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Today, on Saturday, 21 June, Yoga Day is being celebrated with great enthusiasm all over the world including India. But do you know today i.e. June 21 is also the biggest day of the year. It is also called the heat of heat. Let me tell you, this day is about 14 hours. On this day, sunrise occurs at 5:21 am and sunset occurs at 7:20 pm. But what is the scientific reason behind it? Let’s know about this.

What is the scientific reason for being the biggest day of the year

We must have read this in childhood and know that the earth does not roam straight on its axis, it is about 23.5 degrees from the bottom of its class and keeps circling the sun. This inclination of the earth is due to changing the weather.

Experts say that during the Earth’s rounds, there is a time when the northern hemisphere of the Earth is the most tilted towards the Sun. This usually occurs on 21 June. On this day, the rays of the sun fall on the Tropic of Cancer, making an angle of 90 degrees.

Sunlight lasts long

Due to growing up on this day, sunlight lasts on the earth for a long time. On this day, the Sun looks at the highest height in the northern hemisphere, which makes an arc, due to which the Sun gives light for the most time. On this day, you can stand at any place of the Earth and measure its circumference. At the same time, where you stand, you can find the desired and the smallest shadow in which it is made of real answer.

Summer is officially considered to be the beginning of summer

Let us tell you that on June 21, the Northern Hemisphere of the Earth is considered to be the beginning of summer from this day in view of the change due to the most bent from the Sun.

Day time will start decreasing from June 21

Let us tell you that from June 21, the time of the day will start to decrease and by September 21, the day and night will be equal. From September 21, the day will start getting shorter and night long and the process will run till 23 December.