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The Sun, in its seasonal apparent movement across the sky, passes directly over the Equator twice each year, at the March and September equinoxes. At the Equator, the rays of the sun are perpendicular to the surface of the earth on these dates.

Places on the Equator experience the quickest rates of sunrise and sunset in the world. They are also the only places in the world where the sun can go directly from the zenithto the nadir and from the nadir to the zenith. Such places also have a theoretical constant 12 hours of day and night throughout the year, though in practice there are variations of a few minutes due to the effects of atmospheric refraction and because sunrise and sunset are measured from the time that the edge of the Sun's disk is on the horizon, rather than the center of the disk

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βˆ™ 11y ago
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βˆ™ 10y ago

March 21st or September 23rd the equinoxes. The sun is always directly overheard on these days and there is an equal amount of day and night everywhere on the Earth.

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βˆ™ 9y ago

The two days of the year where the sun is directly overhead on the equator are during the fall and spring equinoxes. The dates are March 21st and September 21st.

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βˆ™ 9y ago

There are two days during the year in which the sun is directly over the equator. Those days are the first day of winter and the first day of summer.

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βˆ™ 11y ago

Vernal Equinox = March 20th @ 17.32 GMT

Autumnal Equinox = September 23 @ 03.09 GMT

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βˆ™ 11y ago

Well yes, but only at 12:00 any other time no

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βˆ™ 15y ago

The spring and autumn equinox.

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Q: Mark the days when the sun appears directly overhead at the Equator?
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Continue Learning about Astronomy

What does the equinoxes mark?

In the northern hemisphere, the autumnal equinox marks the first day of fall. An equinox happens twice a year, when the sun shines directly on the equator and the length of day and night is nearly equal.


How would you observe and measure the way the sun appears to move across the sky?

You could put a stake vertically in the ground and make a mark on the ground where the shadow of the top of the stake is throughout the day and year.


Can the southern hemisphere people see the pole star Why?

The elevation of Polaris (the North Star) above the Northern horizon is almostequal to the North latitude of the place where you are when you see it.That means that when you stand on the Equator, the North Star is exactlyON the Northern horizon, and if you stand anywhere South of the Equator,the North Star is always BELOW the horizon.But . . .Everybody in the Southern hemisphere CAN see the SOUTH pole of the sky,which nobody in the Northern hemisphere can ever see.Sadly, there's no bright star anywhere near the South pole of the sky,to mark it the way Polaris marks the sky's North pole for us.


Why is the sun lower in autumn?

Night and day cycles are determined by the earth spinning around its axis once every 24 hours, with the part of the earth facing the sun being daytime. The earth also orbits around the sun once a year. The axis of rotation for the earth's spin tilts 23.4 degrees. This tilt means that in the summer months for the north (June, July), more of the northern hemisphere is facing the sun, so the sun is more overhead and days are longer in the north. In the fall and winter (December, January), more of the southern hemisphere is facing the sun, and less of the northern hemisphere faces the sun. Thus the sun is lower, and days are shorter in the north. The seasons are opposite in the south. Spring and fall are transition periods and would mark the times where the sun is over the equator.


What is the name of Mark Messier's girlfriend?

Kim Clark is Mark Messier's wife. Not girlfriend.

Related questions

What days mark the days when the sun is directly over the equator?

What are spring and fall equinoxes


What are the two tropical lines north to south of the equator?

The two tropics are the Tropic of Cancer, and the Tropic of Capricorn. These mark the northern-most and southern-most latitudes where the sun is directly overhead.


What lines mark the tropics?

The equator


Why isn't there a tropic of Aquarius?

There was no room for it.The tropics of Capricorn and Cancer mark the most southerly and northerly (respectively) lattitudes at which the sun appears directly overhead at noon. At the time they were named, the sun was in the direction of the two named constellations. It was not in the constellation of Aquarius or any of the other ten signs of the Zodiac, hence there are no tropics named after them.


Is because they crossed the equator Mark and Sheila are now in a different hemisphere is cause or efffect?

When Mark and Sheila cross over the equator, the different hemisphere would be the effect.


Why are ahemdabad and kolkata able to see the noon sun exactly overhead twice a year but not in delhi?

This happens at any location between the Tropic of Cancer (in the north) and the Tropic of Capricorn (in the south). These lines, about 23.4 degrees to the north and south of the equator respectively, mark the farthest latitudes away from the equator where the sun can be exactly overhead [that point is sometimes called the zenith]. This region between the tropics is known as the tropical region. If you are within the tropics but not exactly on one, you will experience the sun passing directly overhead on its way to one tropic, and then you will experience this again as the sun moves toward the other tropic. It is interesting to note that the latitudes of the tropics coincide with the earth's tilt relative to the sun-earth plane called the Ecliptic.


Which international line runs through Brazil?

The two major international lines of the Equator and the Tropic of Capricorn run through Brazil.The Equator divides the earth into the northern and southern hemispheres. It passes through Brazil at 0 degrees North latitude 70 degrees 3 minutes West longitude. It through Brazil at 23 degrees 26 minutes South latitude 55 degrees 38 minutes West longitude. It goes through the states of Mato Grosso do Sul, Parana, and Sao Paulo.The Tropic of Capricorn is one of the five major circles of latitude that mark world maps. It lies 23 degrees 26 minutes 22 seconds south of the Equator. It marks the most southern latitude at which the sun appears directly overhead at noon.


What does the equinoxes mark?

In the northern hemisphere, the autumnal equinox marks the first day of fall. An equinox happens twice a year, when the sun shines directly on the equator and the length of day and night is nearly equal.


What the name of this symbol?

It appears to be a question mark


What part of speech is end mark?

The word end mark is a noun. An end mark is a punctuation mark which appears at the end of a sentence.


Which of these should you do to show that you have a question about something that appears in a text?

Mark the text with a question mark.


What is the purpose of the tropic of Cancer and the tropic of Capricorn?

The Tropic of Cancer represents a line around the earth at 23 degrees 26 minutes north latitude, signifying that this is the farthest north that the Sun reaches. The Tropic of Capricorn lies at a similar latitude south of the equator. The area between these lines is referred to as "the tropics".