Round or truncate date-time objects.
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an object inheriting from
one of the units listed. Can be abbreviated.
arguments to be passed to or from other methods, notably
The time is rounded or truncated to the second, minute, hour or day. Time zones are only relevant to days, when midnight in the current time zone is used.
The methods for class
"Date" are of little use except to remove
An object of class
round for the generic function and default methods.