Customer: “Hi, you guys were supposed to send me an email, and I haven’t gotten it yet.”

Me: “Okay, I see we sent that email at 3:05 p.m. Eastern Standard Time. Can you confirm your email address is [email address]?”

Customer: “Yes, that’s it. What time did you send it?”

Me: “3:05 p.m. Eastern Time.”

Customer: “Oh, okay that’s why. I’m in Central Time, so it’ll take an hour to get here. Thanks!”

Related:
No Fortitude For Longitude
No Aptitude For Latitude