[datetime]S7_01_datetime

 

 

 

In [11]:

# date: define dates only without including time (month, day, year)
# datetime : define times and dates together (month, day, year, hour, second, microsecond)
import pandas as pd
import datetime as dt

 

In [12]:

# A date
date_ex = dt.date(2022,1,1)
date_ex

 

Out[12]:

datetime.date(2022, 1, 1)

 

In [13]:

type(date_ex)

 

Out[13]:

datetime.date

 

In [14]:

# Convert it into string to view
str(now)

 

Out[14]:

'2022-01-01'

 

In [15]:

date_ex.day

 

Out[15]:

1

 

In [16]:

date_ex.month

 

Out[16]:

1

 

In [17]:

datetime_ex = dt.datetime(2022, 3, 31, 9,30, 50)

 

In [18]:

str(datetime_ex)

 

Out[18]:

'2022-03-31 09:30:50'

 

In [19]:

datetime_ex.hour

 

Out[19]:

9

 

In [20]:

datetime_ex.minute

 

Out[20]:

30

 

In [22]:

import calendar
print(calendar.month(2023, 1))

 

 

    January 2023
Mo Tu We Th Fr Sa Su
                   1
 2  3  4  5  6  7  8
 9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31

 

In [24]:

dates = pd.Series(['2020/03/22','2020-08-25','March 22nd, 2020'])
dates

 

Out[24]:

0          2020/03/22
1          2020-08-25
2    March 22nd, 2020
dtype: object

 

In [25]:

# string format to a datetime object
dates_convert = pd.to_datetime(dates)
dates_convert

 

Out[25]:

0   2020-03-22
1   2020-08-25
2   2020-03-22
dtype: datetime64[ns]