Solstice (English Wikipedia)

Exton, Harold (1992). "A Fresh Analysis of Some Recent Data on Atmospheric Refraction Near the Horizon with Implications in Archaeoastronomy". Journal of History of Astronomy, Archaeoastronomy Supplement. 23 (17): S57. Bibcode:1992JHAS...23...57E. doi:10.1177/002182869202301707. S2CID 118484271.
Hugh, Thurston (2001). "Early Greek Solstices and Equinoxes". Journal for the History of Astronomy. 32, Part 2 (107): 154–156. Bibcode:2001JHA....32..154T. doi:10.1177/002182860103200208. ISSN 0021-8286. S2CID 118464897.

ahdictionary.com (Global: 4,364^th place; English: 2,759^th place)

"solstice". The American Heritage Dictionary of the English Language (Fifth ed.). Houghton Mifflin Harcourt. 2015. Retrieved December 8, 2015.

antarctica.gov.au (Global: low place; English: 8,335^th place)

"Midwinter celebrations mark turning point for expeditioners – Australian Antarctic Program (News 2024)". www.antarctica.gov.au. June 21, 2024. Retrieved May 29, 2026.

archive.org (Global: 6^th place; English: 6^th place)

Cleomedes (2004). Cleomedes' Lectures on Astronomy: A Translation of The Heavens. Translated by Alan C. Bowen and Robert B. Todd. Berkeley: University of California Press. p. 41. ISBN 0-520-23325-5. This translation cites this passage at the end of Book I Chapter 2 but other arrangements have it at the start of Chapter 3. In the Greek version of Cleomedes (1891). Ziegler, Hermann (ed.). Cleomedis De motu circulari corporum caelestium libri duo. B. G. Teubneri. pp. 32. the passage starts Chapter 4.
Meeus, Jean (1998). Astronomical Algorithms (Second English ed.). Richmond: Willmann-Bell, Inc. pp. 177–182. ISBN 0-943396-61-1.

astronomicalheritage.net (Global: low place; English: low place)

web.astronomicalheritage.net

"Dengfeng observatory, China". UNESCO.

astropixels.com (Global: low place; English: low place)

"Solstices and Equinoxes: 2001 to 2100". AstroPixels.com. February 20, 2018. Retrieved December 21, 2018.

bas.ac.uk (Global: low place; English: low place)

"Midwinter's Day in Antarctica". British Antarctic Survey. Retrieved May 29, 2026.
"NEWS STORY: Midwinter's Day in Antarctica". British Antarctic Survey. Retrieved May 29, 2026.

bbc.com (Global: 26^th place; English: 23^rd place)

"Midwinter's Day: King sends message to Antarctic scientists". www.bbc.com. June 21, 2025. Retrieved May 29, 2026.

darksky.wales (Global: low place; English: low place)

Trow, Allan (May 28, 2019). "Midsummers Night!". Dark Sky Wales. Retrieved June 22, 2026.

discovercollinsville.com (Global: low place; English: low place)

"Winter Solstice Sunrise Observance at Cahokia Mounds". Collinsville Chamber of Commerce. Retrieved December 20, 2017.

doi.org (Global: 2^nd place; English: 2^nd place)

Exton, Harold (1992). "A Fresh Analysis of Some Recent Data on Atmospheric Refraction Near the Horizon with Implications in Archaeoastronomy". Journal of History of Astronomy, Archaeoastronomy Supplement. 23 (17): S57. Bibcode:1992JHAS...23...57E. doi:10.1177/002182869202301707. S2CID 118484271.
Hugh, Thurston (2001). "Early Greek Solstices and Equinoxes". Journal for the History of Astronomy. 32, Part 2 (107): 154–156. Bibcode:2001JHA....32..154T. doi:10.1177/002182860103200208. ISSN 0021-8286. S2CID 118464897.

eso.org (Global: 2,825^th place; English: 3,168^th place)

"A Solargraph taken from APEX at Chajnantor". European Southern Observatory. Retrieved December 9, 2015.

google.com (Global: 109^th place; English: 87^th place)

Kent, April Elliott (June 7, 2011). The Essential Guide to Practical Astrology. Penguin. p. 284. ISBN 978-1-61564-093-5. Retrieved December 9, 2015.
Bass, Charles O. (1994). Astronomy Essentials. Research & Education Assoc. p. 35. ISBN 978-0-87891-965-9. Retrieved December 9, 2015.
Kiddle, Henry (1877). A new manual of the elements of astronomy, descriptive and mathematical: comprising the latest discoveries and theoretic views : with directions for the use of the globes, and for studying the constellations. Ivison, Blakeman, Taylor, & Company. p. 82. Retrieved June 2, 2011.
Jain, R.K. ICSE Geography. Ratna Sagar. p. 25. ISBN 978-81-8332-579-0. Retrieved December 9, 2015.
Stewart, Alexander (1869). A Compendium of ModernGeography. Edinburgh: Oliver & Boyd. p. 383. Retrieved December 9, 2015.

greatriverroad.com (Global: low place; English: low place)

"Visitors Guide to the Woodhenge". Archived from the original on December 22, 2017. Retrieved December 19, 2017.

illinois.gov (Global: 6,826^th place; English: 3,415^th place)

"Welcome the Fall Equinox at Cahokia Mounds". Illinois Department of Natural Resources. Retrieved November 25, 2024.

imcce.fr (Global: low place; English: low place)

imcce.fr

ssp.imcce.fr

The beginnings of the astronomical seasons between –4000 and +2098 can also be obtained from the IMCCE website Seasons.
"Seasons". IMCCE.

indiancountrymedianetwork.com (Global: low place; English: low place)

"Cahokia Mounds Mark Spring Equinox : The keepers of Cahokia Mounds will host a spring gathering to celebrate the vernal equinox". Indian Country Today. Indian Country Media Network. Archived from the original on December 22, 2017. Retrieved December 20, 2017.

merriam-webster.com (Global: 425^th place; English: 373^rd place)

"solstice". Merriam-Webster. Merriam-Webster, Incorporated. Retrieved December 9, 2025.

navy.mil (Global: 206^th place; English: 129^th place)

aa.usno.navy.mil

Astronomical Applications Department of USNO. "Earth's Seasons - Equinoxes, Solstices, Perihelion, and Aphelion". Retrieved August 1, 2022.
"Solstice data". USNO.

nga.mil (Global: 415^th place; English: 391^st place)

msi.nga.mil

For an introduction to these topics of astronomy refer to Bowditch, Nathaniel (2002). The American Practical Navigator: an Epitome of Navigation (PDF). Bethesda, Maryland: National Geospatial-Intelligence Agency. Chapter 15 "Navigational Astronomy". Archived from the original (PDF) on February 8, 2016. Retrieved December 9, 2015.

oed.com (Global: 743^rd place; English: 419^th place)

"solstice". OED. Retrieved May 17, 2025.
"sunstead". OED. Retrieved May 17, 2025.
"sunstay". OED. Retrieved May 17, 2025.

scholastic.com (Global: 5,923^rd place; English: 3,784^th place)

"The Summer and Winter Solstices". Scholastic. 2017. Retrieved October 1, 2017.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Exton, Harold (1992). "A Fresh Analysis of Some Recent Data on Atmospheric Refraction Near the Horizon with Implications in Archaeoastronomy". Journal of History of Astronomy, Archaeoastronomy Supplement. 23 (17): S57. Bibcode:1992JHAS...23...57E. doi:10.1177/002182869202301707. S2CID 118484271.
Hugh, Thurston (2001). "Early Greek Solstices and Equinoxes". Journal for the History of Astronomy. 32, Part 2 (107): 154–156. Bibcode:2001JHA....32..154T. doi:10.1177/002182860103200208. ISSN 0021-8286. S2CID 118464897.

thai-isan-lao.com (Global: low place; English: low place)

sundial.thai-isan-lao.com

Mollerup, Asger (January 12, 2008). "Solstice Determination based on Observations". Archived from the original on February 11, 2009. Retrieved September 27, 2010.

timeanddate.com (Global: 1,890^th place; English: 1,640^th place)

"December solstice". Retrieved March 21, 2018.
"June solstice". Retrieved March 21, 2018.

unesco.org (Global: 104^th place; English: 170^th place)

whc.unesco.org

Historic Monuments of Dengfeng (China)L ICOMOS Evaluation (Report). International Council on Monuments and Sites. Retrieved April 17, 2021.

usap.gov (Global: low place; English: low place)

"The USAP Portal: Science and Support in Antarctica - Stations Across Antarctica Celebrate the Halfway Point of the Cold, Dark Winter". www.usap.gov. Retrieved May 29, 2026.

web.archive.org (Global: 1^st place; English: 1^st place)

For an introduction to these topics of astronomy refer to Bowditch, Nathaniel (2002). The American Practical Navigator: an Epitome of Navigation (PDF). Bethesda, Maryland: National Geospatial-Intelligence Agency. Chapter 15 "Navigational Astronomy". Archived from the original (PDF) on February 8, 2016. Retrieved December 9, 2015.
"Visitors Guide to the Woodhenge". Archived from the original on December 22, 2017. Retrieved December 19, 2017.
"Cahokia Mounds Mark Spring Equinox : The keepers of Cahokia Mounds will host a spring gathering to celebrate the vernal equinox". Indian Country Today. Indian Country Media Network. Archived from the original on December 22, 2017. Retrieved December 20, 2017.
Mollerup, Asger (January 12, 2008). "Solstice Determination based on Observations". Archived from the original on February 11, 2009. Retrieved September 27, 2010.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Hugh, Thurston (2001). "Early Greek Solstices and Equinoxes". Journal for the History of Astronomy. 32, Part 2 (107): 154–156. Bibcode:2001JHA....32..154T. doi:10.1177/002182860103200208. ISSN 0021-8286. S2CID 118464897.

Solstice (English Wikipedia)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

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ahdictionary.com (Global: 4,364th place; English: 2,759th place)

antarctica.gov.au (Global: low place; English: 8,335th place)

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astropixels.com (Global: low place; English: low place)

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darksky.wales (Global: low place; English: low place)

discovercollinsville.com (Global: low place; English: low place)

doi.org (Global: 2nd place; English: 2nd place)

eso.org (Global: 2,825th place; English: 3,168th place)

google.com (Global: 109th place; English: 87th place)

greatriverroad.com (Global: low place; English: low place)

illinois.gov (Global: 6,826th place; English: 3,415th place)

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navy.mil (Global: 206th place; English: 129th place)

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timeanddate.com (Global: 1,890th place; English: 1,640th place)

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search.worldcat.org

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ahdictionary.com (Global: 4,364^th place; English: 2,759^th place)

antarctica.gov.au (Global: low place; English: 8,335^th place)

archive.org (Global: 6^th place; English: 6^th place)

bbc.com (Global: 26^th place; English: 23^rd place)

doi.org (Global: 2^nd place; English: 2^nd place)

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google.com (Global: 109^th place; English: 87^th place)

illinois.gov (Global: 6,826^th place; English: 3,415^th place)

merriam-webster.com (Global: 425^th place; English: 373^rd place)

navy.mil (Global: 206^th place; English: 129^th place)

nga.mil (Global: 415^th place; English: 391^st place)

oed.com (Global: 743^rd place; English: 419^th place)

scholastic.com (Global: 5,923^rd place; English: 3,784^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

timeanddate.com (Global: 1,890^th place; English: 1,640^th place)

unesco.org (Global: 104^th place; English: 170^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 4^th place; English: 4^th place)