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Questions and Answers
ماذا يستخدم علماء الفلك لحساب طول الشهر القمري؟
ماذا يستخدم علماء الفلك لحساب طول الشهر القمري؟
- 29 يومًا
- 28 يومًا (correct)
- 27 يومًا
- 30 يومًا
كيف يتم تحديد بداية شهر جديد في التقويم القمري الإسلامي والعبري؟
كيف يتم تحديد بداية شهر جديد في التقويم القمري الإسلامي والعبري؟
- بمراقبة الأحوال الجوية
- بمراقبة الأجرام السماوية الأخرى
- بمراقبة القمر الصاعد (correct)
- بمراقبة النجوم اللامعة
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Study Notes
- The Islamic lunar calendar consists of 12 months.
- The lunar month can be either 29 or 30 days long.
- Astronomers consider the lunar month to be 28 days long.
- There are two days during the lunar cycle when the moon is completely invisible.
- Different lunar calendars have different methods for determining the start of a new month.
- The Chinese lunar calendar determines the start of a new month based on the appearance of the crescent moon in a specific time zone.
- The Islamic and Hebrew lunar calendars determine the start of a new month based on the sighting of the crescent moon.
- The table in the text shows the lunar cycle from 2006 to 2020 according to Central European Time.
- The Islamic months are: Muharram, Safar, Rabi' al-Awwal, Rabi' al-Thani, Jumada al-Ula, Jumada al-Akhirah, Rajab, Sha'ban, Ramadan, Shawwal, Dhu al-Qidah, and Dhu al-Hijjah.
- The length of the lunar month affects the timing of Islamic holidays such as Ramadan and Eid al-Fitr.
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