[EnergyPlus_Support] Daylighting map hours differ from thosa in the table.csv results

["abeermme" <abeermme@xxxxxxxxx>]

Hi,
I've requested daylighting illuminance timebins (Report: Table: 
Timebins), got the annual total number of hours of 2988 hours for each 
hour which seems more compliant with my schedules of operation (and 
holidays)
BUT requesting a daylighting map, I got an annual  total number of 
hours of 4380 for each point, looking at daily results I found that 
the results are reported for different ranges of hours in different 
days of months (my occupancy hours are from 7 to 19 daily) but at the 
map file illuminance hours are reported from 7 to 17 in january and 
february while in March, April, and May , are from 6 to 18, and even 
different for other months
Could you please help me to understand how these values are 
calculated; why for these different ranges of hours? and why they're 
different along the year? 
Waiting your replies with gratitude
Abeer



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