If it's two hours of time slip every six months that's 668.5991 mars year / six months 180 days = 3.714 two hour time slips (not right) because then it's only 6 hours of slip not 24 so try two hours of earth slip backwards every 111 Martian days.
In reply to Re^4: Mars Cydonia face to face
by Anonymous Monk
in thread Mars Cydonia face to face
by Anonymous Monk
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