When does summer start?
In our latitudes in particular, one often asks when summer really starts. Our four seasons often don't really want to go hand in hand with the weather. This article aims to explain from a scientific point of view when summer starts.
Do you know that too? It's mid-April and it's still bitterly cold, and one wonders whether spring shouldn't be slowly arriving. Soon it should actually give way to summer. So when does summer start?
Summertime: explanation of terms
- Summer time and winter time - if we ignore the importance of our time budget - actually refer to the solstice.
- This solstice occurs twice a year and marks the two days on which the sun measures the greatest possible north and south distance from the celestial equator.
- The celestial equator is the equator of the celestial sphere, a thought construct that can also be called the firmament. In the center of this celestial sphere is the earth. In a sense, the celestial equator is an extension of our own equator.
- After the summer solstice, the days slowly get shorter as winter approaches. After the winter solstice, they get longer again.
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- When the solstices begin will change over time, as there is a discrepancy between our calendar year and the time it takes the earth to travel once around the sun. The solstice begins in our time zone at the moment on the 21st. June and on 21. or 22. December (as of 2012).
When does summer start?
- Since the sun reaches this distance both north and south of the celestial equator, speaks one of summer and winter solstice, which are exactly opposite on the two earth hemispheres appear.
- So when it's summer here, winter begins in the southern hemisphere - and vice versa.
- In many countries, summer starts on the 21st. June on. It is easy to calculate when autumn, winter and spring will begin. They start every three months after summer and each other, i.e. September, December and March - around the 20th of each month. hereabouts.
- In our latitudes, summer usually includes June, July and August. With the 21st In June the calendar of summer starts with a certain delay.
- Therefore, on 21. June is often celebrated in midsummer, as the warmer weather associated with summer sets in earlier.
So when summer arrives for people can vary slightly. It can be said that the beginning of June is climatically equated with the beginning of summer.
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