Compounds of 日

• 今日明日
  (n) today and tomorrow
  today or tomorrow
  in a day or two
• 在りし日
  (n-t) (1) days of yore
  the olden days
  (2) during one's lifetime
  (P)
• 在院日数
  (n) number of days spent in hospital
• 在日米軍
  (n) US Forces, Japan
• 作成日時
  (n) (comp) creation-time
• 昨日今日
  (n) (1) yesterday and today
  (2) (something that happened) only yesterday (just recently)
• 三日月形
  (adj-no) crescent shape
• 三日月湖
  (n) oxbow lake
  billabong
• 三日月眉
  (n) arched eyebrows
• 三日三晩
  (exp) 3 days and 3 nights
• 三日三夜
  (exp) 3 days and 3 nights
• 三日酔い
  (n) (col) hangover (that still lingers two days after drinking)
• 三日天下
  (n) short-lived rule
  being in power only for a brief period
  brief championship
• 三日天下
  (n) short-lived rule
  being in power only for a brief period
  brief championship
• 三日坊主
  (n) one who can stick to nothing
  unsteady worker
• 三日麻疹
  (n) (col) rubella
  German measles
  three day measles
• 散歩日和
  (n) ideal weather for a walk
• 残存日数
  (n) days remaining
  days until maturity
• 四十九日
  (n) forty-ninth day after a person's death
• 子供の日
  (n) Children's Day (national holiday; May 5th)
• 支払い日
  (n) payday
  date of payment
• 事前日付
  (n,adj-no) antedating
• 就業日数
  (n) days worked
• 秋霜烈日
  (n) harshness
  severity
• 秋分の日
  (n) autumn equinox holiday (Sep 23 or 24)
  fall equinox holiday
• 秋立つ日
  (n) first day (beginning) of autumn
  first day of fall
• 十日の菊
  (n) coming too late
• 十年一日
  (n) without intermission for ten (long) years
  with constancy of purpose for ten (long) years
  in the same old rut for years on end
• 十年一日
  (n) without intermission for ten (long) years
  with constancy of purpose for ten (long) years
  in the same old rut for years on end
• 出席日数
  (n) number of days (times) one has attended