Ok, first off, he forgot about daylight savings time. 1:30pm DST is actually 12:30 standard time, and he mentions living on the edge of the time zone, so being half an hour off is expected.
Secondly, his key assumption is that the sun revolves around him, and this assumption disproves Flat Earth.You probably noticed that he is using the 15° per hour sun travel. At 6am and 6pm local solar time (when the sun is in the zenith due south at noon solar time), this puts the sun exactly due east or due west ... Read even more