The timer needs to be rotated through the different time settings. If you've set if in the afternoon and it's still on at dusk it turns off at end of timer and needs to be restarted.
β° BN-LINK Short Period Repeat Cycle Intermittent Timer - Versatile 24 Hour Interval Timer for Day and Night Operations
9 Review
β° 7 Day Heavy Duty Digital Programmable Timer Outlet - Dual Electrical Outlet Timer with Two Independently Plug-in Grounded Outlets Switch, 8 ON/Off Programs - 3 Prong Timer for Light Lamp Fan - 15A/1875W by BN-LINK
9 Review
π‘ Brinks 42-1076 Power Strip with Analog Timer - 8 Outlet
9 Review
π Versatile Mini Timer Time Delay Relay: 0.1 Sec to 400 Days. 3V 12V 18V 5A. Power On or Off Delay, Cycling, and More. Compatible with B00PD65UGA
9 Review
π‘ High-Quality Advance ICN-4P32-SC Electronic Fluorescent Ballast: Ideal for 4 Lamps, 32W T8, 120/277V
3 Review
π‘ Hydrofarm Quantum QT400 Dimmable Ballast for 400W Grow Lights
5 Review
Fulham WorkHorse WH2-120-C Adaptable Ballast - 2 Pack
3 Review
Wireless Electronic Ballast Interface Certified
8 Review