Module islamic

This module contains types and implementations for the Islamic calendars.

use icu::calendar::islamic::IslamicObservational;
use icu::calendar::{Date, DateTime, Ref};

let islamic = IslamicObservational::new_always_calculating();
let islamic = Ref(&islamic); // to avoid cloning

// `Date` type
let islamic_date =
    Date::try_new_observational_islamic_date(1348, 10, 11, islamic)
        .expect("Failed to initialize islamic Date instance.");

// `DateTime` type
let islamic_datetime = DateTime::try_new_observational_islamic_datetime(
    1348, 10, 11, 13, 1, 0, islamic,
)
.expect("Failed to initialize islamic DateTime instance.");

// `Date` checks
assert_eq!(islamic_date.year().number, 1348);
assert_eq!(islamic_date.month().ordinal, 10);
assert_eq!(islamic_date.day_of_month().0, 11);

// `DateTime` checks
assert_eq!(islamic_datetime.date.year().number, 1348);
assert_eq!(islamic_datetime.date.month().ordinal, 10);
assert_eq!(islamic_datetime.date.day_of_month().0, 11);
assert_eq!(islamic_datetime.time.hour.number(), 13);
assert_eq!(islamic_datetime.time.minute.number(), 1);
assert_eq!(islamic_datetime.time.second.number(), 0);

Structs

IslamicCivil

Civil / Arithmetical Islamic Calendar (Used for administrative purposes)

IslamicCivilDateInner

The inner date type used for representing Dates of IslamicCivil. See Date and IslamicCivil for more details.

IslamicDateInner

The inner date type used for representing Dates of IslamicObservational. See Date and IslamicObservational for more details.

IslamicObservational

Islamic Observational Calendar (Default)

IslamicPrecomputedData 🔒

Contains any loaded precomputed data. If constructed with Default, will not contain any extra data and will always compute stuff from scratch

IslamicTabular

A Tabular version of the Arithmetical Islamic Calendar

IslamicTabularDateInner

The inner date type used for representing Dates of IslamicTabular. See Date and IslamicTabular for more details.

IslamicUmmAlQura

Umm al-Qura Hijri Calendar (Used in Saudi Arabia)

IslamicUmmAlQuraDateInner

The inner date type used for representing Dates of IslamicUmmAlQura. See Date and IslamicUmmAlQura for more details.

IslamicYearInfo 🔒

Enums

IslamicYearLength 🔒

Compact representation of the length of an Islamic year.

Functions

compute_month_day 🔒

Given a year info and the first month it is possible for this date to be in, return the month and day this is in