DOC: Fixing SA01 issues for DatetimeIndex: date and tz (pandas-dev#58377)

* DOC: Fixing SA01 issues for DatetimeIndex: date and tz

* fixing: XPECTED TO FAIL, BUT NOT FAILING error

Author: KeiOshima

ci/code_checks.sh

@@ -103,7 +103,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.DataFrame.to_markdown SA01" \
         -i "pandas.DataFrame.to_parquet RT03" \
         -i "pandas.DataFrame.var PR01,RT03,SA01" \
-        -i "pandas.DatetimeIndex.date SA01" \
         -i "pandas.DatetimeIndex.day_of_year SA01" \
         -i "pandas.DatetimeIndex.dayofyear SA01" \
         -i "pandas.DatetimeIndex.freqstr SA01" \
@@ -115,7 +114,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.DatetimeIndex.std PR01,RT03" \
         -i "pandas.DatetimeIndex.to_period RT03" \
         -i "pandas.DatetimeIndex.to_pydatetime RT03,SA01" \
-        -i "pandas.DatetimeIndex.tz SA01" \
         -i "pandas.DatetimeIndex.tz_convert RT03" \
         -i "pandas.DatetimeTZDtype SA01" \
         -i "pandas.DatetimeTZDtype.tz SA01" \
@@ -270,7 +268,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.Series.dt.as_unit PR01,PR02" \
         -i "pandas.Series.dt.ceil PR01,PR02" \
         -i "pandas.Series.dt.components SA01" \
-        -i "pandas.Series.dt.date SA01" \
         -i "pandas.Series.dt.day_name PR01,PR02" \
         -i "pandas.Series.dt.day_of_year SA01" \
         -i "pandas.Series.dt.dayofyear SA01" \
@@ -290,7 +287,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.Series.dt.strftime PR01,PR02" \
         -i "pandas.Series.dt.to_period PR01,PR02,RT03" \
         -i "pandas.Series.dt.total_seconds PR01" \
-        -i "pandas.Series.dt.tz SA01" \
         -i "pandas.Series.dt.tz_convert PR01,PR02,RT03" \
         -i "pandas.Series.dt.tz_localize PR01,PR02" \
         -i "pandas.Series.dt.unit GL08" \

pandas/core/arrays/datetimes.py

@@ -593,6 +593,13 @@ def tz(self) -> tzinfo | None:
         datetime.tzinfo, pytz.tzinfo.BaseTZInfo, dateutil.tz.tz.tzfile, or None
             Returns None when the array is tz-naive.
 
+        See Also
+        --------
+        DatetimeIndex.tz_localize : Localize tz-naive DatetimeIndex to a
+            given time zone, or remove timezone from a tz-aware DatetimeIndex.
+        DatetimeIndex.tz_convert : Convert tz-aware DatetimeIndex from
+            one time zone to another.
+
         Examples
         --------
         For Series:
@@ -1476,6 +1483,14 @@ def date(self) -> npt.NDArray[np.object_]:
         Namely, the date part of Timestamps without time and
         timezone information.
 
+        See Also
+        --------
+        DatetimeIndex.time : Returns numpy array of :class:`datetime.time` objects.
+            The time part of the Timestamps.
+        DatetimeIndex.year : The year of the datetime.
+        DatetimeIndex.month : The month as January=1, December=12.
+        DatetimeIndex.day : The day of the datetime.
+
         Examples
         --------
         For Series: