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All Journal Al-Afaq: Jurnal Ilmu Falak dan Astronomi Welfare: Jurnal Pengabdian Masyarakat
Saifulloh, M.
Unknown Affiliation
Astronomy Earth & Planetary Sciences Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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Studi Komparasi Sejarah dan Aturan Kalender Tahun Masehi: Julian dan Gregorian Farah, Labibah Amil; Saifulloh, M.; Roesuldi, Juhanda
AL - AFAQ : Jurnal Ilmu Falak dan Astronomi Vol. 4 No. 1 (2022): Juni 2022
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/afaq.v4i1.4361

Abstract

The common era calendar was a calendar from the ancient Roman calendar that uses lunar system that Julius Caesar then modified on sosignes' suggestion to use the solar system as the with one year's tropical length to 365.25 days. As science progressed, Pope Gregory XIII made improvements by favoring a reference to the tropic count 365.2425 days, shorter by 0.0075 days than Julian. Gregory added new rules and corrections to Julian's calendar to keep the calendar in line with the annual movement of the sun. It also explains how dates are dated before and after the common era.Keywords: calendar, masehi, julian, gregorian, islamic astronomy
Studi Komparasi Sejarah dan Aturan Kalender Tahun Masehi: Julian dan Gregorian Farah, Labibah Amil; Saifulloh, M.; Roesuldi, Juhanda
AL - AFAQ : Jurnal Ilmu Falak dan Astronomi Vol. 4 No. 1 (2022): Juni 2022
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/afaq.v4i1.4361

Abstract

The common era calendar was a calendar from the ancient Roman calendar that uses lunar system that Julius Caesar then modified on sosignes' suggestion to use the solar system as the with one year's tropical length to 365.25 days. As science progressed, Pope Gregory XIII made improvements by favoring a reference to the tropic count 365.2425 days, shorter by 0.0075 days than Julian. Gregory added new rules and corrections to Julian's calendar to keep the calendar in line with the annual movement of the sun. It also explains how dates are dated before and after the common era.Keywords: calendar, masehi, julian, gregorian, islamic astronomy
Plang Edukasi Waktu Urai Sampah sebagai Media Informasi dan Pengingat Pengelolaan Sampah Islamiah, Adinda Nurul; Pratiwi, Asti Dwi; Saifulloh, M.; Wiratama, Maulana Bagas Adi
Welfare : Jurnal Pengabdian Masyarakat Vol. 3 No. 3 (2025): Welfare : September 2025
Publisher : Fakultas Ekonomi dan Bisnis Islam, IAIN Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/welfare.v3i3.2628

Abstract

The educational signboard program on the decomposition time of inorganic waste in Titik Village, Semen District, Kediri Regency was implemented to raise public awareness of the impact of inorganic waste that is difficult to decompose. The Asset-Based Community Development (ABCD) approach was used to empower the community through five stages: discovery, dream, design, define, and destiny. The results of the activity showed an increase in residents' understanding of the types of inorganic waste and their decomposition times, such as plastic bottles (approximately 400 years), aluminum cans (80–200 years), milk cartons (5 years), and styrofoam (non-biodegradable). The signs installed at strategic locations serve as both an information medium and a reminder for the community to manage waste properly. This activity not only impacted changes in residents' behavior but also encouraged active participation and cooperation in maintaining environmental cleanliness.
Co-Authors Farah, Labibah Amil Islamiah, Adinda Nurul Pratiwi, Asti Dwi Roesuldi, Juhanda Wiratama, Maulana Bagas Adi