New moon western horizon shortly after sunset and before moonset. A lunation or synodic month is the average time from one new moon to the next. In the J2000.0 epoch, the average length of a lunation is 29.530588 days (or 29 days, 12 hours, 44 minutes, and 2.8 seconds). However, the length of any one synodic month can vary from 29.26 to 29.80 days due to the perturbing effects of the Sun's gravity on the Moon's eccentric orbit. In a lunar calendar, each month corresponds to a lunation. Each lunar cycle can be assigned a unique lunation number to identify it. The
Charles Jarrott (racing driver) 4 minutes and 12 seconds. He later entered the "Paris–Vienna Trail" (sometimes described as the VII Grand Prix de l'A.C.F.) where he finished 23rd in the Panhard et Levassor number 8, completing the 990 km in 20 hours, 44 minutes and 12 seconds. Jarrott's greatest success was winning the 1902 "Circuit des Ardennes" in the Panhard et Levassor, completing the 6 lap, 512 km race at Bastogne in car number 8, taking 5 hours, 53 minutes 39 seconds. Jarrott had inherited the lead on lap 3 after Baron Pierre de Crawhez retired in his Mors Z. In 1903 he finished