Lunar month with the Sun one or two days before that evening ("e.g.", in the Islamic calendar). In ancient Egypt the lunar month began on the day when the waning moon could no longer be seen just before sunrise. Others use calculation, of varying degrees of sophistication, "e.g.", the Hebrew calendar or the ecclesiastical lunar calendar. Yet others run from full moon to full moon. Calendars count integer days, so months may be 29 or 30 days in length, in some regular or irregular sequence. In India the month from conjunction to conjunction is divided into thirty parts known as "tithis". The
1928 Isle of Man TT held in heavy rain and mist. The bad race conditions produced many retirements and a slow average speed. The eventual winner of the 1928 Senior TT Race was Charlie Dodson, riding a Sunbeam motorcycle, in 4 hours, 11 minutes and 40 seconds, at an average speed of . 1928 Isle of Man TT In the 1928 Isle of Man Tourist Trophy the newly developed 'positive-stop' foot gear-change by Velocette gave Alec Bennett his fifth TT Race win in the 1928 Junior, in the time of 3 hours, 50 minutes and 52 seconds, at an average speed of , and setting