Vol 6, No 1, 2024

Articles

• THE EVOLUTION OF AL-JALĀLĪ CALENDAR: INSIGHTS FROM ‘UMAR KHAYYĀM'S CONTRIBUTIONS

  Ulil Albab Al aulia Alpaten, Rustam Dahar Karnadi Apollo Harahap

  1-20

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  Abstract View: 141 PDF Download: 125

• THE HISTORY OF DETERMINING TIME AT NIGHT USING NOCTURLAB INSTRUMENTS

  Nuril Fathoni Hamas

  21-36

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  Abstract View: 133 PDF Download: 65

• THE VALUE OF IḤTIYĀṬ’S PRAYER TIMES IN SEMARANG CITY

  Muhammad Irkham Maulana

  37-54

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  Abstract View: 115 PDF Download: 65

• IMPLEMENTATION OF THE JEAN MEEUS ALGORITHM IN CALCULATING NEW MOON AND FULL MOON DATA

  Susan Venia

  55-68

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  Abstract View: 194 PDF Download: 118

• DETERMINING PRAYER TIMES IN MIDNIGHT SUN COUNTRIES

  Aulia Salma, Muhammad As'ad

  69-78

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  Abstract View: 117 PDF Download: 56

• DETERMINING THE INITIAL TIME OF MORNING PRAYER USING THE SOUND OF A ROCK'S CROWD

  Atina Zahiratul Fikrah

  79-94

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  Abstract View: 102 PDF Download: 49