I live in UK. I get up early and start working online before the family are up as far less distractions. I use mailers extensively and have often wondered about the timing of this. My target audience is obviously people who speak english, the biggest of these in any one place is obviously US & Canada. Due to the time difference when I post its still the middle of the night for them. (you) If, like me, online users direct their email to a single google mail account, then will my offers be so far down the list of received mail that few will even see the subject line let alone open the mailing. I know what I do works, but is just because of the 10,000's of emails that I send out daily, or would my open rate be better if I changed when I do the mailings?