Understanding the days of the week is fundamental when learning Japanese. Today we will look at (kinyoubi)「金曜日」, or "Friday", a word that is always welcome after a long and tiring week.
「やっと 金曜日 だ!」
"It's finally Friday!"
The meaning of kinyoubi 「金曜日」
Each day of the week in Japanese carries a unique charm, reflected in the meanings of their first kanji. These kanji often represent natural elements or celestial bodies, adding a deeper cultural significance to the days and also providing keys to better remembering them.
「金曜日」, "Friday," is the day associated with 金 (gold), and the celestial body Friday is from is Venus 「金星」(kinsei).

Sun

Moon

Mars

Mercury

Jupiter

Venus

Saturn
For a deeper dive into the meanings behind the days of the week, click here.
Kanji breakdown 金曜日
金
Gold; Money; Friday
曜日
day of the week
金曜日
Friday
The term 曜日 (youbi) means "day of the week" and is used for all days. When combined with 金 (kin), you get Friday!
Example sentences
今日は 金曜日 です!
Today is Friday!
金曜日の 夜に 映画を 見ましょう。
Let’s watch a movie on Friday night.
金曜日は 友達と 公園に 行きます。
On Fridays, I go to the park with my friends.
Fun Facts
Friday the 13th
In Japan, Friday the 13th, 「13日の 金曜日」 (13-nichi no kinyoubi) is considered an "unlucky day", just like in the West. Younger people may joke about. It's more of a fun superstition for them too, especially with horror movie fans. Older generations may not quite understand the reference.
「今日は 13日の 金曜日、不吉 だね」
"Today’s Friday the 13th, spooky, huh?"
「花金」(hanakin)
In Japanese there is a commonly used word 「花金」 which means "Happy Friday!".
今日 花金だから 飲に 行こう!」
"Since it's Friday, let's grab a drink!"