piàowù hé yīyuàn xìtǒng yě kěnéng yòng èrshísì xiǎoshí zhì, shíliù diǎn jiùshì xiàwǔ sì diǎn

票务和医院系统也可能用二十四小时制，十六点就是下午四点。

Ticketing and hospital systems may also use the 24-hour clock; 16:00 is 4 p.m.