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This article provides an edition of the Persian translation of zij-I shustaka written originally in Arabic by an Iranian astronomer husayn ibn musa hurmuzi. Around 10 centuries ago . different form most known zijes.this short treatise does not include many detailed tables .it only has two relatively small tables for calculating the conjuncations and oppositions of the sun and the moon . and the lunar crescent visibility . using the astronomical calendars of four years prior to the given year , hurmuzi calculates the ecloptical longitudes of the sun the moon and the planets . he actually makes use of the known periods of the motions of the celestial bodies . a photo of a very old Arabic manuscript is also provided at the end of the article