On Thursday, 24 October 2019 at 12:01:21 UTC, Adam D. Ruppe wrote: > On Thursday, 24 October 2019 at 11:50:04 UTC, Mil58 wrote: >> [...] > > Try this: > > Duration diff = cast(DateTime) auj - deb; > writeln("Diff : ", diff.total!"days"); > > [...] Awsome ! Thank you for your quick reply... Both lines work perfectly :-)