Translation guide
The time of day around 12:00 PM. Japanese has several common words for noon, with different nuances and uses.
Referring to the specific clock time of noon
Referring to the middle of the day, not necessarily exactly 12:00
The most common word for midday. Used in phrases like 昼ごはん (lunch) and 昼休み (lunch break).
Referring to the time when people eat lunch
Polite and common way to refer to lunch or lunchtime. Often used in invitations or when talking about meals.
正午 is precise (12:00 PM), while 昼 is more flexible and can mean midday or lunchtime. Use 正午 for schedules and formal contexts; use 昼 in casual conversation.
The meeting starts at noon.
Commonly used in everyday speech to mean noon or midday, but can also refer to the broader daytime period. Often used in compounds.
昼にまた電話します。
I'll call you again at noon.
昼ごはんを食べましょう。
Let's eat lunch.
彼は昼寝をしている。
He is taking a nap.
Emphasizes the middle of the day, often with a nuance of brightness or heat. More literary or emphatic than 昼.
真昼の太陽が照りつける。
The midday sun beats down.
お昼にしませんか。
Shall we have lunch?
Specifically refers to the lunchtime period, often used in contexts like restaurant hours.
この店は昼時は混みます。
This restaurant gets crowded at lunchtime.