Basic Chinese 3 : Number & Time
数字与时间
(Simplified)

Chinese number is relatively easy.
There is no a specific word for the number above 10.  
Just compose the number we’ve just learned.

•十一 (11)
•十二 (12)
•十三 (13)
•十四 (14)
•十五 (15)
•二十  (20)
•二十一 (21)

•三十三 (33)
•四十五 (45)
•五十六 (56)
•六十七 (67)
•七十八 (78)
•八十九 (89)
•九十一 (91)

你今年几岁? (nǐ jīn nián jǐ suì)
How old are you?  
我十五岁。 (wǒ shí wǔ suì)
I am 15 years-old.  
他今年几岁? (tā jīn nián jǐ suì)
How old is he?  
他七十三岁。(tā qī shí sān suì )
He is 73 years-old  
他们今年几岁? (tā men jīn nián jǐ suì)
How old are they?  
他们今年五十六岁。
(tā men jīn nián wǔ shí liù suì)
They are

今年是几年? (jīn nián shì jǐ nián )
What year is it  
今年是二零二一年
(jīn nián shì èr líng èr yī nián)
It’s 2021.

今天是星期几? (jīn tiān shì xīng qī jǐ )
What day is today?
今天是星期一。 (jīn tiān shì xīng qī yī)
Today is Monday.  
今天是周几? (jīn tiān shì zhōu jǐ)
What day is today?
今天是周五。(jīn tiān shì zhōu wǔ)
Today is Friday  
今天礼拜几? (jīn tiān lǐ bài jǐ)
What day is it today?
今天礼拜三。(jīn tiān shì lǐ bài sān)
Today is Wednesday.

今天是几号? (jīn tiān shì jǐ hào)
What is the date today?
今天是七月十三日
(jīn tiān shì qī yuè shí sān rì )
Today is July 13th  
今天是几月几日?
(jīn tiān shì jǐ yuè jǐ rì)
What is the date today?
今天是五月三十一日
(jīn tiān shì wǔ yuè sān shí yī rì )
Today is July 13th  
是 can be omitted in these expressions.

现在几点几分？ (xiàn zài jǐ diǎn jǐ fēn)
What time is it now?
现在八点十五分 (xiàn zài bā diǎn shí wǔ fēn )
It’s 8:15  现在几点? (xiàn zài jǐ diǎn)
What time is it now?
现在十二点整 (xiàn zài shí èr diǎn zhěng )
It’s twelve o’clock.
现在十点半 (xiàn zài shí diǎn bàn)
It’s ten thirty.

现在几时几分? (xiàn zài jǐ shí jǐ fēn)
What time is it now?
三时四十五分 (sān shí sì shí wǔ fēn)
3:45
点 is colloquially preferred, 时 is mainly used in announcements.