I have tried two Defiant brand digital timers for my front porch light. It is wired with a neutral bundle of 4 or so wires, so it should work. It works but randomly it turns off and back on every few minutes. The bulb is an LED.

I need a new brand. This one is going to drive me nuts. It needs to adapt to the seasonal changes too.

This is the one I install in all my customers houses, hundreds installed, only one that I know of have ever failed. Battery lasts five+ years, no neutral required.

If the light can be controlled by a switch, and assuming you have WiFi near, install one of these TP Link KASA HS200. These are basically an evolution from the switch skins recommended. Control it from your phone and set up as many timed events as you want. They're really a piece of cake to use.

I’m upgrading all of the switches in my house to smart. Went with the Lutron Caseta system. No complaints so far and I really like being able to set lighting scenes, schedules, and whatnot.

-Rob