Every three months is called a quarter. And there are four quarters in a year.
Every one third of a year.
Semester
In 2013, four of them do.It's not the same every year.
The word for something that occurs every six months is "biannual" or "semiannual." Both terms are used interchangeably to describe events or occurrences that take place twice a year.
Quarterly (in other words 12 months divided by 4)
Every three months is called a quarter. And there are four quarters in a year.
every four months
Quarter. At every Quarter of the financial year (every 3 months).
bimonthly
Every one third of a year.
your blood cells
Semester
Quarterly
Shifts is a verb in that sentence. Since "experiences" is plural, the verb should be "shift".
In 2013, four of them do.It's not the same every year.
for about 5 to 6 months