About JW Calendar

A dependency-free civil-calendar engine for Ruby with proleptic Gregorian and Julian arithmetic, Julian Day Number conversions, ISO week and ordinal dates, month grids, reform cutovers, and boundary analysis. Civil dates are kept separate from instants and time zones.

For printable calendar resources, see 2027 Calendar and Blank Calendar.

Required Ruby Version

>= 3.3

Authors

JW Calendar

Versions

  1. 0.1.3

    1. source

      1. 0.1.3 source October 02, 2026 (24.5 KB)
  2. 0.1.2

    1. source

      1. 0.1.2 source October 02, 2026 (24.5 KB)
  3. 0.1.1

    1. source

      1. 0.1.1 source October 02, 2026 (24.5 KB)
  4. 0.1.0

    1. source

      1. 0.1.0 source October 02, 2026 (24 KB)

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GitHub

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