Datetime format?

[zoujiaqing via Digitalmars-d-learn]

```D
import std.datetime : Clock, format;
import std.stdio : writeln;

void main()
{
    auto currentTime = Clock.currTime;

    auto formattedTime = currentTime.format("%Y-%m-%d %H:%M:%S");

    writeln("Formatted Time: ", formattedTime);
}
```