- API reference
- pandas arrays, scalars, and data types
- pandas.Perio...
pandas.Period.strftime#
- Period.strftime(fmt)#
Returns a formatted string representation of the
Period
.fmt
must beNone
or a string containing one or several directives.WhenNone
, the format will be determined from the frequency of the Period.The method recognizes the same directives as thetime.strftime()
function of the standard Python distribution, as well as the specificadditional directives%f
,%F
,%q
,%l
,%u
,%n
.(formatting & docs originally from scikits.timeries).Directive
Meaning
Notes
%a
Locale’s abbreviated weekdayname.
%A
Locale’s full weekday name.
%b
Locale’s abbreviated monthname.
%B
Locale’s full month name.
%c
Locale’s appropriate date andtime representation.
%d
Day of the month as a decimalnumber [01,31].
%f
‘Fiscal’ year without acentury as a decimal number[00,99]
(1)
%F
‘Fiscal’ year with a centuryas a decimal number
(2)
%H
Hour (24-hour clock) as adecimal number [00,23].
%I
Hour (12-hour clock) as adecimal number [01,12].
%j
Day of the year as a decimalnumber [001,366].
%m
Month as a decimal number[01,12].
%M
Minute as a decimal number[00,59].
%p
Locale’s equivalent of eitherAM or PM.
(3)
%q
Quarter as a decimal number[1,4]
%S
Second as a decimal number[00,61].
(4)
%l
Millisecond as a decimal number[000,999].
%u
Microsecond as a decimal number[000000,999999].
%n
Nanosecond as a decimal number[000000000,999999999].
%U
Week number of the year(Sunday as the first day ofthe week) as a decimal number[00,53]. All days in a newyear preceding the firstSunday are considered to be inweek 0.
(5)
%w
Weekday as a decimal number[0(Sunday),6].
%W
Week number of the year(Monday as the first day ofthe week) as a decimal number[00,53]. All days in a newyear preceding the firstMonday are considered to be inweek 0.
(5)
%x
Locale’s appropriate daterepresentation.
%X
Locale’s appropriate timerepresentation.
%y
Year without century as adecimal number [00,99].
%Y
Year with century as a decimalnumber.
%Z
Time zone name (no charactersif no time zone exists).
%%
A literal
'%'
character.Notes
The
%f
directive is the same as%y
if the frequency isnot quarterly.Otherwise, it corresponds to the ‘fiscal’ year, as defined bytheqyear
attribute.The
%F
directive is the same as%Y
if the frequency isnot quarterly.Otherwise, it corresponds to the ‘fiscal’ year, as defined bytheqyear
attribute.The
%p
directive only affects the output hour fieldif the%I
directive is used to parse the hour.The range really is
0
to61
; this accounts for leapseconds and the (very rare) double leap seconds.The
%U
and%W
directives are only used in calculationswhen the day of the week and the year are specified.
Examples
>>>frompandasimportPeriod>>>a=Period(freq='Q-JUL',year=2006,quarter=1)>>>a.strftime('%F-Q%q')'2006-Q1'>>># Output the last month in the quarter of this date>>>a.strftime('%b-%Y')'Oct-2005'>>>>>>a=Period(freq='D',year=2001,month=1,day=1)>>>a.strftime('%d-%b-%Y')'01-Jan-2001'>>>a.strftime('%b.%d, %Y was a %A')'Jan. 01, 2001 was a Monday'