A precise date-math utility that calculates exact age in years, months, and days. Built with Vanilla JavaScript to master Date object manipulation, leap-year edge cases, and complex input validation.
Nepali Date arithmetic and conversion tool
Metadata-driven SAS engine for insurance coverage reconciliation: merges overlapping proof periods, applies lapse-threshold rules, and calculates policy adjustment factors and executive liability signals.
A highly modular C++11 engine for bi-directional Gregorian/Tabular Hijri calendar conversions, absolute date arithmetic, and period overlap analysis. Features dynamic runtime manual offset adjustment with on-disk state persistence to sync variations, constant-time O(1) weekday computation, and robust crash-resilient CLI input validation.
Go code and notes for counting dates where day-of-month equals ISO week number in a Gregorian year
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