What is the best time of day or day of the week to send an email?
Timing an email requires data. You won't know exactly when to 'hit send' at first. After a couple of weeks of observing your website/email analytics, you'll begin to see a pattern.
In the meantime, you can use KISSmetrics latest data compiled on email marketing best practices. It shows that mornings and/or weekends tend to get the most interaction.
