Open calendar computation, date conversion, print layouts, reasoning data, and intent classification tools.
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ChronoGrid — Calendar Computation Laboratory
🗓Gregorian date fields, ISO weeks and month-grid diagnostics.
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Gregorian ↔ Julian Date Laboratory
🧭Convert proleptic Gregorian, Julian, and JDN dates.
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Calendar Print & Layout Engineering Lab
📐Measure printable calendar grids for A4 and US Letter.
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jwcalendar/calendar-reasoning-benchmark
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