Saint Gregory 2017 - Arenales de San Gregorio - Friday, May 5 Friday, May 5↕ Saturday, May 6 Sunday, May 7 Monday, May 8 Tuesday, May 9 Sunday, May 14 Sunday, May 28 22:00 Institutional events. 22:30 Brass bands and Passacaglia. 23:00 Announcement. 00:00 Fireworks. 00:30 Open-air dances. Sat., May. 6> You can find out more on Fiestas.Net