In Catalonia, it is known as La Diada de Sant Jordi (Saint George's Day), El dia de la Rosa (The Day of the Rose) or El dia del Llibre (The Day of the Book).
As well, as the better know red rose, the blue rose has also become popular, and it is usually given to friends since they symbolise trust. Pink roses are given to thank someone for an important favour. Purple roses symbolise nobility, femininity and seduction, whilst white roses symbolise purity and innocence. Yellow roses are a little less common, they symbolise joy and happiness, and so are usually given to teenagers.
All around Barcelona, book and flower stalls pop up overnight and by the end of the day, over 4 millions roses and almost 1 million books will have been sold and gifted onwards.
The national dance of Catalonia, the Sardana, is performed throughout the day in the Plaça Sant Jaume and book stores and cafes host readings by authors.
The atmosphere in Barcelona is always great, on this day it is fantastic.