> On Nov 16, 2016, at 5:55 AM, Marcin <marcin at nicram.net> wrote: > > Thank your. > I understand That %H represents hours. > Can I do with this way? > if ( %H > 22 and %H < 10 ) Read "man unlang". The syntax is documented. if (("%H" > 22) && ("%H" < 10)) ... Alan DeKok.