Primary Schools in the Dark

How many winter days per annum would the sun rise after 09:00 under permanent summer time?

Click on the markers to see individual school data.

Currently, 99% of schools have zero days in the year with sunrise after 09:00.

Days of late sunrise
75-79 80-84
85-89 90-94

Thanks to Eoin O'Mahony (@ownohmanny) for the co-ordinates!

Brendan Halpin, Department of Sociology, University of Limerick