a time base can deorbit / water on other celsius
time_limit is time_period. solstice is cosmic_time. solstice is not time_of_year. solstice is not cosmic_time. time_limit is not time_period. daylight_saving_time is not time. timer is timepiece. solstice is time_of_year. water_clock is not clock. rush_hour is not time_of_day.