Questions tagged [lunar-calendar]

A calendar based on revolution of Moon around Earth.

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If the date changes with sunset, why is 'Asr called the middle prayer?

Islam follows a lunar calendar. Obviously, the month changes at the site of first crescent of the new moon and this happens only at sunset. It therefore implies that a date too should change at sunset. This methodology is followed universally in…
Tabrez Ahmed
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Why doesn't the beginning of the month in the Islamic calendar coincide with my perl calculations of the new moon?

Internet tells me that Gregorian date 19th of July, year 2023 is the first of Muharram. But when I try to calculate the moon phase via perl, (module Astro::MoonPhase), it tells me that on sunset with coordinates for Mecca ($latitude = "+21.422510";…
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Recognizing lunar month by only looking the sky

Suppose somebody went on an island and don't have sense about time, dates, months. The only thing he has is seeing the sky. Is it possible to recognise which lunar month it is by just looking the sky? I ask this because I know how to see beginning…
Alem
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Why Allah choose 12 month

I don't understand why God choose 12 month per year why not 53 10 9 because 12 is a special number we know with the qur'an that 1 month means one lunar cycle and there is exactly 12 lunar cycle EVERY year I don't understand since our hijri calendar…
user39272