• namingthingsiseasy@programming.dev
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    10 months ago

    I’m not sure I would agree with that. ISO-8601 is ambiguous, and very difficult to parse. For example, here are a couple valid ISO-8601 strings. Could you let me know what they mean?

    P1DT1H
    R10/2021-208/P1Y
    T22.3+0800
    22,3
    2021-W30-2
    2021-W30-2T22+08
    P1Y
    20
    

    Taken from here. My favorite is the last one (20). If someone just wrote 20 and told you to parse it using ISO-8601, what would you get? Hour? It could even be century (ie. 2023%100)!!

    So I would argue that ISO-8601 is just a wee bit too flexible. Personally, I like RFC 3339 just a bit more…

    Edit: that said, I would definitely agree that something along the lines of 2021-07-27T14:20:32Z is better than any regularly accepted alternative, and I pretty much format my dates that way all the time.