Three timeslots were studied: T1, 8 am to 12 pm; T2, 12 pm to 4 pm; T3, 4 pm to 8 pm GMT time zone -3 covering from morning to sunset.
Quedaron conformadas tres franjas horarias para este estudio F1: 8-12 h; F2: 12-16 h; F3:16-20 h huso horario GMT -3 cubriendo desde la mañana hasta la caída del sol atardecer.