dàn
dawn
Depicts the sun (日) rising above the horizon (一) at dawn. In Oracle script the bottom component was the phonetic 丁, which was later reanalyzed as the earth or a horizon.
Evolution

Oracle script
(~1250-1000 BC)
Bronze script
Mid Western Zhou (~900 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
dàn
dawn; morning; day; daybreak; dan, female roles in Chinese opera (traditionally played by specialized male actors)
Component uses
Sources
季旭昇《說文新證》p.539