by the time ...

když
"By the time we got back, it was nearly dark." (Když jsme se dostali zpátky, byla už skoro tma.)
"By the time Snyder had drawn his gun and started shooting at them, they were riding at a dead run to safety." (Když Snyder vytasil pistoli a začal na ně střílet, odjeli tryskem na koni do bezpečí.)