Talk:Solar cycle (calendar)

External links modified (January 2018)
Hello fellow Wikipedians,

I have just modified one external link on Solar cycle (calendar). Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20150324175305/http://www.staff.science.uu.nl/~gent0113/calendar/isocalendar_text4.htm to http://www.staff.science.uu.nl/~gent0113/calendar/isocalendar_text4.htm

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Cheers.— InternetArchiveBot  (Report bug) 14:54, 20 January 2018 (UTC)