When?

Solemnity of Mary
(Roman Catholic Church) a holy day of obligation
 
Flag Day
commemorating the adoption of the United States flag in 1777
 
April Fools' day
the first day of April which is celebrated by playing practical jokes
 
midweek
the middle of a week
 
window
the time period that is considered best for starting or finishing something
 
phallic phase
(psychoanalysis) the third stage in a child's development when awareness of and manipulation of the genitals is supposed to be a primary source of pleasure
 
Frimaire
third month of the Revolutionary calendar (November and December); the frosty month
 
musth
an annual phase of heightened sexual excitement in the males of certain large mammals (especially elephants); is associated with discharge from a gland between the eye and ear
 
Dominion Day
a legal holiday in Canada commemorating receiving Dominion status in 1867
 
incubation
(pathology) the phase in the development of an infection between the time a pathogen enters the body and the time the first symptoms appear
 
prime
the time of maturity when power and vigor are greatest
 
antiquity
the historic period preceding the Middle Ages in Europe
 
childhood
the time of person's life when they are a child
 
pubescence
the time of life when sex glands become functional
 
Dhu al-Hijjah
the twelfth month of the Islamic calendar and the season of the hajj; has one extra day in leap years
 
nonage
any age prior to the legal age
 
Id al-Fitr
a Muslim day of feasting at the end of Ramadan
 
basketball season
the season when basketball is played
 
turn of the century
the period from about ten years before to ten years after a new century
 
centennial
the 100th anniversary (or the celebration of it)
 
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