This is sample flow for scheduling task in node-red, i’m using this for controling pump in my diy indoor hydroponics system

[{"id":"7092122b.f6593c","type":"inject","z":"fee8201c.ff1e","name":"timer lamp on","topic":"lamp","payload":"1","payloadType":"str","repeat":"","crontab":"00 06 * * *","once":false,"onceDelay":0.1,"x":460,"y":1660,"wires":[["85b40c2d.7fdcc"]]},{"id":"e3a49fce.3cda7","type":"inject","z":"fee8201c.ff1e","name":"timer lamp off","topic":"lamp","payload":"0","payloadType":"str","repeat":"","crontab":"00 06 * * *","once":false,"onceDelay":0.1,"x":460,"y":1620,"wires":[["85b40c2d.7fdcc"]]},{"id":"85b40c2d.7fdcc","type":"debug","z":"fee8201c.ff1e","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":730,"y":1640,"wires":[]}]
Happy Coding
Salam Ngoprek