From The Art and Popular Culture Encyclopedia April is commonly
associated with the season of spring in the Northern hemisphere
and autumn in the Southern hemisphere, where it is the seasonal
equivalent to October in the Northern hemisphere and vice versa.
April starts on the same day of the week as July in all years,
and January in leap years. April ends on the same day of the
week as December every year. April was the second month of the
Roman calendar, before January and February were added by King
Numa Pompilius about 700 BC. It became the fourth month of the
calendar year (the year when twelve months are displayed in
order) during the time of the decemvirs about 450 BC, when it
also was given 29 days. The derivation of the name (Latin
Aprilis) is uncertain. The traditional etymology is from the
Latin aperire, "to open," in allusion to its being the season
when trees and flowers begin to "open," which is supported by
comparison with the modern Greek use of ἁνοιξις (anoixis)
(opening) for spring. Since som