For Blue Monday, Saatchi & Saatchi and Solgar are distributing massive light-emitting billboards throughout the UK.

With the help of a "fleet" of "sunlight-inspired light emitting billboards," Saatchi & Saatchi and supplement manufacturer Solgar

The billboards will resemble enormous SAD lamps not just in appearance but also in operation due to the light they release.

So, from 4 to 8 p.m., onlookers are encouraged to soak up the billboards' purported rays.

The screens will be situated at Piccadilly Gardens and Printworks in Manchester and Corporation Street, High Street in Birmingham.

A tourism business came up with the idea of "Blue Monday" about two decades ago.

Seasonal affective disorder, or SAD, is a form of depression that changes with the seasons.