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Seiko

AM/PM is at 6:00 and 18:00 but depending on the month it can vary by a few minutes on either side. So, no, not actual am/pm.

 

"On a standard meridian at the equator one might expect the Sun to rise at 6:00 A.M. and set at 6:00 P.M., but the Sun rises at 6:03 A.M. in July, a summer month, and also rises late, at 6:11 A.M. in February, a winter month. It rises seven minutes before 6:00 A.M. in mid-May, and 20 minutes before 6:00 A.M. at the end of October. At the equator these effects are entirely accounted for by the equation of time." source cso.caltech.edu

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