The first quarter year day hours flow at five points of our earth

The first quarter year covers 94 days for both temperate and tropics. The intervals are from the end of June 21 to September 23 in the temperate and from the end of Sene 14 to Meskeram 13 in the tropics. In the figure below, both down ward and upward steeper and flatter sloping day hour flows are observed in the temperates and in the tropics respectively.