time strftime

1import datetime
2
3today = datetime.datetime.now()
4date_time = today.strftime("%m/%d/%Y, %H:%M:%S")
5print("date and time:",date_time)

1| Directive | Meaning                                                        | Example                 | 
2|-----------|------------------------------------------------------------------------------------------|
3|%a         | Abbreviated weekday name.                                      | Sun, Mon, ..            | 
4|%A         | Full weekday name.                                             | Sunday, Monday, ...     | 
5|%w         | Weekday as a decimal number.                                   | 0, 1, ..., 6            | 
6|%d         | Day of the month as a zero-padded decimal.                     | 01, 02, ..., 31         | 
7|%-d        | Day of the month as a decimal number.                          | 1, 2, ..., 30           | 
8|%b         | Abbreviated month name.                                        | Jan, Feb, ..., Dec      | 
9|%B         | Full month name.                                               | January, February, ...  | 
10|%m         | Month as a zero-padded decimal number.                         | 01, 02, ..., 12         | 
11|%-m        | Month as a decimal number.                                     | 1, 2, ..., 12           | 
12|%y         | Year without century as a zero-padded decimal number.          | 00, 01, ..., 99         | 
13|%-y        | Year without century as a decimal number.                      | 0, 1, ..., 99           | 
14|%Y         | Year with century as a decimal number.                         | 2013, 2019 etc.         | 
15|%H         | Hour (24-hour clock) as a zero-padded decimal number.          | 00, 01, ..., 23         | 
16|%-H        | Hour (24-hour clock) as a decimal number.                      | 0, 1, ..., 23           | 
17|%I         | Hour (12-hour clock) as a zero-padded decimal number.          | 01, 02, ..., 12         | 
18|%-I        | Hour (12-hour clock) as a decimal number.                      | 1, 2, ... 12            | 
19|%p         | Locale’s AM or PM.                                             | AM, PM                  | 
20|%M         | Minute as a zero-padded decimal number.                        | 00, 01, ..., 59         | 
21|%-M        | Minute as a decimal number.                                    | 0, 1, ..., 59           | 
22|%S         | Second as a zero-padded decimal number.                        | 00, 01, ..., 59         | 
23|%-S        | Second as a decimal number.                                    | 0, 1, ..., 59           | 
24|%f         | Microsecond as a decimal number, zero-padded on the left.      | 000000 - 999999         | 
25|%z         | UTC offset in the form +HHMM or -HHMM.                         |                         | 
26|%Z         | Time zone name.                                                |                         | 
27|%j         | Day of the year as a zero-padded decimal number.               | 001, 002, ..., 366      | 
28|%-j        | Day of the year as a decimal number. 1, 2, ..., 366            |                         | 
29|%U         | Week number of the year (Sunday as the first day of the week). | 00, 01, ..., 53         | 
30|%W         | Week number of the year (Monday as the first day of the week). | 00, 01, ..., 53         | 
31|%c         | Locale’s appropriate date and time representation.             | Mon Sep 30 07:06:05 2013|
32|%x         | Locale’s appropriate date representation.                      | 09/30/13                | 
33|%X         | Locale’s appropriate time representation.                      | 07:06:05                | 
34|%%         | A literal '%' character.                                       | %                       | 
35

1# Example usage:
2import datetime
3date_time = datetime.datetime.now()
4print(date_time)
5--> '2020-10-03 15:29:54.822751'
6
7# From the date_time variable, you can extract the date in various
8# custom formats with .strftime(), for example:
9date_time.strftime("%d/%m/%Y")
10--> '03/10/2020' # dd/mm/yyyy
11
12date_time.strftime("%m/%d/%y")
13--> '10/03/20' # mm/dd/yy
14
15date_time.strftime("%Y/%m/%d")
16--> '2020/10/03'
17
18date_time.strftime("%Y-%m-%d")
19--> '2020-10-03'
20
21date_time.strftime("%B %d, %Y")
22--> 'October 03, 2020'
23
24# Key for other custom date/time formats:
25Directive	Description								Example
26%a			Weekday, short version					Wed	
27%A			Weekday, full version					Wednesday	
28%w			Weekday as a number 0-6, 0 is Sunday	3	
29%d			Day of month 01-31						31	
30%b			Month name, short version				Dec	
31%B			Month name, full version				December	
32%m			Month as a number 01-12					12	
33%y			Year, short version, without century	18	
34%Y			Year, full version						2018	
35%H			Hour 00-23								17	
36%I			Hour 00-12								05	
37%p			AM/PM									PM	
38%M			Minute 00-59							41	
39%S			Second 00-59							08	
40%f			Microsecond 000000-999999				548513	
41%z			UTC offset								+0100	
42%Z			Timezone								CST	
43%j			Day number of year 001-366				365	
44%U			Week number of year 00-53				52	
45%c			Local version of date and time			Mon Dec 31 17:41:00 2018	
46%x			Local version of date					12/31/18	
47%X			Local version of time					17:41:00	
48%%			A % character							%

1from datetime import datetime, timezone
2print(datetime.now())              # timezone
3print(datetime.now(timezone.utc))  # coordinated universal time 

1#also see datetime
2import time
3now = time.time()
4print(now)

1#!/usr/bin/python
2import time
3
4t = (2009, 2, 17, 17, 3, 38, 1, 48, 0)
5t = time.mktime(t)
6print time.strftime("%b %d %Y %H:%M:%S", time.gmtime(t))