HijriDate-rs

Documentation

Convert between hijri and gregorian date.

The algorithm used to convert between dates is limited to:

minimum handled hijri year = 1356
maximum handled hijri year = 1500

minimum handled gregorian year = 1938
maximum handled gregorian year = 2076

Usage

convert to gregorian

use hijri_date::HijriDate;

let hd = HijriDate::from_hijri(1439,11,19);
assert_eq!((2018,8,1),(hd.year_gr,hd.month_gr,hd.day_gr));

convert to hijri

use hijri_date::HijriDate;

let hd = HijriDate::from_gr(2000,07,31);
assert_eq!((1421,4,29),(hd.year,hd.month,hd.day));

hijri day and month name

use hijri_date::HijriDate;

let hd = HijriDate::from_hijri(1439,11,18);
println!("{}",hd.format("%Y %M %D"));

compare dates

use hijri_date::HijriDate;

let hd_1 = HijriDate::from_hijri(1500, 12, 30);
let hd_2 = HijriDate::from_hijri(1356, 1, 1);
assert!(hd_1 > hd_2);

subtract duration from a day

use hijri_date::{Duration,HijriDate};

let hd_1 = HijriDate::from_hijri(1420, 06, 15);
let hd_2 = HijriDate::from_hijri(1420, 05, 29);
assert_eq!(hd_1 - Duration::days(16), hd_2);

subtract a day from an other to get a duration

use hijri_date::{Duration,HijriDate};

let hd_1 = HijriDate::from_hijri(1356, 06, 15);
let hd_2 = HijriDate::from_hijri(1356, 06, 7);
assert_eq!(hd_1-hd_2,Duration::days(8));

formatting guide

    hijri

    %Y              hijri_year
    %m              hijri_month
    %d              hijri_day
    %D              hijri_day_name
    %M              hijri_month_name
    %l              hijri_month_len

    gregorian

    %gY             gregorian_year
    %gm             gregorian_month
    %gd             gregorian_day
    %gD             gregorian_day_name
    %gM             gregorian_month_name

Credits

I translated the python version https://github.com/tytkal/python-hijiri-ummalqura to rust.

Original algorithm author

Suhail Alkowaileet

Python version author

Khalid Al-hussayen

Chrono