If you're near the knob, and you have a clean hand, and a free hand, and your motor control is fine, and your lights are wired to switches how you want to control them (some people want individually controlled bulbs, but that's a lot of switches and knobs).

BTW, always on the lookout for an offline only voice activated clock with multiple timers. wifi for NTP only is also acceptable; no cloud allowed. 98% of what we use the voice assistants for is task timers; it's nice to have those voice activated so everyone knows they were set.