Blue Monday (date) the melancholic mind-set of "Blue Monday"". The date is generally reported as falling on the third Monday in January, but also on the second or fourth Monday, or the Monday of the last full week of January. The first such date declared was 24 January in 2005 as part of a Sky Travel press release. The formula uses many factors, including: weather conditions, debt level (the difference between debt accumulated and our ability to pay), time since Christmas, time since failing our new year’s resolutions, low motivational levels and feeling of a need to take action. One equation used by
Cyber Monday 8-day period ("Cyber Monday week") beginning on the Monday before Thanksgiving. In the Netherlands, the term Cyber Monday was first used in 2012. Since then, Dutch online retailers have taken advantage of Cyber Monday in promotional purposes, because it is perfectly timed before the celebration of Sinterklaas which is celebrated by buying gifts for each other in Netherlands. Since 2012, the popularity of Cyber Monday has grown strongly every year in the Netherlands. In total there were 105 participating online stores during the Cyber Monday period of 2017. In Portugal, the term Cyber Monday was first used in 2009. In