Pembaharuan pemikiran hisab di Indonesia
On Saadoe'ddin Djambek, an Indonesian Muslim astronomer, and his efforts to introduce spherical trigonometry in determining the Islamic calendar.
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On Saadoe'ddin Djambek, an Indonesian Muslim astronomer, and his efforts to introduce spherical trigonometry in determining the Islamic calendar.
Astronomical and calendar method in determining the first day of Ramadhan and Idul Fitri in Indonesia.
Astronomical calculations to determine qiblah, prayer times, and fasting based on Islamic calendar with a reference to Indonesia.
Different viewpoint between N.U. and Muhammadiyah on astronomical calculation on Islamic calendar to determine beginning of Ramadhan in Indonesia.