![]() The tilt determines whether the Sun’s rays strike at a low angle or more directly. In reality, it is due to the 23-degree tilt of the Earth’s axis that the Sun appears above the horizon for different lengths of time at different seasons. Some people believe that our seasons are caused by the Earth’s changing distance from the Sun. Autumn equinox 2023 (beginning of astronomical autumn) On the day of the autumn (September) equinox, the sun, moving along the ecliptic, crosses the celestial equator, moving from the northern hemisphere to the southern. According to the astronomical definition of the seasons, the vernal equinox marks the beginning of spring, which lasts until the summer solstice (June 20 or 21 in the Northern Hemisphere, December 21 or 22 in the Southern Hemisphere). This phenomenon is most noticeable at the Arctic Circle where the Sun hugs the horizon for a continuous 24 hours, thus the term “Land of the Midnight Sun.” Here’s how it differs from an equinox. Tony the exact moment of the summer solstice in 2023 is 21 june, at 09:57:14. Thus, there is no summer equinox, only summer solstice is recognized. To people who live in Earths northern hemisphere, this astronomical event signals the arrival of spring, winters end, and the increasingly warm and brighter days that come with the pending arrival of summer. At the solstice, the angle between the Sun’s rays and the plane of the Earth’s equator (called declination) appears to stand still. The summer and winter solstices result in the longest and shortest day of the year respectively while the equinoxes result in an equal amount of daylight and. The years spring equinox, also called the March or vernal equinox, falls on Monday March 20, at 5:24 p.m. ![]() The term “solstice” comes from the Latin words sol (sun) and sistere (to stand still). The summer solstice can occur anywhere between June 20-22. In the Southern Hemisphere, the summer solstice occurs on either December. This example is from Wikipedia and may be reused under a CC BY-SA license. It all depends on when the Sun reaches that northernmost point from the equator. The summer solstice occurs in the Northern Hemisphere on either June 20th or 21st. The March equinox happened at 2:54 am on March 21, marking the end of winter in the northern hemisphere and the end of summer in the southern hemisphere Ma11:47 am Updated 11:47. The summer solstice occurs during a hemispheres summer. The timing of the summer solstice is not based on a specific calendar date or time. Why Isn’t Summer on the Same Date Every Year? The solstice happens at the same moment for everyone, everywhere on Earth. For those who live in the Southern Hemisphere, this was the shortest day of the year and the arrival of winter.
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