Ah, work emails! It's the weekend and the last thing you want to do is send an email. Bad news, then!
Apparently, the best time to send an email is Sunday afternoon, between 3pm and 6pm.
According to a study of 8.7 million emails, Axios HQ found that emails sent during "low-competition times" like Sunday afternoon had a 94% chance of being opened, compared to 50 to 76% for opened during the rest of the week.
However we are totally against sending an email on Sunday. Why not enjoy your free time? What's more, it doesn't show much professionalism to email people outside of business hours and wait for a response.
In other words, Sundays are holy. Stay away from emails.