Board Thread:Questions and Answers/@comment-26177040-20170204031557/@comment-26177040-20170204171909

BunsenH wrote: ... And looking at my scrap of paper again, I see that I made a simple calculation error. 39 hours is 1 day and 15 hours, not 1 day and 13 hours.

On Earth, at least. Ah, that solves it!