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Rescuing 3 sources and tagging 0 as dead.) #IABot (v2.0.8 |
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บรรทัด 26:
* [http://www.gutenberg.org/dirs/1/2/3/4/12342/12342-h/12342-h.htm#E Equinoctial Points] - [[The Nuttall Encyclopaedia]]
* [http://www.spwebgames.com/daylight Java applet showing parts of the Earth in night and day]
* [http://aa.usno.navy.mil/data/docs/EarthSeasons.html Table of times for Equinoxes, Solstices, Perihelion, and Aphelion in 1992-2020] {{Webarchive|url=https://web.archive.org/web/20070222160537/http://aa.usno.navy.mil/data/docs/EarthSeasons.html |date=2007-02-22 }}
* [http://www.hermetic.ch/cal_sw/ve/ve.htm Dates and Times of Equinoxes and Solstices] has an [http://www.hermetic.ch/cal_sw/ve/ve.php online calculator].
* [http://www.sunlit-design.com/products/thesunapi/documentation/sdxFindAnnFeatx.php Calculate the Time of Equinoxes in Excel, CAD or your other programs.] {{Webarchive|url=https://web.archive.org/web/20070902000540/http://www.sunlit-design.com/products/thesunapi/documentation/sdxFindAnnFeatx.php |date=2007-09-02 }} The Sun API is free and extremely accurate. For Windows Computers.
* {{cite web
| url = http://landscaping.about.com/cs/pestcontrol/a/groundhog_day_5.htm
บรรทัด 41:
| work = Loughcrew, Ireland
}}
* [http://aa.usno.navy.mil/data/docs/EarthSeasons.html Earth's Seasons—Equinoxes, Solstices, Perihelion, and Aphelion—1992–2020] {{Webarchive|url=https://web.archive.org/web/20070222160537/http://aa.usno.navy.mil/data/docs/EarthSeasons.html |date=2007-02-22 }}
[[หมวดหมู่:ดาราศาสตร์]]
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