Synonym Nuance VS
How to say "Day" in Japanese
Both words can translate to "day", but which should you choose?
Japanese Option A
曜日
ようび (youbi)
N5 / CEFR Syllabus
VS
Japanese Option B
一昨日
おととい (ototoi)
N4 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "day" into Japanese, you must choose carefully between 曜日 and 一昨日.
In Japanese, 曜日 (ようび (youbi)) is typically associated with "day of the week" (Syllabus Level: N5) and represents Used to ask or state which day of the week it is.
On the other hand, 一昨日 (おととい (ototoi)) maps to "the day before yesterday" (Syllabus Level: N4) and represents Refers to the day two days ago. Used for recent past events. Sometimes pronounced 'issakujitsu' in more formal contexts, but 'ototoi' is common for N4.. A literal translation of "day" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "曜日"
今日は何曜日ですか。
What day of the week is it today?
Bilingual Context for "一昨日"
一昨日、図書館で本を借りました。
I borrowed a book from the library the day before yesterday.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "今日は何 ＿＿＿ ですか。" (Meaning: "What day of the week is it today?")
🎉 Correct Answer!
Remember: "曜日" fits here because it means "day of the week" in the context of: "What day of the week is it today?". "一昨日" represents "the day before yesterday".