Or bad latitude. The sun is up between 0900 and 1500. It is a bleak sun, sort of the sun from the movie "Sunshine". Because of this the War of the Ring-related blog "jaowsbloggen" is under extreme tension: How will I update if I my pictures, normally half-assed, now are utter crap?
A light-box and a day light bulb is the solution! But it will take some time, so bear with the many updates on other peoples stuff and hobbying, and the occasional indie-singer/songwrite from Japan.