1.
Friday
The last day of the typical work week. The kanji 金 means 'gold/metal' and relates to Venus (the 'metal planet' in East Asian tradition).
金曜日 is Friday, the fifth day of the week.
ORIGIN:
金 (gold/metal) corresponds to the planet Venus in East Asian tradition. Each day of the week is associated with a celestial body.
ABBREVIATION:
金曜 or just 金 in schedules.
CULTURE:
金曜日の夜 (Friday night) is associated with after-work socializing in Japanese work culture. プレミアムフライデー was a campaign encouraging early departure on the last Friday of each month.
DAYS OF THE WEEK:
日・月・火・水・木・金・土
(Sun・Mon・Tue・Wed・Thu・Fri・Sat)