datetime year python

1import datetime
2date = '2021-05-21 11:22:03'
3datem = datetime.datetime.strptime(date, "%Y-%m-%d %H:%M:%S")
4print(datem.day)        # 25
5print(datem.month)      # 5
6print(datem.year)       # 2021
7print(datem.hour)       # 11
8print(datem.minute)     # 22
9print(datem.second)     # 3

1from datetime import datetime as d
2date = d.now()
3print(date.strftime("%Y-%m-%d %H:%M:%S"))

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

1import datetime
2now = datetime.datetime.now()
3print(now.year, now.month, now.day, now.hour, now.minute, now.second)

1from datetime import datetime
2
3day_of_year = datetime.now().timetuple().tm_yday