Calendar

Summer Solstice

The summer solstice is the day when the Sun appears to reach its highest point in the sky during the year - it marks the start of summer in the Northern Hemisphere.

Earth at Aphelion

Earth will be at the farthest point in its orbit around the Sun on this date

Full Moon

The Full Moon rises at sunset, and is visible all night. The Vatican Observatory's monthly Full Moon Meetup for Sacred Space Astronomy subscribers is held at 10:00 AM Tucson time.

Last Quarter Moon

The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.

International Asteroid Day

International Asteroid Day is a United Nations-recognized day observed each year on the anniversary of the Tunguska impact event of June 30, 1908.

Canada Day.

Canada Day (French: Fête du Canada) is the national day of Canada. A federal statutory holiday, it celebrates the anniversary of July 1, 1867, the effective date of the Constitution Act, 1867 (then called the British North America Act, […]

Independence Day (USA)

Independence Day is a U.S. federal holiday commemorating the Declaration of Independence of the United States, on July 4, 1776.