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.
Circadian rhythm. A circadian rhythm is a roughly 24 hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria. In a strict sense, circadian rhythms are endogenously generated, although they can be modulated by external cues such as sunlight and temperature.