do we need tzoffset?

Author: MarcoGorelli

pandas/_libs/tslib.pyx

@@ -723,20 +723,15 @@ cpdef array_to_datetime(
         if not is_same_offsets:
             _result = np.empty(n, dtype="object")
             for i in range(n):
-                if checknull_with_nat_and_na(iresult[i]):
-                    # GH 25978. No need to parse NaT-like or datetime-like vals
-                    _result[i] = NPY_NAT
+                if iresult[i] != iresult[i] or iresult[i] == NPY_NAT:
+                    _result[i] = result[i]
                     continue
                 _dt = dt.datetime.utcfromtimestamp(iresult[i]/1_000_000_000)
                 if result_timezone[i] is not None:
                     _tzinfo = pytz.FixedOffset(result_timezone[i]/60)
                     _result[i] = _dt.replace(tzinfo=pytz.UTC).astimezone(_tzinfo)
                 else:
                     _result[i] = _dt
-                print("_dt", _dt)
-                print("resultimteinzei", result_timezone[i])
-                print("iresulti", iresult[i])
-                print("resulti", result[i])
             return _result, None
         else:
             tz_offset = out_tzoffset_vals.pop()