Merge remote-tracking branch 'upstream/branch-24.06' into ref/index2

python/cudf/cudf/core/index.py

@@ -1705,7 +1705,15 @@ def __init__(
             raise TypeError("dtype must be a datetime type")
 
         name = _getdefault_name(data, name=name)
-        data = column.as_column(data, dtype=dtype)
+        data = column.as_column(data)
+
+        # TODO: Remove this if statement and fix tests now that
+        # there's timezone support
+        if isinstance(data.dtype, pd.DatetimeTZDtype):
+            raise NotImplementedError(
+                "cuDF does not yet support timezone-aware datetimes"
+            )
+        data = data.astype(dtype)
 
         if copy:
             data = data.copy()