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Individuals throng Glastonbury Tor in Somerset, UK, through the summer time solstice
Graham Hunt/Alamy
Immediately, 21 June, is the June solstice. Also referred to as the summer time solstice within the northern hemisphere and winter solstice within the southern hemisphere, the June solstice marks the time at which the solar is straight above the Tropic of Most cancers.
That is the furthest north the solar reaches all year long, and it marks the northern hemisphere’s longest day of the yr, and the shortest within the southern hemisphere.
When is the June solstice 2023?
The solstice isn’t technically a day however a time. It often occurs on 21 or 22 June, and this yr it’s on 21 June at 15:57 BST.
What causes the June solstice?
Earth’s axis of rotation is tilted with respect to the airplane it orbits across the solar, by 23.5 levels. This is the reason we have now seasons – throughout summer time within the northern hemisphere, the north pole is tilted in direction of the solar and through summer time within the southern hemisphere, the south pole is tilted in direction of the solar.
The June solstice marks the second through the yr when the north pole reaches its most tilt in direction of the solar.
There may be one other solstice in December, when the identical occurs for the southern hemisphere. The June solstice can be the start of astronomical summer time within the northern hemisphere.
What’s astronomical summer time?
There are two methods to outline when the seasons start and finish – meteorological and astronomical. Within the northern hemisphere, meteorological summer time begins on 1 June however astronomical summer time begins on the day of the June solstice.
What number of hours of sunshine will I’ve on the solstice?
The variety of hours of daylight relies on your latitude. On the June solstice, locations within the Arctic Circle have 24 hours of sunshine, whereas in tropical areas close to the equator the longest day is simply over 12 hours. The additional you might be from the equator, the extra dramatic the distinction in day size will get between winter and summer time. Within the Antarctic, the solar gained’t rise.
The place does the title come from?
The time period solstice comes from two Latin phrases: sol, that means “solar”, and sistere, that means “to face nonetheless”.
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