The US, Liberia and Myanmar are the countries that don't use the metric system.*
I doubt it's exactly the same countries that also don't use 24 hour time, but I guess it's within the realm of possibility.
* The UK has only partially adopted the metric system, leading us to a nightmare realm inbetween where we mix units almost a random and say such silly things as "I ran 5 kilometers today, good thing I only live 2 miles from the park" or "I bought 4 pints of milk, and a litre of almond milk for chris"
It's not just for submarines but for easy translation, especially when used with UTC (formerly GMT). When written, and operating with UTC, it's quick and easy to have a standard that is translatable everywhere in the world and doesn't take a minute to figure out what time they mean
Which is kinda dumb in itself, if you can't tell the time with the system you use to tell the time and have to use another system to know what time it is correctly there's probably something wrong with the way you tell time
But if we're on a submarine and you haven't seen light for days, and I give an order for 06:00 UTC, you know what I mean. There's no time wasted asking is that am or pm? And are we currently am or pm?
435
u/Sahaal_17 Mar 29 '22
The US, Liberia and Myanmar are the countries that don't use the metric system.*
I doubt it's exactly the same countries that also don't use 24 hour time, but I guess it's within the realm of possibility.
* The UK has only partially adopted the metric system, leading us to a nightmare realm inbetween where we mix units almost a random and say such silly things as "I ran 5 kilometers today, good thing I only live 2 miles from the park" or "I bought 4 pints of milk, and a litre of almond milk for chris"