The best time to send an email does not remain static, but instead is changeable and particularly dependent on industry. Do not generalise your recipients, instead look at their habits to send at optimal times for open rates.
5pm to 6pm is now the ultimate time to launch email marketing campaigns
Marketers should avoid the pitfall of sending emails in the early hours of the morning to ensure they are top of people’s inboxes when they arrive in the office. Our research shows that only 4% of emails sent between midnight and 7am then go on to be opened.