Module icu_calendar::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