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Sheikh Tahir Jalaluddin (8 December 1869, Ampek Angkek, Agam, West Sumatra – 26 October 1956) was a famous Muslim ulama in Southeast Asia.

He became the editor for Al-Imam publication which was published in Singapore between 1906 and 1908.

Sheikh Muhammad Tahir published two major treatises on astronomy: Natijatul'Umur (published 1357 H./ 1936 M.) and Kitab Jadual Pati Kiraan (published in 1362 H./ 1941 M.) - logarithms for determining the direction of kiblat and times for prayer.

His son Tun Hamdan Sheikh Tahir was a Penang state governor (Yang di-Pertua Negeri) from 1989–2002.

References

• International IDEA, 2002, Women in Parliament, Stockholm (http://www.idea.int). This is an English translation.
• Sheikh Tahir Jalaluddin in publication. Google search.
• From malay concordance project.