Ancient Chinese people worked out and used their own system of time division, the oldest and the longest-lasting one being the hundred-quarter division (the Chinese term for quarter, ke, originally meant notch -- the notch on the arrow in a clepsydra).

• 我国古代制定、沿用自成体系的计时法。 百刻计时法最古老，使用的时间也最长。 大约西周之前(公元前十一世纪)，古人就把一昼夜均分为一百刻(一刻等于14.；4分)。