[alright2565]

that map shows most major cities in North America have the sun set before 5PM (traditional work end time). New York, DC, Los Angeles, San Fransisco, Chicago.

New York, Boston, and Chicago all set before 4:30, a minimum of 10% of the population just there.

[madcaptenor]

Right. Most people have sunset before 5 (there's not that much blue on the map), but not before 4:30.