As a landscape photographer what is the longest that you have ever waited for the "right" light to show?

Waited? Several hours. Or do you count coming back the next day, or over several days to see the clouds I wanted and the sun angle and...





Then there is the yearly waiting for the wildflowers to bloom.
As a landscape photographer what is the longest that you have ever waited for the "right" light to show?
weeks
As a landscape photographer what is the longest that you have ever waited for the "right" light to show?
If you wait about a month you can catch this one. Then you'll have to wait more than ten months.


http://apod.nasa.gov/apod/ap060712.html