Blue Monday (date)
Supposed saddest day of the year
Why this is trending
Interest in “Blue Monday (date)” spiked on Wikipedia on 2026-06-03.
Sudden spikes in Wikipedia readership generally point to a newsworthy event or emerging public conversation that piques widespread curiosity.
At GlyphSignal we surface these trending signals every day—transforming Wikipedia’s vast pageview data into actionable insights about global curiosity.
Key Takeaways
- Blue Monday is a day in January (typically the third Monday of the month) which is said by UK travel agency Sky Travel to be the most depressing day of the year.
- The day was given its name by former Cardiff University health psychologist Cliff Arnall in 2005.
- Some have dismissed the idea as pseudoscience.
- Date The date is generally reported as falling on the third Monday in January, but also on the second or fourth Monday.
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Source summary
WikipediaBlue Monday is a day in January (typically the third Monday of the month) which is said by UK travel agency Sky Travel to be the most depressing day of the year. It takes into account weather conditions and thus only applies to the Northern Hemisphere temperate zones. The day was given its name by former Cardiff University health psychologist Cliff Arnall in 2005. Arnall is a member of The British Psychological Society (BPS).
Some have dismissed the idea as pseudoscience.
Mental health advocacy groups, including the Samaritans and Mind, have used Blue Monday to facilitate talk about mental health.
Content sourced from Wikipedia under CC BY-SA 4.0