The name is not a mood board. In Portland, Oregon, the good light is a scheduling constraint with real numbers attached to it, and treating it as one is most of the job.
Sunset here moves four and a half hours across the year. It falls at 9:04 PM on June 26 and at 4:28 PM on December 10. That is not a seasonal nuance, it is a different day. A timeline copied off a national planning blog will put your portraits an hour after the sun has gone in October and an hour before anything interesting starts happening in July.
Cover changes it again. Forest, canyon and ridge shadowed sites lose usable light 60 to 120 minutes before open sites do. A vineyard on an open west facing slope and a garden under a fir canopy fifteen minutes apart are not on the same clock, and a timeline that treats them as though they are will cost you the best twenty minutes of the day.
And the sky is not always cooperating. Portland gets 163 days of precipitation and 68 fully clear days a year, with roughly 2,143 hours of sunshine, about 48 percent of possible daylight. July averages 0.50 inches of rain and August 0.54, against 5.45 in November and 5.77 in December. Measurable rain falls on 11.6 percent of July days and 60.9 percent of November days.
What that adds up to as an operating principle: the light is a fixed resource on any given date, it is knowable in advance to the minute, and a timeline is a plan for spending it. Everything else on a shoot day is negotiable. The sun is not.