yearquarterdaycountbetween {clock}  R Documentation 
This is a yearquarterday method for the calendar_count_between()
generic.
It counts the number of precision
units between start
and end
(i.e.,
the number of years or quarters).
## S3 method for class 'clock_year_quarter_day'
calendar_count_between(start, end, precision, ..., n = 1L)
start, end 
A pair of yearquarterday vectors. These will be recycled to their common size. 
precision 
One of:

... 
These dots are for future extensions and must be empty. 
n 
A single positive integer specifying a multiple of 
An integer representing the number of precision
units between
start
and end
.
# Compute the number of whole quarters between two dates
x < year_quarter_day(2020, 3, 91)
y < year_quarter_day(2025, 4, c(90, 92))
calendar_count_between(x, y, "quarter")
# Note that this is not always the same as the number of whole 3 month
# periods between two dates
x < as_year_month_day(x)
y < as_year_month_day(y)
calendar_count_between(x, y, "month", n = 3)