Python 3 - time strftime() Method

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Description

The method strftime() converts a tuple or struct_time representing a time as returned by gmtime() or localtime() to a string as specified by the format argument.

If t is not provided, the current time as returned by localtime() is used. format must be a string. An exception ValueError is raised if any field in t is outside of the allowed range.

Syntax

Following is the syntax for strftime() method −

time.strftime(format[, t])

Parameters

  • t − This is the time in number of seconds to be formatted.

  • format − This is the directive which would be used to format given time.

Directive

The following directives can be embedded in the format string −

  • %a − abbreviated weekday name

  • %A − full weekday name

  • %b − abbreviated month name

  • %B − full month name

  • %c − preferred date and time representation

  • %C − century number (the year divided by 100, range 00 to 99)

  • %d − day of the month (01 to 31)

  • %D − same as %m/%d/%y

  • %e − day of the month (1 to 31)

  • %g − like %G, but without the century

  • %G − 4-digit year corresponding to the ISO week number (see %V).

  • %h − same as %b

  • %H − hour, using a 24-hour clock (00 to 23)

  • %I − hour, using a 12-hour clock (01 to 12)

  • %j − day of the year (001 to 366)

  • %m − month (01 to 12)

  • %M − minute

  • %n − newline character

  • %p − either am or pm according to the given time value

  • %r − time in a.m. and p.m. notation

  • %R − time in 24 hour notation

  • %S − second

  • %t − tab character

  • %T − current time, equal to %H:%M:%S

  • %u − weekday as a number (1 to 7), Monday=1. Warning: In Sun Solaris Sunday = 1

  • %U − week number of the current year, starting with the first Sunday as the first day of the first week

  • %V − The ISO 8601 week number of the current year (01 to 53), where week 1 is the first week that has at least 4 days in the current year, and with Monday as the first day of the week

  • %W − week number of the current year, starting with the first Monday as the first day of the first week

  • %w − day of the week as a decimal, Sunday = 0

  • %x − preferred date representation without the time

  • %X − preferred time representation without the date

  • %y − year without a century (range 00 to 99)

  • %Y − year including the century

  • %Z or %z − time zone or name or abbreviation

  • %% − a literal % character

Return Value

This method does not return any value.

Example

The following example shows the usage of strftime() method.

Live Demo 
#!/usr/bin/python3
import time

t = (2015, 12, 31, 10, 39, 45, 1, 48, 0)
t = time.mktime(t)
print (time.strftime("%b %d %Y %H:%M:%S", time.localtime(t)))

Result

When we run the above program, it produces the following result −

Dec 31 2015 10:39:45
python_date_time.htm
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