{
  "name": "Old Style to New Style, every day from 1700 to September 2, 1752",
  "desc": "Every Julian date from January 1, 1700, to September 2, 1752, one day per row: the year number under the English legal reckoning that began the year on March 25, the dual-year form for January 1 to March 24, the same day on the Gregorian calendar, the days to add, the Julian Day Number and the weekday.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "The Yardstick Almanac",
  "url": "https://theyardstickalmanac.com/calendars/old-style-new-style-dates/",
  "from": [
    "Calendar (New Style) Act 1750, preamble and section 1 (legislation.gov.uk, Open Government Licence v3.0; read 2026-11-01)",
    "Explanatory Supplement to the Astronomical Almanac, ch. 15, sec. 15.1.10, 15.3.4, 15.3.5, 15.4.1, 15.4.2 (single values only; read 2026-11-01)"
  ],
  "how": "Compiled by The Yardstick Almanac from the data listed",
  "data_by": [
    "Year-start rule from the Calendar (New Style) Act 1750, s. 1 (Open Government Licence v3.0); leap rules from the Explanatory Supplement, sec. 15.3.5 and 15.4.2; computed 2026-11-01 with two independent date routines, CC BY 4.0"
  ]
}