The word 'itsuka' is a special reading for the fifth day of the month or a five-day duration.
Word in 30 Seconds
- Refers to the fifth day of the month.
- Used to express a duration of five days.
- Read as 'itsuka' in Japanese.
概要
「五日(いつか)」は、日本語の数え方の中でも特に注意が必要な「和語(大和言葉)」による日付表現の一つです。1日から10日までは特殊な読み方をするため、日本語学習者が最初に覚えるべき重要な語彙です。2) 使用パターン: 日付として使う場合は「五月五日(ごがついつか)」のように、月の名前の後に置きます。期間として使う場合は「五日間(いつかかん)」と表現します。3) 一般的な文脈: 毎月の5日、または5日間の期間を指す際に日常的に使われます。給料日やイベントの日など、カレンダー上の日付を指す際に最も頻繁に登場します。4) 類似語との比較: 「五日」は和語ですが、「5日(ごにち)」という読み方は存在しません。日付を指す際は必ず「いつか」と読み、期間を指す際は「いつかかん」と読みます。数字の「5(ご)」と混同しないように注意が必要です。
Examples
五日に友達と会います。
everydayI will meet my friend on the 5th.
提出期限は五日です。
formalThe deadline is the 5th.
あと五日で夏休みだ。
informalSummer vacation is in five days.
五日間の研修を受ける。
academicI will take a five-day training course.
Common Collocations
Common Phrases
五日目
the fifth day
五日後
five days later
五日ぶり
for the first time in five days
Often Confused With
There is no 'go-nichi' in standard Japanese. Always use 'itsuka'.
Grammar Patterns
How to Use It
Usage Notes
The word 'itsuka' is used for both dates and durations. It is a fundamental word in daily Japanese. Always remember that the reading is irregular compared to simple numbers.
Common Mistakes
Learners often try to read it as 'go-nichi' based on the number 5. This is incorrect. Another mistake is forgetting the 'kan' when expressing a duration.
Tips
Memorize the special readings for dates
The first ten days of the month have unique names. Practicing them as a set will help you master calendar dates quickly.
Do not use 'go-nichi'
Never say 'go-nichi' for the fifth day. Always use 'itsuka' to sound natural.
Traditional Japanese counting system
These irregular date readings are remnants of the ancient Japanese counting system. They are deeply embedded in daily life.
Word Origin
Derived from the ancient Japanese counting system for the first ten days of the month. These terms have been used for centuries.
Cultural Context
The first ten days of the month are unique in Japanese culture, reflecting historical time-keeping methods. Mastering these is a sign of basic proficiency.
Memory Tip
Think of 'Itsuka' as 'It's a (day)'. Five is the day!
Frequently Asked Questions
4 questionsいいえ、「ごにち」とは読みません。必ず「いつか」と読みます。
「いつかかん」と読みます。期間を表す場合は「かん」を付けます。
はい、1日から10日までは特殊な読み方をします。例えば、1日は「ついたち」、2日は「ふつか」となります。
毎月の5日を指す時や、5日間という期間を指す時に使います。日常会話で非常に頻繁に使用されます。
Test Yourself
今月は___に旅行に行きます。
日付の5日は「いつか」と読みます。
彼は___日本に滞在しました。
期間は「いつか」に「かん」を付けて表現します。
(五日 / 帰ります / に / 私は)
日本語の語順は「主語+時間+動詞」が基本です。
Score: /3
Summary
The word 'itsuka' is a special reading for the fifth day of the month or a five-day duration.
- Refers to the fifth day of the month.
- Used to express a duration of five days.
- Read as 'itsuka' in Japanese.
Memorize the special readings for dates
The first ten days of the month have unique names. Practicing them as a set will help you master calendar dates quickly.
Do not use 'go-nichi'
Never say 'go-nichi' for the fifth day. Always use 'itsuka' to sound natural.
Traditional Japanese counting system
These irregular date readings are remnants of the ancient Japanese counting system. They are deeply embedded in daily life.
Examples
4 of 4五日に友達と会います。
I will meet my friend on the 5th.
提出期限は五日です。
The deadline is the 5th.
あと五日で夏休みだ。
Summer vacation is in five days.
五日間の研修を受ける。
I will take a five-day training course.
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A2after
目覚まし
B1Alarm clock. A clock that makes a noise to wake someone up.
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B1An alarm clock.
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B1Even though; despite (particle/conjunction).
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A2Morning (a.m.).
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B1Noisy; annoying.