The updated Fall 2020 ACT National test schedule:
September:
Saturday: Sept 12th (existing)
Sunday: Sept 13th (non-Saturday, existing)
Saturday: Sept 19th (NEW)
October:
Saturday: October 10th (NEW)
Saturday: October 17th (NEW)
Saturday: October 24th (existing)
Sunday: October 25th (non-Saturday, exisitng)
December:
Saturday: December 12th (existing)