Re: Why is time_t defined as a 32-bit type on Windows?

[Kagamin via Digitalmars-d-learn]

Because it's used with C `time` function 
https://github.com/dlang/druntime/blob/master/src/core/stdc/time.d#L37 which is provided by msvcrt as 32-bit function. 64-bit variant has a different name.