Ove possibile, le date sono indicate nel formato AAAA-MM-GG, secondo la norma ISO 8601:2004 «Data elements and interchange formats — Information interchange — Representation of dates and times».
Wherever possible, dates shall be displayed in the format YYYY-MM-DD, according to the ISO standard 8601:2004 ‘Data elements and interchange formats — Information interchange — Representation of dates and times’.