convert string to date in python-yyyy-mm-dd

convert string to date in python : 

In this article we see different methods to show How to conver string to date in python.
Different methods to convert string to date :
1) string to datetime
2) string to date object
3) string to time object
4)  python time strptime()example
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Using strptime function you can convert string to date object in python. we can Provide the date string and the formats in which the date is specified. https://www.python.org/

convert string to date in python-yyyy-mm-dd


 Example

import datetime
datetime_str = '21/06/2020' # The date - 21 jun 2020
formattime_str = '%d/%m/%Y' # The format of date
datetime_format = datetime.datetime.strptime(datetime_str, formattime_str)
print(datetime_format.date())

Output

This will give the output as follow −

2020-06-21

String to datetime
from datetime import datetime

dates_str = '06/21/20 14:55:26'

dates_object = datetime.strptime(dates_str, '%m/%d/%y %H:%M:%S')

print(type(dates_object))
print(dates_object) # printed in default formats

Output:

<class 'datetime.datetime'>
2020-06-21 14:55:26

python string to date yyyy-mm-dd

String to date object

Use date() functions alongwith strptime() function to convert string to data objects.

date_str = '06-21-2020'

datetime_object = datetime.strptime(date_str, '%m-%d-%Y').date()
print(type(datetime_object))
print(datetime_object) # printed in default formats

Output:

<class 'datetime.date'>
2020-06-21

convert string to datetime python pandas

String to time object

 using time() functions alongwith strptime() function to convert string to time objects.

times_str = '14::55::26'
times_object = datetime.strptime(times_str, '%H::%M::%S').time()
print(type(times_object))
print(times_object)

Output:

<class 'datetime.time'>
14:55:26

Python time strptime() example

Let’s see some example of using the module strptime() functions.

import time

times_obj = time.strptime(time_str, '%H::%M::%S')
print(type(times_obj))
print(times_obj)

# default in the formats - "%a %b %da %H:%M:%S %Y"
print(time.strptime('sun jun 21 15:55:02 2020'))

Output:

<class 'time.struct_time'>
time.struct_time(tm_year=1998, tm_mon=1, tm_mday=1, tm_hour=13, tm_min=55, tm_sec=26, tm_wday=0, tm_yday=1, tm_isdst=-1)
time.struct_time(tm_year=2020, tm_mon=6, tm_mday=21, tm_hour=15, tm_min=55, tm_sec=2, tm_wday=2, tm_yday=262, tm_isdst=-1)

Python strptime() ValueError Examples

using try-expect blocks to catch parsing exception and performs corrective action.

dates_str = '06/21/20 14:55:26'

try:
dates_object = datetime.strptime(dates_str, '%m/%d/%y')
except ValueError as ve:
print('ValueError Raised value:', ve)

time_str = '15::55::26'

try:
time_object = time.strptime(time_str, '%H::%M::%S')
except ValueError as e:
print('ValueErrortime:', e)

Output:

ValueError Raised value: unconverted data remains: 13:55:26
ValueErrortime: time data '15::55::26' does not match format '%H::%M::%S'
Tags:-convert string to date in python - date yyyy-mm-dd ,datetime python pandas 
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