• pedz@lemmy.ca
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    8 days ago

    Yeah, as in, if you take a quarter of an hour (15 minutes) from 10, it’s 9:45.

    They also use minus ten, minus twenty or even minus twenty-five.

    Ten hours minus twenty-five is 9:35.

    Ten hours minus twenty is 9:40.

    Ten hours minus (a/the) quarter is 9:45.

    Ten hours minus ten is 9:50.

    I find it confusing and never got used to this system. It feels old fashioned and it’s not even faster to say. But it’s still pretty common while being informal.