日
| Level 4 vocabulary | ||
| 五日 | (n) five days/ the fifth day (of the month)/ (P) | |
| 昨日 | (n-adv,n-t) yesterday/ (P) | |
| 今日 | (n-t) today/ this day/ (P) | |
| 九日 | nine days/ the ninth day (of the month)/ (P) | |
| 今日 | (n-t) today/ this day/ (P) | |
| 一日 | (n) (1) first of month/ (P) | |
| 十日 | ten days/ the tenth (day of the month)/ (P) | |
| 七日 | (n-adv) seven days/ the seventh day (of the month)/ (P) | |
| 二十日 | (n) twenty days/ twentieth (day of the month)/ (P) | |
| 二日 | (n) second day of the month/ two days/ (P) | |
| 三日 | (n) three days/ the third day (of the month)/ (P) | |
| 六日 | six days/ sixth (day of month)/ (P) | |
| 八日 | (n) eight days/ the eighth (day of the month)/ (P) | |
| 四日 | (n) (1) 4th day of month/ (2) four days/ (P) | |
| Level 3 vocabulary | ||
| 明日 | (n-t) tomorrow/ (P) | |
| 明日 | (n-t) tomorrow/ (P) | |
| 日記 | (n) diary/ journal/ (P) | |
| 日 | (n-adv,n-t) sun/ sunshine/ day/ (P) | |
| Level 2 vocabulary | ||
| 一昨日 | (n-adv,n-t) day before yesterday/ (P) | |
| 元日 | (n) New Year's Day/ (P) | |
| 祭日 | (n) national holiday/ festival day/ (P) | |
| 祝日 | (n) national holiday/ (P) | |
| 生年月日 | (n) birth date/ (P) | |
| 先日 | (n-adv,n-t) the other day/ a few days ago/ (P) | |
| 月日 | (n) time/ years/ days/ (P) | |
| 定休日 | (n) regular holiday/ (P) | |
| 当日 | (n-adv,n-t) appointed day/ very day/ (P) | |
| 日時 | (n) date and time/ (P) | |
| 日常 | (adj-no,n-adv,n-t) ordinary/ regular/ everyday/ usual/ (P) | |
| 日夜 | (n-adv,n) day and night/ always | |
| 日用品 | (n) daily necessities/ (P) | |
| 日課 | (n) daily lesson/ daily work/ daily routine/ (P) | |
| 日光 | (n) sunlight/ (P) | |
| 日中 | (n-adv,n-t) (1) daytime/ during the day/ (2) Sino-Japanese/ (P) | |
| 日程 | (n) agenda/ (P) | |
| 日本 | Japan/ (P) | |
| 日当 | (io) (n) exposure to the sun/ sunny place | |
| 日帰り | (n) day trip/ (P) | |
| 日陰 | (n) shadow/ (P) | |
| 日付 | (n) date/ dating/ (P) | |
| 日の入り | (n) sunset/ (P) | |
| 日の出 | (n) sunrise/ (P) | |
| 平日 | (n-adv,n) weekday/ ordinary days/ (P) | |
| 三日月 | (n) new moon/ crescent moon/ (P) | |
| 明後日 | (n-adv,n-t) day after tomorrow/ (P) | |
| 夕日 | (n) (in) the evening sun/ setting sun/ (P) | |
| 曜日 | (n) day of the week/ (P) | |
| 来日 | (n) arrival in Japan/ coming to Japan/ visit to Japan/ (P) | |
| Level 1 vocabulary | ||
| 期日 | (n) fixed date/ settlement date/ (P) | |
| 終日 | (n-adv,n-t) all day/ (P) | |
| 西日 | (n) westering sun/ (P) | |
| 日頃 | (n-adv,n-t) normally/ habitually | |
| 日向 | (n) sunny place/ in the sun/ (P) | |
| 日の丸 | (n) the Japanese flag/ (P) | |
| 日焼け | (n) sunburn/ (P) | |
| 連日 | (n-adv,n-t) every day/ prolonged/ (P) | |