When is the longest day / Summer Solstice?

When is the shortest day / Winter Solstice?

In the Northern Hemisphere it is the Summer Solstice which occurs around 21st June each year

NB In the Southern Hemisphere the Summer Solstice occurs around December 21st each year

VERNAL EQUINOX (SPRING) MARCH 20 2006 18:26 GMT

SUMMER SOLSTICE SUMMER) JUNE 21 2006 12:26 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 23 2006 04:03 GMT

WINTER SOLSTICE (WINTER) DECEMBER 22 2006 00:22 GMT

VERNAL EQUINOX (SPRING) MARCH 21 2007 00:07 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2007 18:06 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 23 2007 09:51 GMT

WINTER SOLSTICE (WINTER) DECEMBER 22 2007 06:08 GMT

2008

VERNAL EQUINOX (SPRING) MARCH 20 2008 05:48 GMT

SUMMER SOLSTICE (SUMMER) JUNE 20 2008 23:59 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 22 2008 15:44 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2008 12:04 GMT

2009

VERNAL EQUINOX (SPRING) MARCH 20 2009 11:44 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2009 05:45 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 22 2009 21:18 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2009 17:47 GMT

2010

VERNAL EQUINOX (SPRING) MARCH 20 2010 17:32 GMT

SUMMER SOLSTICE (SUMMER) JUNE 21 2010 11:28 GMT

AUTUMNAL EQUINOX (FALL) SEPTEMBER 23 2010 03:09 GMT

WINTER SOLSTICE (WINTER) DECEMBER 21 2010 23:38 GMT

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

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

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