, and human activities follow seasonal cycles: The seasonal cycle of blooming and dormancy governs the garden.
Agriculture, migration, and many traditions are organized around seasonal cycles.
- winter solsticeShortest day, longest night
- solsticeDay of maximum tilt
- axial tiltRotational axis deviation
- spring equinoxDay and night match
- equinoxSun crosses celestial midline
phenology · migration · hibernation · apple picking · pumpkin spice · dormancy · monsoon · deciduous trees · cherry blossoms · molting · fruit ripening · frost · El Niño · estivation · leaf fall · fall harvest · perihelion · heatwave
- calendarscalendar, calendar day, calendar year, calendar month, lunar calendar
- cyclescircle of life, cycles, period, rhythms, oscillations
- time cyclesseasons, day, day and night, week, circadian rhythm
- recurring elementspattern, loop, refrain, repetition, echo
- life stagesbaby, teenager, adult, childhood, adolescence
- holy daysEaster Sunday, holy day, Easter Week, Christmas Eve, sabbath day
cyclicality
seasonal cyclelinear progression
Movement in one direction only
linear time · irreversible change · finality · extinction event