Usage note
小时用来表示时间的单位，比如一天有二十四小时。
xiǎoshí lái bǎo shì shíjiān de dānwèi, rúguǒ yītiān yǒu èrshísì xiǎoshí.
小时 is used to indicate units of time. For example, a day has 24 hours.
Context note
小时通常用于描述一天中的时间，比如早上八小时或晚上十小时。
xiǎoshí chángtōng yòng yǔshù míngzuò yītiān zhōng de shíjiān, rúguǒ zǎoshang bā xiǎoshí huò wǎnshàng shí xiǎoshí.
小时 is commonly used to describe times during the day. For example, morning eight hours or evening ten hours.
5 examples
一天有二十四小时。
yì tiān yǒu èr shí sì xiǎo shí。
A day has 24 hours.
早上八小时。
zǎo shàng bā xiǎo shí。
Morning is from eight to twelve hours.
下午四小时。
xià wǔ sì xiǎo shí。
Afternoon is from four to eight hours.
晚上十小时。
wǎn shàng shí xiǎo shí。
Evening is from ten to twelve hours.
一节课四十分钟，相当于两小时。
yì jié kè sì shí fēn zhōng， xiāng dāng yú liǎng xiǎo shí。
A class lasts forty minutes, which is equivalent to two hours.
5 mini stories
妈妈每天早上八小时做饭。爸爸晚上十小时看电视。
mā ma měi tiān zǎo shàng bā xiǎo shí zuò fàn。 bà ba wǎn shàng shí xiǎo shí kàn diàn shì。
Mom cooks from eight in the morning. Dad watches TV from ten at night.
小明每天下午四小时做作业。
xiǎo míng měi tiān xià wǔ sì xiǎo shí zuò zuò yè。
Xiaoming does homework from four in the afternoon.
我们通常早上八小时起床。
wǒ men tōng cháng zǎo shàng bā xiǎo shí qǐ chuáng。
We usually get up at eight in the morning.
晚上十小时，我们休息了。
wǎn shàng shí xiǎo shí， wǒ men xiū xi le。
From ten at night, we rest.
一天二十四小时，我们要合理安排时间。
yì tiān èr shí sì xiǎo shí， wǒ men yào hé lǐ ān pái shí jiān。
A day has 24 hours. We should arrange our time reasonably.
Mini dialogue
等一小时
A
妈妈什么时候回来？
Māma shénme shíhou huílái?
When will mom come back?
B
一个小时后回来。
Yī gè xiǎoshí hòu huílái.
She will be back in one hour.
做作业
A
你做作业要多久？
Nǐ zuò zuòyè yào duōjiǔ?
How long do you need to do homework?
B
要两个小时。
Yào liǎng gè xiǎoshí.
It takes two hours.
Related words and contrasts
related
分钟
fēnzhōng
minute
小时 is an hour, 分钟 is a minute. 1 小时 = 60 分钟.
related
时间
shíjiān
time
小时 is a unit of time, 时间 is the general idea of time.