Holiday in Qinghai – Qinghai Travel for It is possible that the edge of the coma was slightly backlighting part of the edge limb of the Moon. If these observations of the young crescent Moon were the irst sightings of the new Moon in Babylon and/or Jerusalem, the comet’s presence may have been perceived to be enduing the occasion with special importance. However, even if this was the irst sighting of the new Moon in Babylon, the Babylonian method of determining the start of new months by advance calculation would probably have resulted in the new month of Ululu starting on the evening of September , so that Ululu was the evening-to-evening day September /. Accordingly, what happened after sunset on September would have taken place at the start of Ululu The Judeans, however, had an observational luni-solar calendar. As a result, if the new crescent Moon went unobserved on September , this sighting of the crescent Moon after sunset on September would have coincided with the formal beginning of the new month, Tishri. In the Jewish calendar, Tishri was no ordinary month. It was the irst month of the civil year. Holiday in Qinghai – Qinghai Travel 2016.