朝早く, あさはやく
Adverb
early in the morning
朝早くに、鳥が歌う。
朝早い, あさはやい
Conjugated: 朝早く
early in the morning, early-morning
に
Particle
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), with
5. by, from