Current Science

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This study explains the functioning of a sundial in Moti Masjid, a mosque in Red Fort, Agra, India. The instrument, made in Islamic style, had remained enigmatic for a long time. The present study is an effort to resolve this enigma. The gnomon length for the sundial is ascertained and its functioning has been examined using on-site observations as well as computations.

Keywords

Azimuth, Meridian, Sundial, Time-Keeping, Zenith.
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