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List: kde-i18n-doc
Subject: Re: Which Islamic calendar is commonly used?
From: Fusion Future <qydwhotmail () gmail ! com>
Date: 2023-01-12 12:01:21
Message-ID: 91283d87-aea9-2c4c-9344-53492955c15d () gmail ! com
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On 1/11/23 22:02, Andika Triwidada wrote:
> So Islamic calendar variants are categorized as below:
> [A] Religious: Based on the sighting of the hilal. Actual dates
> vary by location.
> Algorithmic
> [B1] Tabular: ICU "civil", Microsoft "HijriCalendar"
> [B2] Umm Al-Qura: Saudi Arabia and others, Microsoft "UmAlQuraCalendar"
Thank you Andika.
I added the 3 kinds of Islamic calendars in
https://invent.kde.org/plasma/kdeplasma-addons/-/merge_requests/317
Hope they can cover most cases.
AboutReligious, do you know where I can get the guidance to calculate
Islamic calendar date according to location (and is it moon position or
geographical location)? Because Islamic Calendar (Astronomical) in
libicu does not consider longitude/latitude, but the algorithm does
calculate moon position, so I am confused here.
Reference:
https://github.com/unicode-org/icu/blob/030fa1a4791ee7c2f58505ebb61253c3032916ec/icu4c/source/i18n/astro.cpp#L1066 \
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