{
  "name": "Three week numbers for the turn of 2026 into 2027",
  "desc": "Each day from December 21, 2026, to January 10, 2027, with its ISO week date and two other week numbers described in the Python documentation: Monday-first weeks from week 0 (%W) and Sunday-first weeks from week 0 (%U).",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "The Yardstick Almanac",
  "url": "https://theyardstickalmanac.com/calendars/iso-week-number/",
  "from": [
    "Python 3.15.2 documentation, datetime module: date.isocalendar(), date.fromisocalendar() and the strftime() format codes %G, %V, %u, %W and %U (Python Software Foundation License Version 2; read 2026-11-01)"
  ],
  "how": "Compiled by The Yardstick Almanac from the data listed",
  "data_by": [
    "Week rules from the Python datetime documentation; computed 2026-11-01 with two independent date routines, CC BY 4.0"
  ]
}