when did calendar move to jan 1 - SERP Analysis

https://www.mass.gov/news/happy-new-year

https://libguides.ctstatelibrary.org/hg/colonialresearch/calendar

https://www.britannica.com/story/why-does-the-new-year-start-on-january-1

https://en.wikipedia.org/wiki/Gregorian_calendar

https://www.webexhibits.org/calendars/year-history.html

https://en.wikipedia.org/wiki/Julian_calendar

https://time.com/6550127/new-year-celebration-january-calendar-date-history/

https://www.history.com/this-day-in-history/january-1/new-years-day

https://encyclopediavirginia.org/entries/the-gregorian-calendar/

https://www.legis.state.pa.us/cfdocs/legis/SpeakerBios/CalendarChanges.cfm

https://www.nationalgeographic.com/history/article/the-new-year-once-started-in-march-heres-why

https://www.reddit.com/r/AskHistorians/comments/1hrbvub/what_was_the_date_on_january_1st_1_ad/

https://www.quora.com/Since-when-does-the-year-begin-on-January-1st

https://www.wel.org/turning-the-calendar-on-a-new-decade-the-history-of-our-current-calendar/

https://christchurch1735.org/1735-times-blog/211-september-14-1752

https://historytimelines.co/timeline/january-01

https://www.youtube.com/watch?v=0XS1KjF25ls

https://www.mentalfloss.com/article/29611/why-does-new-year-start-january-1

https://grapevinelibrary.info/2025/03/the-1752-calendar-change-plus-where-did-my-eleven-days-go/

https://www.quora.com/Why-is-January-1st-the-beginning-of-the-year-and-not-March-21st

https://www.legacyfamilytree.se/WEB_US/calendar_history.htm

https://penelope.uchicago.edu/encyclopaedia_romana/calendar/romancalendar.html

https://www.facebook.com/WestSpringfieldOurStory/posts/prior-to-1752-the-colonies-had-been-using-the-julian-calendar-under-this-calenda/638531322015971/

https://www.timeanddate.com/calendar/months/january.html

https://www.historytoday.com/archive/gregorian-calendar-adopted-england

https://www.timeanddate.com/calendar/julian-gregorian-switch.html

https://www.britannica.com/question/Why-does-the-new-year-begin-on-January-1

https://www.history.com/articles/6-things-you-may-not-know-about-the-gregorian-calendar

https://www.webexhibits.org/calendars/year-countries.html

https://www.facebook.com/groups/741359802908296/posts/2605936516450606/

https://santaynezvalleystar.com/starting-the-year-on-jan-1-is-relatively-new-in-world-history/

https://www.youtube.com/watch?v=gO29Vb2mG9U&pp=0gcJCdgAo7VqN5tD

https://history.stackexchange.com/questions/23384/why-does-the-gregorian-calendar-start-where-it-does

https://stevemorse.org/juliancalendar/julian.htm

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https://www.youtube.com/watch?v=fI4KlxhtiNs

https://www.masterclock.com/origins-of-the-modern-calendar.html

https://www.discovermagazine.com/the-sciences/why-is-january-1-the-beginning-of-a-new-year

http://beaufortartist.blogspot.com/p/1752-calendar-change.html

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https://www.youtube.com/watch?v=fQSvQNE43ks

https://www.swarthmore.edu/friends-historical-library/quaker-calendar

https://www.calendar.com/history-of-the-calendar/

https://www.opc-cornwall.org/Resc/calendar_change.php

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https://kerryfarmer.info/resources/CalendarGems.htm

https://www.mpacorn.com/articles/origin-of-jan-1-dates-back-2000-years/

https://www.pratt.edu/academics/academic-calendar/

https://faculty.cst.temple.edu/~yury/calendar/node1.html

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http://dates.gmarts.org/calfacts.htm

https://www.amazon.com/Calendar-Pocket-Monthly-Vertical-January/dp/B07XFS1NNT

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https://vocal.media/history/why-does-the-new-year-start-on-january-1

https://www.almanac.com/how-did-months-get-their-names

https://www.agecrofthall.org/single-post/2020/04/29/changing-times-and-english-calendars

https://www.chesterfieldhistoricalsociety-nh.org/what-day-is-it

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https://www.jodyyarborough.com/blog/what-january-means

https://wonderopolis.org/wonder/how-did-the-months-of-the-year-get-their-names

https://www.exploreyourgenealogy.co.uk/the-calendar-change-and-double-dating-1414

https://www.childrensmuseum.org/blog/why-does-the-new-year-begin-on-jan-1

https://americasbesthistory.com/abhtimeline1600m2.html

https://aa.usno.navy.mil/data/JulianDate

https://genfiles.com/articles/calendar-changes-for-genealogists/

https://www.usc.edu/academic-calendar/

https://www.arc.id.au/Calendar.html

https://www.calendar.com/blog/gregorian-calendar-facts/

https://www.ggc.edu/academics/academic-calendars

https://registrar.ucla.edu/calendars/annual-academic-calendar

https://personal.utdallas.edu/~ivor/cs1315/calendar.html

https://blog.ansi.org/ansi/history-of-standard-gregorian-calendar/

https://www.hcidata.info/cgi-bin/calendar.cgi

https://docs.oracle.com/javase/8/docs/api/java/util/GregorianCalendar.html

https://www.nyhistory.org/blogs/happy-new-year-no-seriously

https://www.registrar.iastate.edu/academic-calendars

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https://bookunitsteacher.com/ancient_rome/calendar.htm

https://www.historytoday.com/archive/calendars-clocks-and-culture

https://www.binghamton.edu/academics/academic-calendar.html

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https://ischool.uw.edu/podcasts/dtctw/gregorian-calendar

https://registrar.gatech.edu/current-students/calendars

https://news.ycombinator.com/item?id=39543194

https://support.google.com/calendar/answer/6110849?hl=en&co=GENIE.Platform%3DAndroid

https://www.familysearch.org/en/blog/what-calendar-do-we-use-gregorian

http://www.todayifoundout.com/index.php/2014/01/west-new-year-begin-january-1/

https://bigthink.com/starts-with-a-bang/one-page-calendar/

https://forum.arduino.cc/t/days-since-january-1st-0-ad-gregorian-calendar/1147802

https://www.hermetic.ch/cal_stud/cal_art.html

https://www.washington.edu/students/reg/2425cal.html

https://cs.uwaterloo.ca/~alopez-o/math-faq/node73.html

https://www.cuemath.com/measurement/month/

https://www.calculator.net/date-calculator.html