noun
Friday, Saturday and Sunday
Commonly used in schedules, event announcements, or travel plans to refer to a three-day period from Friday to Sunday.
今週の金土日は連休です。
This Friday, Saturday, and Sunday are consecutive holidays.
金土日の3日間、特別セールを開催します。
We're holding a special sale for the three days of Friday, Saturday, and Sunday.
Similar abbreviation pattern for Monday, Tuesday, Wednesday.
Abbreviation formed by combining the first kanji of 金曜日 (Friday), 土曜日 (Saturday), and 日曜日 (Sunday).