I have a 2d numpy.array, where the first column contains datetime.datetime objects, and the second column integers:

```
A = array([[2002-03-14 19:57:38, 197],
       [2002-03-17 16:31:33, 237],
       [2002-03-17 16:47:18, 238],
       [2002-03-17 18:29:31, 239],
       [2002-03-17 20:10:11, 240],
       [2002-03-18 16:18:08, 252],
       [2002-03-23 23:44:38, 327],
       [2002-03-24 09:52:26, 334],
       [2002-03-25 16:04:21, 352],
       [2002-03-25 18:53:48, 353]], dtype=object)

```

What I would like to do is select all rows for a specific date, something like

```
A[first_column.date()==datetime.date(2002,3,17)]
array([[2002-03-17 16:31:33, 237],
           [2002-03-17 16:47:18, 238],
           [2002-03-17 18:29:31, 239],
           [2002-03-17 20:10:11, 240]], dtype=object)

```

How can I achieve this?

Thanks for your insight :)