Temporal variation in suicide and homicide.
In this study of all of the violent deaths in the US over two years, clear monthly and daily variations were found. Suicide peaked in the Spring and Fall; homicide in July and December. Suicide was more common on Mondays; homicide on Saturdays and Sundays. Homicide was more common on national holidays, while suicide tended to be less common. No lunar variation was found.
D006693:Holidays; D006708:Homicide; D006801:Humans; D012621:Seasons; D013405:Suicide / Q000453:epidemiology*; D013997:Time Factors; D014481:United States