"Wishing you a magnificent Monday" is an English expression that conveys warm and positive wishes for someone on the first day of the workweek, which is Monday. It's a way to start the week on an optimistic note, expressing the hope that the individual has an excellent and splendid Monday ahead. This phrase is often used to provide encouragement and motivation, setting a positive tone for the beginning of the week. It's a friendly and uplifting way to wish someone well at the start of their workweek.

Do you like to wish good morning to your friends? You can wish happy Monday to family, friends, boyfriend or girlfriend and loved ones.
Monday is the first day of the week within the Gregorian calendar, in addition to the working week, it is also the first. He goes after Sunday and follows Tuesday.