get my home assistant token by 

ha_token=$(pass show home-assistant/192.168.128.3/jm/api) # it asks me to touch the yubikey.
server: 192.168.128.3

I want you to add an automation to set the AC thermostat to 85 at 17:58, 90 at 17:59, 85 at 18:00, 90 at 18:01 and so on until 18:20