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@spezutil/hijri-core

v0.1.2

Published

Zero-dependency Hijri (Fatimid/Bohra) calendar engine.

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Links

Git

Maintainers

digitaltakeoffdigitaltakeoff

Keywords

Readme

@spezutil/hijri-core

Zero-dependency Hijri (Fatimid/Bohra tabular) calendar engine: Hijri ↔ Gregorian conversion, month lengths, leap years, formatting/parsing, and localized month/weekday names.

Uses the arithmetic Misri calendar (30-year cycle, epoch JD 1948438.5) with an optional per-date corrections overlay. All conversions are UTC-based.

Install

npm install @spezutil/hijri-core

Usage

import { createCalendar, formatHijri } from "@spezutil/hijri-core";

const cal = createCalendar();

const hijri = cal.gregorianToHijri(new Date(Date.UTC(2026, 6, 6)));
// { year: 1448, month: 1, day: 22 }

const greg = cal.hijriToGregorian({ year: 1448, month: 1, day: 22 });

formatHijri(hijri, "D MMMM YYYY"); // "22 Moharram al-Haraam 1448"

cal.monthLength(1448, 1); // 30
cal.isLeapYear(1448);

Locale data: translitMonthNames, arMonthNames, weekdayNames, arWeekdayNames.

Related packages

Docs

https://hatimmnomani.github.io/SpezUtil/

License

Apache-2.0