All works of literature contain some sort of theme. Themes are generally universal in nature, and relate to the condition of being human. Thus the theme in a work of literature crosses boundaries and makes a story meaningful to people to any culture or age.
Day length at the Equator. At latitude 0Â° (the Equator) day length will be approximately 12 hours. Areas on the Equator have a constant 12 hours of day light all year round.
The average menstrual cycle lasts 28 days. The variability of menstrual cycle lengths is highest for women under 25 years of age and is lowest, that is, most regular, for ages 35 to 39.