日 (rì): sun, day

日 (rì) is a Chinese character meaning “sun, day.” Classified as HSK Level 1 (HSK 3.0 Standard, CLEC 2022), it is composed of 口 (structural) and 一 (structural). It ranks #101 in character frequency (SUBTLEX-CH corpus).

Etymologically pictographic, 日 the sun. Its radical form 日 (sun) appears in many related characters such as 早 (zǎo, early, morning), 时 (shí, time, hour), 明 (míng, bright, tomorrow).

Spoken pronunciation

Definitions

  1. sun, day

Etymology & Origin

日

pictographicThe sun

Decomposition: ⿴口一 (layout: full-surround)

Stroke Order

1
2
3
4

Practice writing 日 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

HSK Vocabulary with 日

WordPinyinMeaningHSK
生日nounshēng rìbirthday2
日子nounrì ziday4
日记nounrì jìdiary4
节日nounjié rìholiday3
日期nounrì qīdate4
今日nounjīn rìtoday5
纪念日nounjì niàn rìday of commemoration5
日常adjectiverì chángday-to-day4
日历nounrì lìcalendar5
假日nounjià rìa holiday4
日夜nounrì yèday and night6
星期日nounxīng qī rìSunday1
日益adverbrì yìday by day6
日后nounrì hòusometime6
工作日noungōng zuò rìworkday3
日前nounrì qiánthe other day6
日用品nounrì yòng pǐnarticles for daily use5
节假日nounjié jià rìpublic holiday4
近日nounjìn rì(in) the past few days5

Common Compounds

WordPinyinMeaning
日本proper-nounrì běnJapan
末日nounmò rìlast day
周日nounzhōu rì(dialect) weekday
日落nounrì luòsundown
好日子hǎo rì ziauspicious day
日程nounrì chéngschedule
日志nounrì zhìjournal
过日子guò rì zito live one's life
每日adverbměi rìdaily
夏日nounxià rìsummertime
日报nounrì bàodaily newspaper
日语nounrì yǔJapanese language
日出nounrì chūsunrise
明日nounmíng rìtomorrow
尼日利亚ní rì lì yàNigeria
120
Total compounds
43
As first character
53
As last character
5
As middle character

日 appears in 120 compound words: 43 as the first character, 53 as the last, and 5 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with 日 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

月yuè
0.78610,737,585 co-occurrences
本běn
0.5281,045,592 co-occurrences
期qī
0.507661,810 co-occurrences
午wǔ
0.45397,952 co-occurrences
晨chén
0.42842,880 co-occurrences
凌líng
0.42542,966 co-occurrences
售shòu
0.40587,310 co-occurrences
播bō
0.392168,804 co-occurrences
至zhì
0.391311,578 co-occurrences
昔xī
0.37815,658 co-occurrences

Idioms & Chengyu (53)

暗无天日ànwútiānrìHSK 5+

gross lack of justice

phrase
巴吞鲁日BātūnlǔrìHSK 7+

Baton Rouge (a city, the state capital of Louisiana, United States)

白日做梦báirìzuòmèngHSK 4+

to spin daydreams; to indulge in wishful thinking; to build castles in the air

phrase
饱食终日bǎoshízhōngrìHSK 4+

to spend the whole day eating (i.e. not doing any work)

phrase
不可终日bùkě-zhōngrìHSK 3+

in a desperate situation; very frightened; very anxious

phrase
朝日新闻zhāo rì xīn wénHSK 5+

Asahi Shimbun (Japanese newspaper)

phrase
大日如来Dàrì RúláiHSK 3+

Vairocana

度日如年dùrìrúniánHSK 4+

days wear on like years

phrase
风和日丽fēnghérìlìHSK 4+

the bright sunshine and gentle breezes; warm and sunny weather

phrase
风和日暖fēnghérìnuǎnHSK 4+

to have warm sunshine and gentle breezes

phrase
光天化日guāng tiān huà rìHSK 4+

the full light of day (idiom); fig. peace and prosperity; in broad daylight

phrase
国定假日guó dìng jià rìHSK 3+

national holiday

phrase

Showing 12 of 53 idioms containing 日.

Example Sentences

AI-Generated

日本是一个岛国,位于亚洲东部,经济非常发达。

Rìběn shì yí gè dǎoguó, wèiyú Yàzhōu dōngbù, jīngjì fēicháng fādá.

Japan is an island country located in eastern Asia with a very developed economy.

百度新闻Feb 2026

超标近2000倍 日本石川县一处地下水检出高浓度有..

chāo biāo jìn bèi rì běn shí chuān xiàn yī chǔ dì xià shuǐ jiǎn chū gāo nóng dù yǒu . .

Nearly 2,000 times the limit, a groundwater in Ishikawa Prefecture, Japan, was found to have high concentrations of...

百度新闻Feb 2026

“文旅+”业态提质升级,山东新春假日文旅消费场景更..

wén lǚ yè tài tí zhì shēng jí , shān dōng xīn chūn jiǎ rì wén lǚ xiāo fèi chǎng jǐng gēng . .

"Cultural Tourism Plus" Business Models Upgrade Quality, Enhancing Shandong's Spring Festival Holiday Cultural Tourism Experiences...

百度新闻Feb 2026

春节假期首日北京市属公园接待游客20.95万人次,....

chūn jié jiǎ qī shǒu rì běi jīng shì shǔ gōng yuán jiē dāi yóu kè . mò rén cì , . . . .

On the first day of the Spring Festival holiday, Beijing's municipal parks welcomed 209,500 visitors....

百度新闻Feb 2026

注意!静安“马上有礼”第五轮即将开抢,春日焕新消费..

zhù yì ! jìng ān mǎ shǎng yǒu lǐ dì wǔ lún jí jiāng kāi qiāng , chūn rì huàn xīn xiāo fèi . .

Attention! Jing'an's "Instant Rewards" Fifth Round is About to Launch—Spring Refresh Consumption...

Tatoeba

这儿有人说日语吗?

Zhèr yǒu rén shuō Rìyǔ ma?

Does anyone here speak Japanese?

Tatoeba

你是中国人还是日本人?

Nǐ shì Zhōngguórén háishi Rìběnrén?

Are you Chinese or Japanese?

Tatoeba

你为什么来了日本?

Nǐ wèishénme lái le Rìběn?

Why did you come to Japan?

Tatoeba

你记得了你父亲的生日吗?

Nǐ jìde le nǐ fùqin de shēngrì ma?

Did you remember your father's birthday?

Tatoeba

你在日本住多久了?

Nǐ zài Rìběn zhù duōjiǔ le?

How long have you lived in Japan?

Character Family

日 Radical Family — Characters sharing the sun radical

Frequently Asked Questions

What does 日 (rì) mean in Chinese?
日 (rì) primarily means "sun, day." It is classified as HSK Level 1, making it a beginner-level character. It ranks #101 in character frequency.
What's the difference between 日 and 宵?
日 (rì) and 宵 (xiāo) are often confused. antonym. The key distinguishing feature: 日 (day) vs 宵 (night).
How many strokes does 日 have?
日 is written with 4 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 日?
The radical associated with 日 is 日 (sun). This radical appears in many characters related to sun.
What are the components of 日?
日 is composed of: 口 (structural), 一 (structural). Its IDS decomposition is ⿴口一 with a full-surround layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 日?
Common words with 日 include: 生日 (shēng rì, "birthday"); 日子 (rì zi, "day"); 日本 (rì běn, "Japan"); 日记 (rì jì, "diary"); 节日 (jié rì, "holiday"). There are over 120 compound words containing this character.
Is 日 the same in simplified and traditional Chinese?
Yes, 日 is written the same way in both simplified and traditional Chinese.

Practice writing 日 with real-time feedback

Trace stroke sequences, hear spoken pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.