一更 Traditional form: 一更 Pinyin (reading): yīgēng Definitions: first of the five night watch periods 19:00-21:00 (old) Characters: 一 - one; a, an; alone 更 - more, further; to shift, to alternate; to modify Traditional characters: 一 - one; a, an; alone 更 - more, further; to shift, to alternate; to modify