The Meaning of futsuka [二日] In Japanese

二日
ふつか
Romaji: futsuka N5

What does 二日 mean?

Translation and Meaning

the second day, two days

Definition

What does 二日 mean? It denotes either a two-day period or the second day of a month, commonly read futsuka in everyday Japanese, and is used for counting days as well as identifying calendar dates.

Type

Noun (日-counter for days)

Stroke Order

Meanings

  • Two-day duration
  • The second day of the month
  • In compounds and set phrases marks order or repetition across days (futsukame is the second day)

Etymology

Futsuka arises from the native kun-reading of 二日, formed by futa meaning two and a contextual suffix ka that marks a calendar day; early Japanese counted days with irregular readings for the 1st through 10th, and that pattern stabilized into futsuka for the second day and for two-day spans in everyday speech; on-yomi forms such as nijitsu appear only in rare Sino-Japanese compounds and are not used for standard day counting.

Origin

Origin: The naming of the second day and short-duration counts developed within classical Japanese calendar practices; irregular day-readings for the 1st–10th days persisted into the Edo period and remain part of modern usage, reflected in futsuka as the standard reading for 二日 when referring to days or dates.

Composition

  • 二 — two
  • 日 — day; when combined with the kun-reading suffix -ka, forms futsuka, the day-number reading

Usage

Usage: In casual conversation, futsuka denotes either two days or the 2nd day of a period; in formal writing or scheduling, the same forms appear with compounds like 二日間 and 二日目, with 間 indicating duration and 目 indicating sequence; when used as a standalone date, it refers to the calendar day rather than a duration.
💡 Tips
Mnemonic: imagine two 日 characters side by side to cue futsuka, then remember that -ka marks a calendar day or day-count; link futa (two) with ka (day) to recall the reading.

Variations

  • ふつか (futsuka) — common reading
  • 二日間 (ふつかかん) — futsuka-kan
  • 二日目 (ふつかめ) — futsuka-me
  • はつか (hatsuka) — 20th day (related day-counting)

Example Phrases

  • 二日ぶりに 友達と 会って 昼ごはんを 食べた。
    futsuka-buri ni tomodachi to atte hirugohan o tabeta.
    I met a friend for lunch for the first time in two days.
    Lista:
    • 二日ぶりに (futsuka-buri ni) – after two days
    • 友達と (tomodachi to) – with a friend
    • 会って (atte) – meet
    • 昼ごはんを (hirugohan o) – lunch
    • 食べた (tabeta) – ate
    Use 「二日ぶりに」 to express ‘it’s been two days since’ the last time; ぶり indicates duration since the previous event, and に marks the timing of the following action.
二日