Execute command based on sunset sundawn

selectmode.fish

function selectmode --description "Select light or darkmode based on time"
    set currentday (date +%j)
    if test $currentday -gt "280" || test $currentday -lt "90"
        set sundawn "0900"
        set sunset "1700"
    else
        set sundawn "0600"
        set sunset "2000"
    end

    set currenttime (date +%H%M)
    if test $currenttime -gt $sundawn && test $currenttime -lt $sunset
        lightmode
    else
        darkmode
    end
end