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The portable way to extract date and time from a file's mtime in C++
https://sandordargo.com/blog/2026/07/22/extracting-datetime-from-mtime

https://redd.it/1v4w4h3
@r_cpp
Sandor Dargo’s Blog The Portable Way to Extract Date and Time from a File’s mtime in C++ After I finished my Time in C++ series, a reader asked a seemingly simple question: “What is the portable way to extract the year, month, day, hour, minute, and second from a file’s modification time? I tried, and I couldn’t get it to work reliably on macOS…
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