東部 dōngbù HSK3 east Origin Definitions Defs Strokes Stroke Words Sentences Sents 东部时间 dōngbùshíjiān Eastern Standard Time the standard time used in the eastern parts of the United States and Canada; also known as EST美国东部时间 měiguódōngbùshíjiān US Eastern Time the time zone used on the eastern coast of the United States and Canada