Longest Day of the Year – Summer Solstice & Daylight
When is the longest day of the year? Find the exact summer solstice date, sunrise, sunset, and maximum daylight hours for your city.
Earliest sunrise and latest sunset – New York
- They don't fall on the solstice itself – the equation of time shifts them by days or weeks.
- Earliest sunrise: 05:24 (June 8)
- Latest sunset: 20:31 (June 23)
Questions and answers
- When is the summer solstice in New York? On June 21, 2027 at 10:10 local time. The day lasts 15:06 h: sunrise 05:24, sunset 20:30.
- How much longer is the longest day than the shortest? In New York 5:51 h. At noon the sun stands 73° above the horizon.
- Is the earliest sunrise on the longest day? No – in New York the earliest sunrise is on June 8 (05:24), the latest sunset on June 23 (20:31). The equation of time shifts both away from the solstice.
Why Is There a Longest Day?
The longest day — the summer solstice — occurs when Earth's axial tilt points your hemisphere directly toward the sun. The sun traces its highest and longest arc across the sky, giving you the maximum possible daylight hours.
The summer solstice falls around June 21 in the Northern Hemisphere and December 21 in the Southern Hemisphere. After this peak, days gradually shorten — but the warmest temperatures typically lag by 4–6 weeks due to thermal inertia.
The summer solstice brings the longest golden hours of the year
Maximum Solar Elevation
At the summer solstice, the sun reaches its highest point in the sky. At 50° latitude, it climbs to about 63° above the horizon — compared to only 17° at the winter solstice.
Maximum Daylight Hours
At 50° latitude (London, Berlin), the longest day has about 16–17 hours of daylight. Above the Arctic Circle (66.5°N), the sun doesn't set at all — midnight sun.
Midnight Sun & White Nights
Above the Arctic Circle, the sun stays above the horizon for 24 hours. Even below it, many northern cities experience 'white nights' where twilight lasts all night long.
Midsummer Celebrations
The summer solstice is one of the most widely celebrated astronomical events in human history. From Stonehenge gatherings in England to Midsommar in Scandinavia, from the Fête de la Musique in France to Inti Raymi in Peru — cultures worldwide mark the peak of sunlight.
In Scandinavian countries, Midsommar is one of the most important holidays, celebrated with maypoles, flower crowns, and all-night festivities in the endless twilight. The solstice connects us to our deep relationship with the sun.
Watch Both Sunrise and Sunset
On the longest day, challenge yourself to see both sunrise and sunset. The golden hours are the most extended of the entire year.
Plan Extended Activities
With 16+ hours of daylight, the longest day is perfect for long hikes, bike tours, or outdoor projects you've been putting off.
Photograph the Late Light
The evening golden hour on the summer solstice is especially long and beautiful. The low sun angle creates dramatic, warm light perfect for photography.
Notice the Change After
After the solstice, days shorten by 1–4 minutes daily. Track the subtle change with SunnyTracker and appreciate each long summer evening.
Closest to 12:00 h of daylight – a few days away from the equinox, because of refraction and the sun's disc.
They don't fall on the solstice itself – the equation of time shifts them by days or weeks.
The earliest sunset comes before the shortest day, the latest sunrise after it – the equation of time shifts them.
On the equinox the day is already a little longer than 12 hours; the day of equal day and night comes earlier in spring and later in autumn.