Usage note
“今天”指的是说话时的这一天，用来表示现在正在过的日子。
“jīntiān” zhǐ de shì shuōhuà shí de zhè yī tiān, yòng lái biǎoshì xiànzài zhèngzài guò de rìzi.
“今天” refers to the current day when speaking, used to indicate the day you are living right now.
Context note
“今天”这个词用来表示说话时的这一天，属于时间类的词语。
“jīntiān” zhège cí yòng lái biǎoshì shuōhuà shí de zhè yītiān, shǔyú shíjiān lèi de cíyǔ.
This word is used to refer to the current day when speaking, and it belongs to the topic of time.
5 examples
今天天气真好
jīn tiān tǐ qì zhēn hǎo
The weather is really nice today.
我们今天去公园
wǒ men jīn tiān qù gōng yuán
We are going to the park today.
今天妈妈做饭
jīn tiān mā ma zuò fàn
Mom is cooking today.
今天是星期五
jīn tiān shì xīng qī wǔ
Today is Friday.
我们今天学习新单词
wǒ men jīn tiān xué xí xīn dōng bā
We are learning new words today.
5 mini stories
今天天气好，爸爸带我去公园。我们玩得很开心。
jīn tiān tǐ qì hǎo, dà ba dài wǒ qù gōng yuán. wǒ men wán de hěn kāi xīn.
The weather is nice today, Dad took me to the park. We had a lot of fun.
今天是周末，妈妈带我去超市。我们买了好多东西。
jīn tiān shì zhōu mò, mā ma dài wǒ qù shū sì. wǒ men mǎi le hěn duō dōng xī.
Today is the weekend, Mom took me to the supermarket. We bought a lot of things.
今天学校放假，我和朋友去公园玩。
jīn tiān xué xiào jiǎ fàng, wǒ hé péng yǒu qù gōng yuán wán.
Today school is off, I went to the park with my friends.
今天天气不好，我们待在家里。
jīn tiān tǐ qì bù hǎo, wǒ men dài zài jiā lǐ.
The weather is bad today, we stayed at home.
今天是妈妈的生日，爸爸送她一束花。
jīn tiān shì mā ma de shēng rì, dà ba sòng tā yì shù huā.
Today is Mom's birthday, Dad gave her a bunch of flowers.
Mini dialogue
天气
A
今天天气怎么样？
Jīn tiān tiānqì zěnme yàng?
How is the weather today?
B
今天天气很好，很暖和。
Jīn tiān tiānqì hěn hǎo, hěn nuǎnhuo.
The weather is very nice today, very warm.
计划
A
你今天有什么课？
Nǐ jīn tiān yǒu shénme kè?
What classes do you have today?
B
我今天有中文课和美术课。
Wǒ jīn tiān yǒu Zhōngwén kè hé měishù kè.
I have Chinese class and art class today.
Related words and contrasts
opposite
昨天
zuó tiān
yesterday
今天 is today, 昨天 is yesterday
opposite
明天
míng tiān
tomorrow
今天 is today, 明天 is tomorrow
related
今年
jīn nián
this year
今天 is today, 今年 is this year