Wednesday and Thursday have the highest contact rates — Thursday is 49.7% better than Tuesday.
→ MIT / InsideSales.com Lead Response Study (15,000 leads, 100,000 call attempts)4:00–6:00 PM is the best window to reach someone → 114% better than the worst time slot.
→ MIT / InsideSales.com (same study)Best days to call:
Mon
Tue
Wed
Thu
Fri
Best time to call:
8–9 AM9–1212–2 PM2–4 PM4–6 PM
Skip Monday. Skip Friday afternoon.
Your best shot is Wednesday or Thursday between 4 and 6 PM → that's when people are winding down, off work, and most likely to answer.