What is an equinox and a solstice?
Just remember that solstices are the longest and shortest days of the year, while equinoxes occur when the day and night are equally as long. Regardless of whether it’s a solstice or an equinox, there’s bound to be a celebration happening somewhere.
Is September 21 an equinox?
The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Due to differences between the calendar year and the tropical year, the September equinox may occur anytime from September 21 to 24.
Where is the vernal equinox located?
The vernal equinox, the point where the Sun’s annual apparent path takes it north of the celestial equator and from which celestial longitude and right ascension are measured, lies in Pisces.
Which Equinox is the shortest day of the year?
Summer solstice (June 20 or 21): longest day of the year, marking the start of summer Autumnal equinox (about September 23): day and night of equal length, marking the start of autumn Winter solstice (December 21 or 22): shortest day of the year, marking the start of winter
What is the approximate date of the vernal equinox?
The vernal equinox occurs on March 20 or March 21 each year and signals the start of spring in the Northern Hemisphere (and fall in the Southern Hemisphere ).
Does the date of the equinox change every year?
This is why the date of the equinox can change from year to year . Here’s an example that will make this clearer: the 2017 March equinox occurred on March 20 at 10:28 UTC. The 2018 equinox took place at 16:15 UTC and the 2019 equinox occurred at 21:58 UTC, each about 6 hours later than in the previous year. 2020 is a leap year.
What are the equinoxes when do they occur?
In the calendar, the equinoxes occur roughly around 20 March and 22-23 September . The two equinoxes are called the spring equinox and the autumn equinoxes. What is the spring equinox? The spring equinox (vernal equinox) is the time of moving from winter to summer.