Astronomical calendars may be used for a wide range of purposes, including tracking the movements and orbits of celestial objects, predicting astronomical events such as eclipses and meteor showers, and marking the dates of important scientific conferences and meetings....
Vesta has a crust, mantle, and core, with a belt of deep troughs surrounding its rocky body—one of them is larger than the Grand Canyon. It will be about 1.5 Astronomical Units (AUs) from Earth—about the distance from Earth to the sun, or 93 million miles. Look above your eastern...
TheAstronomical Calendar is back! It was popular as a printed book from 1974 to 2016, used by thousands of sky-lovers in more than 100 countries. It then continued as an electronic book. For 2023 onward it has reappeared, in both forms, printed and electronic. It has 141 pages, and hun...
Subscribing to this public calendar (.ics file) will insert dates and times of events of astronomical significance into your iPhone / Android / Outlook / other calendar program / cybernetic mutant brain chip. This calendar is something I curate by hand at the beginning of each year to highligh...
A number of non-astronomical natural signs have also been used in determining the seasons. In the Mediterranean area such indications change rapidly, and Greek poetHesiod(c. 800bce) mentions a wide variety: the cry ofmigratingcranes, which indicated a time for plowing and sowing; the time when...
December 2024brings several captivating astronomical events, including two major meteor showers and notable lunar phases. Phases of the Moon: New Moon: Sunday, December 1 1st Quarter: Sunday, December 8 Full Moon(Cold Moon): Sunday, December 15 ...
As per Chinese calendar, the calculation of Chinese holidays and festivals are done based on the lunar calendar, i.e. the astronomical events related to the phase of the moon and sun’s longevity is closely monitored. Also, the lunar calendar is compared with the solar calendar every three ...
A Black Moon is not an official astronomical term but there are two common definitions for the term according to Time and Date: The second new moon in a single calendar month. The third new moon in a season of four new moons. The next black moon will occur on Aug. 23, 2025, as ...
The traditional Chinese calendar is a lunisolar calendar based on astronomical observations of the sun's longitude and the moon's phases. The Chinese calendar has 12 or 13 months per year. The Chinese calendar dates are about 20 to 50 days behind the Gregorian calendar.2025 is the Year of ...
First Day of Spring (March 20) – Also known as the vernal equinox, this marks the astronomical beginning of spring in the Northern Hemisphere. Learn more onThe Old Farmer’s Almanac. Daylight Saving Time (Starts March 9) – Clocks are moved forward one hour, providing more daylight in the...