It can vary by as much as +1 to -1 hours with respect to the local sunset time. For instance, on January 17, 1995 Full Moon rise at +50 North was at 17:41. Sunset, according to the US Nautical Almanac was at 16:29, so that moonrise occurred 1 hour 12 minutes AFTER sunset. But, on August 10, 1995...Sunset was at 19:28 and moonrise was at 18:55, so that moonrise occurred 33 minutes BEFORE sunset. During 1995, the interval ( hrs:mins) between sunset and moonrise for each month was +1:12, +00:26, +00:59, +00:18, +00:58, +00:11, -00:18, -00:33, -00:01, +00:22, +00:15 and +00:50 with + meaning moonrise after sunset and - meaning moonrise before sunset. As for the interval between moonrise on the day before and the day after Full Moon, on the day before, the Moon rises about one hour earlier than on the day of Full Moon, and on the day after, it rises about one hour later than on the day of Full Moon. Example, for the upcoming Full Moon on November 7, 1995, moonrise is at 16:47. On the previous day it will be at 16:14, and on the following day it will be at 17:24.