[3.14] gh-160035: Simplify datetime awareness docs (GH-160086) (#160212)

(cherry picked from commit c3bcc92)

Co-authored-by: Nakum Milan <milannakum.ce22@sltiet.edu.in>
Co-authored-by: Stan Ulbrych <stan@python.org>

Author: 3 people

Doc/library/datetime.rst

@@ -184,18 +184,12 @@ Objects of the :class:`date` type are always naive.
 
 An object of type :class:`.time` or :class:`.datetime` may be aware or naive.
 
-A :class:`.datetime` object ``d`` is aware if both of the following hold:
-
-1. ``d.tzinfo`` is not ``None``
-2. ``d.tzinfo.utcoffset(d)`` does not return ``None``
-
+A :class:`.datetime` object ``d`` is aware if
+:meth:`d.utcoffset() <datetime.utcoffset>` does not return ``None``.
 Otherwise, ``d`` is naive.
 
-A :class:`.time` object ``t`` is aware if both of the following hold:
-
-1. ``t.tzinfo`` is not ``None``
-2. ``t.tzinfo.utcoffset(None)`` does not return ``None``.
-
+A :class:`.time` object ``t`` is aware if
+:meth:`t.utcoffset() <time.utcoffset>` does not return ``None``.
 Otherwise, ``t`` is naive.
 
 The distinction between aware and naive doesn't apply to :class:`timedelta`