The phrase "sunset time" refers to the specific moment when the sun disappears below the horizon, marking the end of daylight and the beginning of evening or nighttime. Full definition
Like with the weather search, searching for sunrise or sunset without a location will show you the sunrise or sunset times for your current location. (howtogeek.com)
I agree with you, early morning is the best lighting for photos, as well as sunset time. (violettedaily.com)
It works via timer settings or your local sunset time. (goodereader.com)