Now, let's see. GMT? Not Grand Mountain Time. Not General Motors Time. Oh yes, Greenwich Mean Time. Is that four or five hours ahead of us? Daylight Saving or Standard Time? What about British Summer Time? Thank goodness for the internet: https://greenwichmeantime.com/
Oh wait a minute. I'll be at work. Take a day off? Nah, I'm a bit low on the old PTO. Instead, I'll be "in teleconference" for a couple of hours with my office door closed. The roar of naval gunnery will be explained later as a defective monitor speaker.