How long until June 21?
It is 288 days, 4 hours, 42 minutes, 13 seconds until June 21, 2027.
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Temporal Context & Calendar Metrics for June 21
Excludes 83 weekend days (Saturdays & Sundays).
47.1% of annual orbital cycle.
Summer Solstice occurred June 21
Water element (Jun 21 - Jul 22).
About June 21: Significance & History
Calendar Significance & Context
International Day of YogaJune 21 marks the 172nd day of the year (173rd in leap years) within the second quarter. Historically, key milestones on this date include the events of 1788 (New Hampshire becomes the ninth state to ratify the United States Constitution, putting it into official effect) and 1948 (Columbia Records introduces the 33⅓ RPM long-playing (LP) vinyl record format at the Waldorf Astoria in New York). Notable figures born on this day include Jean-Paul Sartre (born 1905) and Benazir Bhutto (born 1953). The date also observes International Day of Yoga.
On This Day in History
- 1788
New Hampshire becomes the ninth state to ratify the United States Constitution, putting it into official effect.
- 1948
Columbia Records introduces the 33⅓ RPM long-playing (LP) vinyl record format at the Waldorf Astoria in New York.
- 2004
SpaceShipOne makes the first privately funded human spaceflight reaching an altitude over 100 kilometers.
Notable Birthdays
- Jean-Paul Sartreb. 1905
French philosopher, playwright, and leading figure in 20th-century existentialism.
- Benazir Bhuttob. 1953
Prime Minister of Pakistan and the first woman elected to head a democratic government in a Muslim-majority country.
- Prince Williamb. 1982
Prince of Wales and heir apparent to the British throne.
Explore Related Calendar Dates
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Day 21 Across All Months:
Frequently Asked Questions About June 21
What day of the year is June 21 and how much of the year has elapsed?
June 21 is Day 172 of 365 in the calendar year, representing 47.1% of the total annual cycle.
What day of the week is June 21 next falling on?
The upcoming occurrence of June 21 falls on a Monday (June 21, 2027).
What is the astrological Zodiac sign for June 21?
People born on June 21 fall under the Cancer Zodiac sign (♋), associated with the Water element (Jun 21 - Jul 22).
What is the exact 6-month half-year complement of June 21?
The 6-month calendar antipode to June 21 is December 21, which occurs exactly 182.5 days (half an orbital solar year) apart.