NavList thread: Sea Day versus Astronomical Day
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10 Aug 2017, 15:11 | Robert H. van Gent
10 Aug 2017, 16:41 | Don Seltzer
10 Aug 2017, 18:40 | Herbert Prinz
12 Aug 2017, 22:09 | Frank Reed
12 Aug 2017, 23:35 | Stephen N.G. Davies
13 Aug 2017, 10:36 | Robert H. van Gent