Okay dokay, thank you Madridman, here we go with the dates as they are stated on the
www.sevilla.org page (bit of bumpy English from the on-line translator - thank you again to someone who posted this fabulous link, translating made easy!):
The Fair of April of the year 2002 begins the Tuesday 16 from April at 00 o'clock hours with the "test of the alumbrao" and finishes Sunday 21 at 24 o'clock hours with the lanzamiento of artificial fires.
Palice