When transiting Uranus is conjunct your natal Saturn: Structures of your life are under attack by sudden and unpredictable events. If you have been unhappy with some aspect of your life it is likely to become intolerable now. It may just snap suddenly. Then you realize that you cannot go on like this anymore.
diurnal (comparative more diurnal, superlative most diurnal) 1  Happening or occurring during daylight, or primarily active during that time. ( 2 botany) Said of a flower open, or releasing its perfume during daylight hours, but not at night.
What are circadian rhythms? Circadian rhythms are physical, mental and behavioral changes that follow a roughly 24-hour cycle, responding primarily to light and darkness in an organism's environment. They are found in most living things, including animals, plants and many tiny microbes. The study of circadian rhythms is called chronobiology.