Calendar

World Philosophy Day

Philosophy is the study of the nature of reality and existence, of what is possible to know, and of right and wrong behavior. It comes from the Greek word phílosophía, meaning […]

First Quarter Moon

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

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.

Our Lady of Guadalupe.

Our Lady of Guadalupe (Spanish: Nuestra Señora de Guadalupe), also known as the Virgin of Guadalupe (Spanish: Virgen de Guadalupe), is a Catholic title of the Blessed Virgin Mary associated with a series of five Marian apparitions in December […]

New Moon

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 […]

St. Lucia (Sweden), festival of light.

Saint Lucy's Day, also called Lucia Day or the feast of Saint Lucy, is a Christian feast day observed on 13 December. The observance commemorates Lucia of Syracuse, an early-4th-century virgin martyr under the Diocletianic Persecution, who according to legend brought […]

First Quarter Moon

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

Ursids Meteor Shower

The Ursids peak just before Christmas with rates of 5-10 meteors per hour during the late morning hours.

Winter Solstice

The winter solstice, also called the hibernal solstice, occurs when either of Earth's poles reaches its maximum tilt away from the Sun.