The longest day of year

This is the time when the Sun is at its highest or most northerly point in the sky in the Northern Hemisphere and when we receive the most hours of daylight. If you live in the Southern Hemisphere it is the reverse, so you will be having “Winter Solstice.”

The angle of the Sun and the Earth's seasons.

Also known as “Midsummer” the Summer Solstice gets its name from the Latin for sol (sun) and sistere (to stand still). The Sun reaches its most Northerly point and momentarily stands still before starting its journey South in the sky again until it reaches its most Southerly point “Winter Solstice”, before repeating the cycle. This is basically how we get our seasons.

It’s not actually the Sun that moves North or South over the seasons although it may appear so. It’s the Earths axial tilt that causes the Sun to change position in the sky as the Earth orbits the Sun throughout the year.

Summer Solstice/ Midsummer is steeped in ancient folklore especially in Northern Europe with the most famous place directly related to it being Stonehenge, where the sun has been worshiped for thousands of years.

The Sun reaches its most Northerly point in the sky at 17:16 UTC momentarily and from that point forward starts to make its way South. This means the days will get shorter and shorter until Winter Solstice in December.

 

When is the longest (and shortest) day?

When is longest / shortest day in 2011?

VERNAL EQUINOX (SPRING) MARCH 20 2011 23:21 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2011 17:16 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 23 2011 09:04 GMT

WINTER SOLSTICE (WINTER) DECEMBER 22 2011 05:30 GMT

2012

VERNAL EQUINOX (SPRING) MARCH 20 2012 05:14 GMT

SUMMER SOLSTICE (SUMMER) JUNE 20 2012 23:09 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 22 2012 14:49 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2012 11:11 GMT

2013

VERNAL EQUINOX (SPRING) MARCH 20 2013 11:02 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2013 05:04 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 22 2013 20:44 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2013 17:11 GMT

2014

VERNAL EQUINOX (SPRING) MARCH 20 2014 16:57 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2014 10:51 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 23 2014 02:29 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2014 23:03 GMT

2015

VERNAL EQUINOX (SPRING) MARCH 20 2015 22:45 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2015 16:38 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 23 2015 08:20 GMT

WINTER SOLSTICE (WINTER) DECEMBER 22 2015 04:38 GMT

2016

VERNAL EQUINOX (SPRING) MARCH 20 2016 04:30 GMT

SUMMER SOLSTICE (SUMMER) JUNE 20 2016 22:34 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 22 2016 14:21 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2016 10:44 GMT

2017

VERNAL EQUINOX (SPRING) MARCH 20 2017 10:28 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2017 04:24 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 22 2017 20:02 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2017 16:28 GMT

2018

VERNAL EQUINOX (SPRING) MARCH 20 2018 16:15 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2018 10:07 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 23 2018 0154 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2018 22:22 GMT

2019

VERNAL EQUINOX (SPRING) MARCH 20 2019 21:58 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2019 15:54 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 23 2019 07:50 GMT

WINTER SOLSTICE (WINTER) DECEMBER 22 2019 04:19 GMT

2020

VERNAL EQUINOX (SPRING) MARCH 20 2020 03:49 GMT

SUMMER SOLSTICE (SUMMER) JUNE 20 2020 21:43 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 22 2020 13:30 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2020 10:02 GMT

 

 

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