🌐EnglishEnglishEspañolFrançaisItalianoNederlandsPolskiРусскийالعربيةفارسی中文EntityQ1191221· pop 19· linked from 8 articlesBlue Mondaythe day that the Sky Travel company considers to be the unluckiest day of the year; a marketing gimmickConnectionsCanary IslandsEntityNorthern HemisphereEntityCategories2000s neologismsHolidays and observances by scheduling (nth weekday of the month)January observancesMondayPseudoscienceUnofficial observances