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Python strptime

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The Python strptime function is one of the function that is available in both datetime and time module. This Python strptime function helps you to parse the datetime, date, or time in string representation. 

This Python strptime function uses some directives to parse the string date. Remember, these are the same directives that we used in the strftime function to format date and times.

The basic syntax behind this strptime in Python is as shown below

datetime.strptime(string_value, format) # format using directives

Before we get into the examples, let me show you the supporting Python strptime directives

  • %a – Short Version of Weekday (Wed)
  • %A – Full Version of Weekday (Wednesday)
  • %b – Short Version of Month Name (Jan)
  • %B – Full Version of Month Name (January)
  • %c – Local Version of Date and Time
  • %d  – Day Number of a Month 01 to 31
  • %f – Microseconds 000000 to 999999
  • %H – Hours 00 to 23
  • %I – Hours 00 to 12
  • %j – Day Number of the Year 001 to 366
  • %m – Month as a Number 01 to 12
  • %M – Minutes from 00 to 59
  • %p – AM or PM
  • %S – Seconds from 00 to 59
  • %U – Week Number of the Year from 00 to 53, where First Day of the Week = Sunday
  • %w – Weekday as a Number from 0 to 6, Where 0 = Sunday
  • %W – Week Number of the Year from 00 to 53, where First Day of the Week = Monday
  • %x – Local Version of Date (05/23/19)
  • %X – Local Version of Time (10:45:32)
  • %y – Short Version of Year (19)
  • %Y – Full Version of the Year (2019)
  • %z – UTC Offset
  • %Z – Timezone

Python strptime Examples

In this example, we are using the strptime function to convert the given string date in Day/Month/Year format to the local version of DateTime.

# Python strptime Example
 
from datetime import datetime
 
datetime_value = datetime.strptime('30/12/18', '%d/%m/%y')
 
print(datetime_value)

OUTPUT

Python strptime 1

Here, we are using the python strptime that accepts the date in DayNumber MonthName and FullYear format and returns the Date and Time.

from datetime import datetime
 
dt_string = '31 December 2018'
datetime_value = datetime.strptime(dt_string, '%d %B %Y')
print(datetime_value)
 
dt_str = '31 December 17'
dt_value = datetime.strptime(dt_str, '%d %B %y')
print(dt_value)

OUTPUT

Python strptime 2

In this example, we are using the strptime to convert the datetime string.

from datetime import datetime
 
dt_string = '31/12/18 23:59:58'
datetime_value = datetime.strptime(dt_string, '%d/%m/%y %H:%M:%S')
print(datetime_value)
 
dt_string = '10-12-2017 19:12:58'
dt_value = datetime.strptime(dt_string, '%d-%m-%Y %H:%M:%S')
print(dt_value)

OUTPUT

Python strptime 3

Let me use this Python strptime to return the DateTime from the given Hours, Minutes, Seconds .

from datetime import datetime
 
dt_string = '14:22:33'
time_value = datetime.strptime(dt_string, '%H:%M:%S')
print(time_value)
 
dt_str = '10-45-59'
t_value = datetime.strptime(dt_str, '%H-%M-%S')
print(t_value)

OUTPUT

Python strptime 4

Python strptime time library

You can also use the time library to use this strptime. This example is same as the first example. However, this time we are using strptime function inside the time library.

import time
 
datetime_value = time.strptime('31/12/18', '%d/%m/%y')
print(datetime_value)

OUTPUT

Python strptime 5

Python strptime example 3

If you specify the abbreviates in wrong order. Or, if you are using wrong formatters then the strptime function will throw an error.

# Python strptime Example
 
from datetime import datetime
 
dt_string = '31/12/18'
datetime_value = datetime.strptime(dt_string, '%d %m %y')
 
print(datetime_value)

OUTPUT

Python strptime 6

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