Calculating the variations of sunrise, sunset and day length times for Baghdad city.With comparison to different regions of the world in year 2019. Iraqi Journal of Science, [S. l.], v. 60, n. 12, p. 2732–2741, 2019. DOI: 10.24996/ijs.2019.60.12.24. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1279.. Acesso em: 3 may. 2024.