By the year 6430, perihelion will fall on the March equinox (March 20), according to Time and Date. Orbital precession is essentially a gradual shift of the perihelion point around the sun. Like a wobble of a spinning top, the perihelion point slides around the barycenter with every ...
Equinoxes occur twice a year when the sun is directly above the equator, and signal herald the beginning of spring and autumn.
EQTL EQTR EQU EQUAL EQUALANT EQUALIS EQUALL EQUAPAC EQUARIDGE EQUATE EQUATOR EQUI'TEY EQUIC EQUIP EQUIPE EQUIS EQUIV EQV EQVET EQW EQWG EQWT EQX EQY ER ER&D ER&I ER&R ER+ ER- ER-2 Er-ASE ER-DP ER-LSP ER-MLRS ER-PM ▼
The traditional East Asian calendars divide a year into 24 solar terms. Vernal equinox (春分Chūnfēn) is the 4th solar term. It begins when the Sun reaches the celestial longitude of 0°and ends when it reaches the longitude of 15°. It more often refers in particular to the day when t...
In fact, contrary to the popular belief, the lengths of day and night aren’t equal on an equinox. There’s another term for this: equilux.What is equilux? The equilux is when day and night are of equal length. Its exact date depends on your location around the earth, but it’s ...
An equinox is a period in a planet's orbit in which the orbit and position cause the Sun to pass over the equator. On Earth, an...
We greet the first day of the new season with the spring equinox, but what is it, exactly? And why does the first day of spring change? We explain.
The vernal equinox arrives on Tuesday, marking the start of the spring season for the Northern Hemisphere.
"[The March equinox] is a highly significant moment in time in many different cultures and practices, including pagans, Wiccans, and astrologers, because it's very telling of the relationships between the Earth and the Sun at this time of the year," explains Narayana Montúfar, senior astrologe...
First Friday of March in the US is employee appreciation day. The third week in March is National Poison Prevention Week, Friday on the 2nd full week of March is World Sleep Day (we’re in!), March Equinox on or around March 20th, and International Earth Hour comes the ...