Calendar

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.

Earth at Aphelion

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

Mercury 3.2°S of Moon

Mercury will appear close to the crescent Moon in the west-northwestern sky before sunset.

First Quarter Moon

The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.

Thomas Kuhn born 1922

Thomas Samuel Kuhn (1922–1996) is one of the most influential philosophers of science of the twentieth century,

J. G. Mendel born 1822

Gregor Johann Mendel (1822– 1884) was a biologist, meteorologist, mathematician, Augustinian friar and abbot of St. Thomas' Abbey in Brünn (Brno), Margraviate of Moravia.

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.