He got up around dawn and went for a walk.
Applies to each form listed below
Standard kanji spelling; the reading しののめ is a jukujikun (special kanji reading).
Kana spelling is sometimes used, especially in modern or casual contexts, but the kanji form is more traditional.
The reading しののめ is a jukujikun (special kanji reading) assigned to the kanji 東雲, which literally mean 'east cloud'. The exact origin of the reading is uncertain, but it is traditionally associated with the faint light appearing in the eastern sky before sunrise.