Recurring countdown
How many days until Monday?
Monday is the first working day of the week for many people and returns every seven days.
Target date
Monday 13 Apr
Year
2026
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Monday Facts
Historical curiosities
Monday has lunar roots in a remarkable number of languages.
Monday comes from the Old English Mōnandæg, meaning the Moon's day.
Records and stats
Modern Monday still has a reputation all its own.
The so-called Monday Effect refers to the long-observed tendency for stock market returns to be weaker on Monday than on the preceding Friday.
Cultural quirks
Monday has become the symbolic villain of the workweek.
Blue Monday, often placed on the third Monday in January, became famous as the so-called most depressing day of the year despite being based on pseudo-science.
Planning tools
Use our calculators to work out exact date differences, business days, or add and subtract dates around this event.