First Quarter Moon 2025
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
Calendar
12 events found.
World Bicycle Day.
In April 2018, the United Nations General Assembly declared June 3 as International World Bicycle Day. The resolution for World Bicycle Day recognizes "the uniqueness, longevity and versatility of the bicycle, which has been in use for two […]
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.
Venus at Aphelion.
Venus's 225-day orbit around the Sun will carry it to its furthest point to the Sun – its aphelion – at a distance of 0.73 AU.
Charles Babbage’s paper on the difference engine, 1822
Charles Babbage (1791-1871), computer pioneer, designed two classes of engine, Difference Engines, and Analytical Engines. Difference engines are so called because of the mathematical principle on which they are based, […]
Last Quarter Moon 2025
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
Last Quarter Moon
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
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.
New Moon 2025
New Moon. By the modern definition, New Moon occurs when the Moon and Sun are at the same geocentric ecliptic longitude. The part of the Moon facing us is completely […]