Longest Day In The Northern Hemisphere


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Longest Day In The Northern Hemisphere – There are two concerts every year: one in June and one in December. The June solstice marks the longest day north of the equator and the shortest day south.

The June Solstice is the moment when the Sun is above the Tropic of Cancer in the Northern Hemisphere. This is the northernmost latitude that can be reached all year round. After sunset, it moves south again.

Longest Day In The Northern Hemisphere

Longest Day In The Northern Hemisphere

In June, the Northern Hemisphere is inclined towards the Sun, so it receives more sunlight throughout the day. The inclination of the North Pole towards the Sun is greatest at the angle, so this event marks the longest day of the year north of the equator.

Summer Solstice2. Autumnal Equinox3. Winter Solstice4. Spring Equinox5. The Longest Day Of The Year

This effect is greater in places far from the equator. In tropical regions, the longest day is just over 12 hours; in the temperate zone it is much longer; and places within the Arctic Circle experience the midnight or polar solstice where the Sun does not set at night.

Conversely, the June solstice is the shortest day of the year in the Southern Hemisphere. Here too, the further the location is from the equator, the greater the effect.

During a year, the sun – the point under the sun of the Earth – moves slowly along the north-south axis. Reaching its southernmost point at the December solstice, it stops and moves north until it crosses the equator at the March equinox. At the June solstice, which marks the northernmost point of his journey, he stops again and starts heading south.

The name is originally derived from the observation that the Sun’s apparent path across the sky changes slightly from one day to the next, a process similar to the movement of a sunspot described above.

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In the months before the days of June, the sunrise and sunset move towards the north. On a sunny day, it reaches its northernmost point. After that, the Sun’s daily path in the sky moves south again.

The sunspot moves north and south throughout the year because the Earth’s axis is at an angle of about 23.4° to the ecliptic, an imaginary plane formed by the Earth’s path around the Sun. In June, the Northern Hemisphere is tilted toward the Sun and the Solstice is north of the equator. Along with the movement of the Earth to the opposite side of its orbit, which it reaches in December, the Southern Hemisphere gradually receives more sunlight and the sun moves to the south.

By one definition it is the beginning of the solstice in the Northern Hemisphere and the beginning of winter in the Southern Hemisphere.

Longest Day In The Northern Hemisphere

The longest day of the year is usually associated with the first sunrise and last sunset of the year. But in many places the first sunrise is a few days before the sunset and the last sunset is a few days later. Find out why.

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Although many people consider June 21st to be a solar day, depending on the time zone, it can be anytime between June 20th and 22nd. June 22nd is a rare solar year – June 22nd, 1975 was the last solstice, and there won’t be another until 2203.

Note: All dates refer to Coordinated Universal Time (UTC). Local dates may vary by time zone.

The date of the equinox and days change because a year in our calendar does not need the length of a tropical year – the time it takes for the Earth to revolve around the Sun.

Today’s Gregorian calendar has 365 days in a common year and 366 days in a leap year. But our planet takes about 365.242199 days to orbit the Sun. These equinoxes gradually move away from the Gregorian calendar, and the solstice occurs about 6 hours later each year. Eventually, the accumulated delay becomes so great that it slips into the next day.

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A leap day is introduced (approximately) every four years to align the calendar with the tropical year. When this happens, the equinoxes and years go back to the previous day.

Other factors that affect the timing of the equinoxes include changes in the length of the tropical year and the Earth’s orbital and diurnal motion, such as the precession of the Earth’s axis.

June Solstice Traditions In many Northern Hemisphere cultures, the June solstice is associated with festivals, celebrations, and celebrations.

Longest Day In The Northern Hemisphere

What is the reason for the seasons? As the Earth’s axis of rotation toward the Sun ticks over the course of a year, the seasons change. I asked someone how was your day. When I ask them, they often say “it’s been too long”. Sometimes, if it’s a really rough day, they say it’s the “longest day of the year.” Most days, to be precise, this statement is actually false. But today, everyone in the Northern Hemisphere can honestly say that it feels like the longest day of the year.

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Because today is summer, that is, today the Earth is directly inclined towards the Sun. In other words, since the axis of rotation of the Earth (the hole around which the Earth rotates) is not perpendicular to the plane of its orbit (the ellipticity formed by the annual ring around the Sun), the Earth spends half the year upside down. days and half a year away from him. Today, the Northern Hemisphere is directly tilted towards the Sun. As a result, it is the longest day of the year in the Northern Hemisphere.

The Earth is always inclined in the direction that it revolves around the Sun. As a result, the Northern Hemisphere faces more sunlight in half of the year, and the Southern Hemisphere is directly exposed to it in the second half of the year. This creates seasons, years and equinoxes. This is because of the different length of days. Photo: Peter Hermes Furian/iStock/Thinkstock

It all started about 4.51 billion years ago, when a planetoid called Theia collided with the molten mass that was our baby Earth. Although the exact details of the collision are still disputed, scientists agree that the impact formed our Moon and tilted the Earth 23.5° sideways on its spin axis. One of the consequences of this planetary shield was the four seasons. They appear according to the same solar logic.

When the Northern Hemisphere is tilted toward the Sun, less sunlight passes through the atmosphere on its way to Earth, so the Northern Hemisphere absorbs more energy. This raises the temperature and it is summer for 3 months everywhere north of the equator. At the same time, the southern hemisphere moves away from the Sun, so it absorbs less energy. That is why it is winter in the places below the equator.

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Fast forward 6 months and that changes. The northern hemisphere has less sunlight and energy, so it experiences winter. During this period, more sunlight falls on the southern hemisphere and then it is summer.

The amount of light during daylight hours depends on your latitude (your distance from the equator). Today will be dark for penguins in Antarctica. It’s going to be sunny all day today for the polar bears around the North Pole! How many hours of daylight do you have today? Photo: Peter Hermes Furian/iStock/Thinkstock

Thus, the unique imprint of our planet makes us experience four seasons. Summer, which is the hemisphere inclined towards the Sun; fell while in a 90° orbit; winter, when the hemisphere moves away from the Sun; and when it turns 90° again. It takes a little over 365 days to complete a full cycle and causes daylight changes that make some days longer than others like today!

Longest Day In The Northern Hemisphere

With that in mind, it’s worth considering what Earth would be like without seasons and different day lengths. This is what could have happened if the celestial collisions of 4.51 billion years ago had never happened. Some scientists believe that Earth’s axial tilt, like Mercury’s, may be as low as 2.11°. The result would be a constant amount of daylight, barely recognizable seasons (if any) and a completely different web of life.

Wesley’s Blog: Solstice Brings Longest Day Of The Year

Mercury, the closest planet to the Sun, has a very small axial angle. As a result, the “days” are always the same and there are no seasonal changes in the climate. This is one of the many reasons why Earth-like life forms could never exist on Mercury. Image: FlashMyPixel/iStock/Thinkstock

Because the ancestors of every living organism on earth developed in a certain environment under certain conditions. If these conditions were different, there would be environmental pressures and life on earth would not be as it is today. It is possible to assume that life could have arisen at all, but without the perfect climate of our current Earth, it is impossible to be sure.

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