Это должно помочь вам начать (у вас мало данных), а затем просто изменить условие на то, что вам нужно? IE час <21 | (час> 14 и минута> 30)
>>> myList = [['2020-02-24 14:30:00' , 48.174999 , 48.200001 , 47.500000 , 47.770000 , 7004859.0],
... ['2020-02-24 14:31:00' , 47.830101 , 48.490002 , 47.689999 , 48.380402 , 1237115.0],
... ['2020-02-24 14:32:00' , 48.360100 , 48.630001 ,48.119999 , 48.610001 , 792655.0],
... ['2020-02-24 14:33:00' , 48.610001, 48.660000 , 48.395000 , 48.619999 , 675367.0],
... ['2020-02-24 14:34:00' , 48.570000 , 48.570000 , 48.570000 , 48.570000 , 725846.0],
... ['2020-02-28 16:37:00' , 45.044998 , 45.389999 , 45.044998 , 45.369999 , 442847.0],
... ['2020-02-28 16:38:00' , 45.349998 , 45.410000 , 45.290001 , 45.400002 , 361566.0],
... ['2020-02-28 16:39:00' , 45.409302 , 45.540001 , 45.380001 , 45.500000 , 393467.0],
... ['2020-02-28 16:40:00' , 45.500000 , 45.509998 , 45.360001 , 45.420300 , 414059.0],
... ['2020-02-28 16:41:35' , 45.660000 , 45.660000 , 45.660000 , 45.660000 , 0.0]]
...
>>> df = pd.DataFrame(myList, columns = ['Date','Open','High','Low','Close','Volume'])
>>> df['Date'] = pd.to_datetime(df['Date'])
>>> df[df.Date.dt.hour > 14]
Date Open High Low Close Volume
5 2020-02-28 16:37:00 45.044998 45.389999 45.044998 45.369999 442847.0
6 2020-02-28 16:38:00 45.349998 45.410000 45.290001 45.400002 361566.0
7 2020-02-28 16:39:00 45.409302 45.540001 45.380001 45.500000 393467.0
8 2020-02-28 16:40:00 45.500000 45.509998 45.360001 45.420300 414059.0
9 2020-02-28 16:41:35 45.660000 45.660000 45.660000 45.660000 0.0
>>> print(df)
Date Open High Low Close Volume
0 2020-02-24 14:30:00 48.174999 48.200001 47.500000 47.770000 7004859.0
1 2020-02-24 14:31:00 47.830101 48.490002 47.689999 48.380402 1237115.0
2 2020-02-24 14:32:00 48.360100 48.630001 48.119999 48.610001 792655.0
3 2020-02-24 14:33:00 48.610001 48.660000 48.395000 48.619999 675367.0
4 2020-02-24 14:34:00 48.570000 48.570000 48.570000 48.570000 725846.0
5 2020-02-28 16:37:00 45.044998 45.389999 45.044998 45.369999 442847.0
6 2020-02-28 16:38:00 45.349998 45.410000 45.290001 45.400002 361566.0
7 2020-02-28 16:39:00 45.409302 45.540001 45.380001 45.500000 393467.0
8 2020-02-28 16:40:00 45.500000 45.509998 45.360001 45.420300 414059.0
9 2020-02-28 16:41:35 45.660000 45.660000 45.660000 45.660000 0.0
>>>