We use cookies to make your visit to our website even more attractive. With the help of cookies, we (possibly in collaboration with third parties) can improve the comfort and quality of the services on the website. By using our services, you agree that we place cookies. More information can be found in our statement on data protection.
Blue Monday, according to British psychologist Cliff Arnall, the most depressing day of the year. Using a calculation with a mathematical formula devised by Arnall; ([W +...
Our Website and Cookies
To improve your browsing experience, we personalize content and ads, provide social media features, and analyze our traffic. Additionally, we share information about how you use our site with our social media, advertising, and analytics partners.
If you agree, click 'accept'. You can change your cookie preferences here change. If you choose reject, we will only place necessary and analytical cookies. For more details, see our privacy statement.
