TIP 302 has been open to fix this in Tcl 8.7+, and there is atleast one implementation of the fix. I looked at addressing TIP 302, but it was complicated since

TIP 302 has been open to fix this in Tcl 8.7+, and there is atleast one implementation of the fix. I looked at addressing TIP 302, but it was complicated since Tcl virtualizes the clock (like it does the filesystem).