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The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24. At the equinox, the Sun as viewed from the equator rises due east and sets due west ...
The March equinox is known as the vernal equinox (or spring equinox) in the Northern Hemisphere and as the autumnal equinox (or fall equinox) in the Southern Hemisphere. [8] [7] [10] On the Gregorian calendar at 0° longitude, the northward equinox can occur as early as 19 March (which happened most recently in 1796, and will happen next in ...
A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator. On the day of the equinox, the Sun appears to rise "due east" and set "due west". This occurs twice each year, around 20 March and 23 September. [a]
In contrast to the common usage of spring/vernal and autumnal equinoxes, the celestial coordinate system equinox is a direction in space rather than a moment in time. In a cycle of about 25,800 years, the equinox moves westward with respect to the celestial sphere because of perturbing forces ; therefore, in order to define a coordinate system ...
autumnal equinox: Transcriptions; Standard Mandarin; ... Date and Time Year Begin End 辛巳 ... 2023-09-23 06:50 2023-10-08 13:15
Date and time of data generation: 16:11, 5 August 2023: Lens focal length: 5.6999998092633 mm: Orientation: Normal: Horizontal resolution: 240 dpi: Vertical resolution: 240 dpi: Software used: Adobe Photoshop Elements 11.0 Windows: File change date and time: 19:42, 11 July 2024: Exposure Program: Normal program: Exif version: 2.32: Date and ...
Date/Time Thumbnail Dimensions User Comment; current: 15:14, 3 May 2023: 1,025 × 768 (69 KB): A1Cafel: File:2023 partial solar eclipse as viewed from Perth, Western Australia.jpg cropped 33 % horizontally, 63 % vertically using CropTool with precise mode.
The December-solstice solar year is the solar year based on the December solstice. It is thus the length of time between adjacent December solstices. The length of the December-solstice year has been relatively stable between 6000 BC and AD 2000, in the range of 49 minutes 30 sec