Seasons 2018, 2019, 2020
| Date | Event | Place |
|---|---|---|
| Dec 01, 2018 | Beginning of meteorological winter 2018 | Northern Hemisphere |
| Dec 21, 2018 | Winter Solstice 2018 | Northern Hemisphere |
| Seasons 2019 | ||
| Mar 01, 2019 | Beginning of meteorological spring 2019 | Northern Hemisphere |
| Mar 20, 2019 | First day of spring 2019 | Northern Hemisphere |
| Jun 01, 2019 | Beginning of meteorological summer 2019 | Northern Hemisphere |
| Jun 21, 2019 | Summer Solstice 2019 | Northern Hemisphere |
| Sep 01, 2019 | Beginning of meteorological autumn 2019 | Northern Hemisphere |
| Sep 02, 2019 | Last Day of Summer 2019 | USA |
| Sep 23, 2019 | Autumnal equinox 2019 | Northern Hemisphere |
| Dec 01, 2019 | Beginning of meteorological winter 2019 | Northern Hemisphere |
| Dec 21, 2019 | Winter Solstice 2019 | Northern Hemisphere |
| Seasons 2020 | ||
| Mar 01, 2020 | Beginning of meteorological spring 2020 | Northern Hemisphere |
| Mar 19, 2020 | First day of spring 2020 | Northern Hemisphere |
| Jun 01, 2020 | Beginning of meteorological summer 2020 | Northern Hemisphere |
| Jun 20, 2020 | Summer Solstice 2020 | Northern Hemisphere |
| Sep 01, 2020 | Beginning of meteorological autumn 2020 | Northern Hemisphere |
| Sep 07, 2020 | Last Day of Summer 2020 | USA |