When?

apogee
a final climactic stage
 
turnaround
time need to prepare a vessel or ship for a return trip
 
quinquennium
a period of five years
 
eve
the period immediately before something
 
Guy Fawkes Night
effigies of Guy Fawkes are burned on this night
 
Palm Sunday
Sunday before Easter
 
Jewish New Year
(Judaism) a solemn Jewish feast day celebrated on the 1st or 1st and 2nd of Tishri; noted for the blowing of the shofar
 
major fast day
one of two major fast days on the Jewish calendar
 
prophase
the first stage of mitosis
 
new phase of the moon
the time at which the Moon appears as a narrow waxing crescent
 
full
the time when the Moon is fully illuminated
 
dead
a time when coldness (or some other quality associated with death) is intense
 
trimester
a period of three months; especially one of the three three-month periods into which human pregnancy is divided
 
Jumada I
the fifth month of the Islamic calendar
 
schooltime
the time of life when you are going to school
 
Whitsun Monday
the day after Whitsunday; a legal holiday in England and Wales and Ireland
 
yr
a period of time containing 365 (or 366) days
 
bachelorhood
the time of a man's life prior to marriage
 
life sentence
a prison term lasting as long as the prisoner lives
 
Caitra
the first Hindu calendar month (corresponding to March in the Gregorian calendar)
 
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