Email Timing: The Best Day to Send Email According to research by CoSchedule, for maximum inbox deliverability and open rates, you should prioritise your send days in this order: Tuesday: This is hands down the #1 best day to send emails, according to the majority of the data from these studies. Thursday: If you send two emails a week, choose Thursday for your second day. Wednesday: While no single study showed that Wednesday was the most popular, it came in second place several times.
