| 4 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 4 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 26 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 18 | A New Dictionary of Kanji Usage |
| 1025 | Classic Nelson (Andrew Nelson) |
| 6 | Essential Kanji (P.G. O’Neill) |
| 35 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 188 | Japanese Names (P.G. O’Neill) |
| 1.A | Japanese for Busy People |
| 6 | Kanji and Kana (Spahn and Hadamitzky) |
| 6 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 4 | Kanji in Context (Nishiguchi and Kono) |
| 335 | Kodansha Compact Kanji Guide |
| 3778 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1928 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2620 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 4 | Les Kanjis dans la tete (Yves Maniette) |
| 4682 | Morohashi |
| 3044 | New Japanese English Character Dictionary (Jack Halpern) |
| 938 | New Nelson (John Haig) |
| 4 | Remembering The Kanji (James Heisig) |
| 4 | Remembering The Kanji, 6th edition (James Heisig) |
| 114 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 37 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 1
JLPT level N5
47 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 四 【シ】 four, 4
- ４月 【シガツ】 April, fourth month in the lunar calendar
- 十四 【ジュウシ】 fourteen, 14
- 炭素１４ 【タンソジュウシ】 carbon-14
Kun reading compounds
- 四 【し】 four, 4
- 四畳半 【よじょうはん】 four and a half tatami mats, four-and-a-half-mat room, small room esp. for assignations
- 四つ 【よっつ】 four, 4, four years of age, ten o'clock (in the old time system), burakumin, cross grips
- 四つ角 【よつかど】 four corners, crossroads, intersecting street, street corner
- 四つ 【よっつ】 four, 4, four years of age, ten o'clock (in the old time system), burakumin, cross grips
- 四つの自由 【よっつのじゆう】 the Four Freedoms (as defined by Franklin D. Roosevelt: freedom of speech, freedom of worship, freedom from want, freedom from fear)
- 四 【し】 four, 4
- ４０ 【よんじゅう】 forty, 40
- 十四 【じゅうし】 fourteen, 14
- 軽四 【けいよん】 four-wheeled light vehicle
Readings
- Japanese names:
- あ、 つ、 よつ
- Korean:
- sa
Spanish
- cuatro
- 4
Portuguese
- quatro
French
- quatre
| 3675 | 2001 Kanji |
| 3s2.2 | The Kanji Dictionary |
| 3-3-2 | SKIP code |
| 4-5-1 | SKIP code |
| 6021.0 | Four corner code |
| 1-27-45 | JIS X 0208-1997 kuten code |
| 56db | Unicode hex code |
日
Jōyō kanji, taught in grade 1
JLPT level N5
1 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 日 【ニチ】 Sunday, nth day (of the month), counter for days, Japan
- 日時 【ニチジ】 date and time (of a meeting, departure, etc.), days and hours
- 抗日 【コウニチ】 resistance against Japanese aggression, anti-Japanese (campaign, movement, etc.)
- 在日 【ザイニチ】 resident in Japan (of a foreigner), situated in Japan (e.g. of an embassy), Zainichi, Zainichi Korean, North or South Korean national with permanent residency in Japan (who came to the country before 1945, or a descendant of such a person)
- 日月 【ジツゲツ】 sun and moon, time, days and months, years, Sunday and Monday
- 日外 【ジツガイ】 at one time, some time ago, once
- 両日 【リョウジツ】 both days, two days
- 三十日 【ミソカ】 last day of the month
Kun reading compounds
- 日 【ひ】 day, days, sun, sunshine, sunlight, (the) day, daytime, daylight, date, deadline, (past) days, time (e.g. of one's childhood), case (esp. unfortunate), event
- 日陰 【ひかげ】 shade, shadow, sunshine, sunlight
- 在りし日 【ありしひ】 past days, bygone days, days of yore, the olden days, while still alive, during one's lifetime
- あくる日 【あくるひ】 next day, following day
Readings
- Japanese names:
- あ、 あき、 いる、 く、 くさ、 こう、 す、 たち、 に、 にっ、 につ、 へ
- Korean:
- il
Spanish
- día
- solar
- Japón
- sol
- rayo de sol
Portuguese
- dia
- sol
- Japão
French
- jour
- soleil
- Japon
- compteur de jours
| 11 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 13 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 62 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1 | A New Dictionary of Kanji Usage |
| 2097 | Classic Nelson (Andrew Nelson) |
| 5 | Essential Kanji (P.G. O’Neill) |
| 56 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 77 | Japanese Names (P.G. O’Neill) |
| 1.A | Japanese for Busy People |
| 5 | Kanji and Kana (Spahn and Hadamitzky) |
| 5 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 16 | Kanji in Context (Nishiguchi and Kono) |
| 963 | Kodansha Compact Kanji Guide |
| 3759 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1915 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2606 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 12 | Les Kanjis dans la tete (Yves Maniette) |
| 13733 | Morohashi |
| 3027 | New Japanese English Character Dictionary (Jack Halpern) |
| 2410 | New Nelson (John Haig) |
| 12 | Remembering The Kanji (James Heisig) |
| 12 | Remembering The Kanji, 6th edition (James Heisig) |
| 3 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 33 | Tuttle Kanji Cards (Alexander Kask) |
| 3878 | 2001 Kanji |
| 4c0.1 | The Kanji Dictionary |
| 3-3-1 | SKIP code |
| 4-4-1 | SKIP code |
| 6010.0 | Four corner code |
| 1-38-92 | JIS X 0208-1997 kuten code |
| 65e5 | Unicode hex code |