strftime format code example

Example 1: python datetime string

import datetime

today = datetime.datetime.now()
date_time = today.strftime("%m/%d/%Y, %H:%M:%S")
print("date and time:",date_time)

Example 2: format time python

| Directive | Meaning                                                        | Example                 | 
|-----------|------------------------------------------------------------------------------------------|
|%a         | Abbreviated weekday name.                                      | Sun, Mon, ..            | 
|%A         | Full weekday name.                                             | Sunday, Monday, ...     | 
|%w         | Weekday as a decimal number.                                   | 0, 1, ..., 6            | 
|%d         | Day of the month as a zero-padded decimal.                     | 01, 02, ..., 31         | 
|%-d        | Day of the month as a decimal number.                          | 1, 2, ..., 30           | 
|%b         | Abbreviated month name.                                        | Jan, Feb, ..., Dec      | 
|%B         | Full month name.                                               | January, February, ...  | 
|%m         | Month as a zero-padded decimal number.                         | 01, 02, ..., 12         | 
|%-m        | Month as a decimal number.                                     | 1, 2, ..., 12           | 
|%y         | Year without century as a zero-padded decimal number.          | 00, 01, ..., 99         | 
|%-y        | Year without century as a decimal number.                      | 0, 1, ..., 99           | 
|%Y         | Year with century as a decimal number.                         | 2013, 2019 etc.         | 
|%H         | Hour (24-hour clock) as a zero-padded decimal number.          | 00, 01, ..., 23         | 
|%-H        | Hour (24-hour clock) as a decimal number.                      | 0, 1, ..., 23           | 
|%I         | Hour (12-hour clock) as a zero-padded decimal number.          | 01, 02, ..., 12         | 
|%-I        | Hour (12-hour clock) as a decimal number.                      | 1, 2, ... 12            | 
|%p         | Locale’s AM or PM.                                             | AM, PM                  | 
|%M         | Minute as a zero-padded decimal number.                        | 00, 01, ..., 59         | 
|%-M        | Minute as a decimal number.                                    | 0, 1, ..., 59           | 
|%S         | Second as a zero-padded decimal number.                        | 00, 01, ..., 59         | 
|%-S        | Second as a decimal number.                                    | 0, 1, ..., 59           | 
|%f         | Microsecond as a decimal number, zero-padded on the left.      | 000000 - 999999         | 
|%z         | UTC offset in the form +HHMM or -HHMM.                         |                         | 
|%Z         | Time zone name.                                                |                         | 
|%j         | Day of the year as a zero-padded decimal number.               | 001, 002, ..., 366      | 
|%-j        | Day of the year as a decimal number. 1, 2, ..., 366            |                         | 
|%U         | Week number of the year (Sunday as the first day of the week). | 00, 01, ..., 53         | 
|%W         | Week number of the year (Monday as the first day of the week). | 00, 01, ..., 53         | 
|%c         | Locale’s appropriate date and time representation.             | Mon Sep 30 07:06:05 2013|
|%x         | Locale’s appropriate date representation.                      | 09/30/13                | 
|%X         | Locale’s appropriate time representation.                      | 07:06:05                | 
|%%         | A literal '%' character.                                       | %                       |

Example 3: strtime format

# exemple
print(date.strftime("%Y/%m/%d")) #2020/12/31
# all format codes

# %a | Weekday as locale’s abbreviated name. | Sun, Mon, …, Sat (en_US)
# ---|--------------------------------------------------------------------
# %A | Weekday as locale’s full name.        | Sunday, Monday, …, Saturday
# ------------------------------------------------------------------------
# %w | Weekday as a decimal number,          | 0, 1, ...,6
#    | where 0 is Sunday and 6 is Saturday.  |
# ------------------------------------------------------------------------
# %d | Day of the month as a zero-padded     | 01, 02, …, 31
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %b | Month as locale’s abbreviated name.   | Jan, Feb, …, Dec
# ------------------------------------------------------------------------
# %B | Month as locale’s full name.          | January, February, …, December
# ------------------------------------------------------------------------
# %m | Month as a zero-padded decimal number.| 01, 02, …, 12
# ------------------------------------------------------------------------
# %y | Year without century as a zero-padded | 00, 01, …, 99
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %Y | Year with century as a decimal number.| 0001, 0002, …, 9999
# ------------------------------------------------------------------------
# %H | Hour (24-hour clock) as a zero-padded | 00, 01, …, 23
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %I | Hour (12-hour clock) as a zero-padded | 01, 02, …, 12
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %p | Locale’s equivalent of either AM / PM | AM, PM (en_US);
# ------------------------------------------------------------------------
# %M | Minute as a zero-padded decimal number| 00, 01, …, 59
# ------------------------------------------------------------------------
# %S |Second as a zero-padded decimal number.| 00, 01, …, 59
# ------------------------------------------------------------------------
# %f | Microsecond as a decimal number,      | 000000, 000001, …, 999999
#    | zero-padded on the left.              |
# ------------------------------------------------------------------------
# %z | UTC offset in the form                | (empty), +0000, -0400, +1030,
#    | ±HHMM[SS[.ffffff]]                    | +063415, -030712.345216
#    | (empty string if the object is naive) |
# ------------------------------------------------------------------------
# %Z | Time zone name                        | (empty), UTC, GMT
#    | (empty string if the object is naive) |
# ------------------------------------------------------------------------
# %j | Day of the year as a zero-padded      | 001, 002, …, 366
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %U | Week number of the year               | 00, 01, …, 53
#    | (Sunday as the first day of the week) |
#    | as a zero padded decimal number.      |
#    | All days in a new year preceding the  |
#    | first Sunday are considered to be     |
#    | in week 0.                            |
# ------------------------------------------------------------------------
# %W | Week number of the year               | 00, 01, …, 53
#    | (Monday as the first day of the week) |
#    | as a decimal number. All days in a    |
#    | new year preceding the first Monday   |
#    | are considered to be in week 0.       |
# ------------------------------------------------------------------------
# %c | Locale’s appropriate date and         | Tue Aug 16 21:30:00 1988 (en_US)
#    | time representation.                  | Di 16 Aug 21:30:00 1988 (de_DE)
# ------------------------------------------------------------------------
# %x | Locale’s appropriate date             | 08/16/88 (None)
#    | representation.                       | 08/16/1988 (en_US)
#    |                                       | 16.08.1988 (de_DE)
# ------------------------------------------------------------------------
# %X | Locale’s appropriate time             | 21:30:00 (en_US);
#    | representation.                       | 21:30:00 (de_DE)
# ------------------------------------------------------------------------
# %% | A literal '%' character.              | %

Example 4: strftime python

date_time = now.strftime("%m/%d/%Y, %H:%M:%S")

Example 5: strtotime format

$date = '25/05/2010';
$date = str_replace('/', '-', $date);
echo date('Y-m-d', strtotime($date));

Example 6: strftime python

from datetime import datetime

now = datetime.now() # current date and time

year = now.strftime("%Y")
print("year:", year)

month = now.strftime("%m")
print("month:", month)

day = now.strftime("%d")
print("day:", day)

time = now.strftime("%H:%M:%S")
print("time:", time)

date_time = now.strftime("%m/%d/%Y, %H:%M:%S")
print("date and time:",date_time)

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