Update docstring for utcoffset

Author: shreyas-dev

pandas/_libs/tslibs/timestamps.pyx

@@ -1748,6 +1748,13 @@ class Timestamp(_Timestamp):
     def utcoffset(self):
         """
         Return utc offset.
+        This method returns the difference between UTC and the local time
+        as a `timedelta` object. It is useful for understanding the time
+        difference between the current timezone and UTC.
+
+        Returns
+        --------
+        timedelta : The difference between UTC and the local time as a `timedelta` object.
 
         Examples
         --------