Summer solstice 2023


When is the Summer solstice 2023?

The Summer solstice 2023 is on Wednesday, June 21, 2023 (in 257 days).  Calendar for 2023
The Summer solstice 2022 has already passed: it was on Tuesday, June 21, 2022 (108 days ago).  Calendar for 2022
Please note: The dates given on this page are based on Coordinated Universal Time (UTC), which for practical purposes is equivalent to Greenwich Mean Time (GMT). While the Summer solstice occurs at the same moment in time all over the world, the date and local time differ from location to location depending on a location's time zone. For more details see the explanations below.
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What is the Summer solstice?

Sunrise over Stonehenge on the day of the summer solstice. In the Northern Hemisphere, the summer solstice marks the beginning of summer. Photo: Wikimedia CommonsSunrise over Stonehenge on the day of the summer solstice. In the Northern Hemisphere, the summer solstice marks the beginning of summer.
A summer solstice is the moment in time when the Earth's tilt towards the Sun is at its maximum and the Sun reaches its highest position in the sky.

A summer solstice occurs twice a year, once in June in the Northern Hemisphere (also called northern solstice, June solstice and Midsummer) and once in December in the Southern Hemisphere (also called southern solstice and December solstice).

In the Northern Hemisphere the day of the summer solstice is the longest day of the year (the day with the most daylight and the shortest night) and occurs every year between June 20 and June 22. The dates given on this page are based on Coordinated Universal Time (UTC), which for practical purposes is equivalent to Greenwich Mean Time (GMT - the time zone of the United Kingdom). While the summer solstice occurs at the same moment in time all over the world, the date and local time differ from place to place depending on the year and a location's time zone. For locations that are ahead of UTC (further east) it may fall on the day after, and for locations that are behind UTC (further west) it may fall on the day before. To find out the exact date and time of the summer solstice 2023 in your area use this seasons calculator.

The summer solstice marks the end of spring and the beginning of summer in the hemisphere where it occurs and is one of four days (two equinoxes and two solstices) throughout the year on which a new season starts. The other days are the vernal equinox (also called spring equinox, beginning of spring), the autumn equinox (also called fall equinox, beginning of autumn) and the winter solstice (beginning of winter).


The exact moment of the northern summer solstice through the centuries
Summer solstice leap shifting. Graph: Wikimedia creative commons
Graph demonstrating the movement (caused by leap shifting) of the exact moment of the summer solstice between 1750 and 2250. X axis (bottom, horizontal): calendar years, Y axis (left, vertical): day in June (20th to 23rd).

In a non-leap year, the moment of the summer solstice is about 5 hours 49 minutes after that moment in the previous year (in UTC), and in a leap year it is about 18 hours 11 minutes before that moment in the previous year, as can be seen in this graph. In this way the time of the summer solstice constantly shifts back and forth so it always stays around June 20 to 22. This four year cycle is clearly visible in the graph.

To adjust for the gradual movement backwards on the calendar (as visible for the period 1900 to 2099), in years divisible by 100 (1800, 1900, 2100 and 2200 on the graph), which should be leap years as they are divisible by 4, the leap day is omitted (except when they are divisible by 400, eg. 2000) and the moment of the summer solstice moves forward in time compared to the same moment in the year before.

Further reading:

Overview: seasons, equinoxes and solstices

Dates shown apply to the Northern Hemisphere and are based on UTC (GMT)
Season Start End
Spring Spring equinox
(vernal equinox, March equinox)
March 19 to 21
Summer solstice
(June solstice)
June 20 to 22
Summer Summer solstice
(June solstice)
June 20 to 22
Autumn equinox
(Fall equinox, September equinox)
September 21 to 24
Autumn
(Fall)
Autumn equinox
(Fall equinox, September equinox)
September 21 to 24
Winter solstice
(December solstice)
December 20 to 23
Winter Winter solstice
(December solstice)
December 20 to 23
Spring equinox
(vernal equinox, March equinox)
March 19 to 21

When is the Summer solstice 2024?

The Summer solstice 2024 is on Thursday, June 20, 2024 (in 622 days).  Calendar for 2024

Dates for the Summer solstice from 2018 to 2028

The next occurrence of the Summer solstice is marked in red.

When is ...? Date      Day of the week      Days away     
Summer solstice 2018      June 21, 2018      Thursday      1569 days ago
Summer solstice 2019      June 21, 2019      Friday      1204 days ago
Summer solstice 2020      June 20, 2020      Saturday      839 days ago
Summer solstice 2021      June 21, 2021      Monday      473 days ago
Summer solstice 2022      June 21, 2022      Tuesday      108 days ago
Summer solstice 2023      June 21, 2023      Wednesday      in 257 days
Summer solstice 2024      June 20, 2024      Thursday      in 622 days
Summer solstice 2025      June 21, 2025      Saturday      in 988 days
Summer solstice 2026      June 21, 2026      Sunday      in 1353 days
Summer solstice 2027      June 21, 2027      Monday      in 1718 days
Summer solstice 2028      June 20, 2028      Tuesday      in 2083 days
Data provided 'as is' without warranty

Summer solstice 2023
Dates of the Summer solstice 2023 and surrounding years as downloadable image file

Printable 2023 Calendars


Calendar templates 2023 for Word, Excel and PDF
Download free printable calendar templates 2023 for Word, Excel and PDF

2023 calendar as templates for
Word, Excel and PDF

A selection of calendar templates for 2023 in landscape and portrait orientation and with US federal holidays, suitable for a variety of applications.

2023 calendar templates for Word

2023 calendar templates for Excel

2023 calendar templates for PDF

Dates of other holidays, events and celebrations

US federal holidays
New Year's Day
Martin Luther King Day (MLK Day)
Presidents' Day
    (Washington's Birthday)
Memorial Day
Juneteenth
Independence Day (4th of July)
Labor Day
Columbus Day
Veterans Day
Thanksgiving Day
Christmas Day

Canadian holidays
Canadian Thanksgiving
Family Day

Australian holidays
ANZAC Day

The seasons
Spring
Vernal equinox (spring equinox,
March equinox)
Summer
Summer solstice (June solstice)
Autumn / Fall
Autumn equinox (fall equinox,
September equinox)
Winter
Winter solstice (December solstice)
First Day of Spring
First Day of Summer
First Day of Autumn / First Day of Fall
First Day of Winter

Christian (and related)
Advent
Advent Sunday
All Hallows' Eve
All Hallows' Day
All Saints' Day
All Souls' Day
Ascension Day
Ash Wednesday
Black Saturday
Boxing Day
Bright Saturday
Bright Week
Candlemas
Christmas
Christmas Day
Christmas Eve
Christmastide
Corpus Christi
Easter
Easter Day
Easter Eve
Easter Friday
Easter Monday
Easter Tuesday
Easter Saturday
Easter Sunday
Eastertide
Easter Week
Easter Weekend
Epiphany
Epiphany Eve
Fat Tuesday
First day of Lent
Good Friday
Halloween
Holy Friday
Holy Saturday
Holy Thursday
Holy Week
Jesus' Birthday
Lazarus Saturday
Lent
Mardi Gras
Maundy Thursday
Orthodox Easter
Palm Sunday
Pancake Day
Pancake Tuesday
Pascha
Pentecost
Pentecost Sunday
Pentecost Monday
Shrove Monday
Shrove Tuesday
St. Andrew's Day
St. David's Day
St. George's Day
St. Patrick's Day
St. Stephen's Day
Theophany
Three Kings Day
Trinity Sunday
Twelve Days of Christmas
Twelfth Night
Whit Sunday
Whit Monday
Other days
April Fools Day
Armed Forces Day
Black Friday
Buy Nothing Day
Cinco de Mayo
Constitution Day
Cyber Monday
Daylight Saving Time
Day of the Dead
Día de los Muertos
Diwali (Deepavali)
Earth Day
Election Day
Father's Day
Flag Day
Giving Tuesday
Grandparents' Day
Groundhog Day
Halloween
Human Rights Day
Indigenous Peoples' Day
International Women's Day
Mother's Day
Native American Day
New Year's Day
New Year's Eve
Panic Saturday (Super Saturday)
Parents' Day
Star Wars Day
Samhain
Small Business Saturday
Summer time
Super Saturday (Panic Saturday)
Teacher Appreciation Day
Teacher Appreciation Week
Valentine's Day
World Environment Day
World Teachers' Day
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