Sentence:  The Mahometan year consists of 12 lunar months, each containing 29 days, 12 hours and 792 <WSD>scruples</WSD>; (1080 <WSD>scruples</WSD> = 1 hour) so that the year contains 354 days, 8 hours and 864 <WSD>scruples</WSD>. 
Meaning of the word marked with <WSD> tags:  A Hebrew unit of time equal to (1080) hour.