Meanings1morningThe time from morning to noon.2morning; a.m.The time from 12 a.m. to 12 p.m.Written Forms오전Hangul午前HanjaExamples from Lessons (3)내일 수업의 시간은 오전 열 시예요.Tomorrow's class is at 10 a.m.Read the Lesson 오늘 수업은 오전 9시부터 시작합니다.Today's class starts at 9 a.m.Read the Lesson 오늘 오전에는 중요한 회의가 있습니다.We have an important meeting this morning.Read the Lesson Grammar in These Examples에Level 1To, At은/는Level 1Topic marker