sorry...It should have read the period of daylight varies as much as 6 hours from solstice to solstice. Troy ([EMAIL PROTECTED])
[EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] wrote: <snip> ...as the time of sunset varies by as much as 6 hours from solstice to solstice (here in Michigan). <end snip> Hmmm... can someone help me out? A quick check of my astrolabe, with a plate for St. Paul, MN, gives sunset at about 1618hrs for the winter solstice, and about 1943 for summer - about a 3 1/2 hr variance. Am I missing something?