| author |
Steve Losh <steve@stevelosh.com> |
| date |
Thu, 02 Jan 2014 11:54:13 -0500 |
| parents |
6eec2c131213 |
| children |
(none) |
*strftimedammit.txt* Strftime Documentation for various formats
==============================================================================
CONTENTS *strftimedammit-contents*
1. Django .......................... |strftime-django|
2. Java (Joda) ..................... |strftime-java-joda|
3. Perl .......................... |strftime-perl|
4. Python .......................... |strftime-python|
5. Ruby .......................... |strftime-ruby|
==============================================================================
1. Django *strftime-django* *django-date* *django-time*
Times >
H Hour, 24-hour format 00 to 23
G Hour, 24-hour format without leading zeros 0 to 23
h Hour, 12-hour format 01 to 12
g Hour, 12-hour format without leading zeros 1 to 12
a a.m. or p.m. a.m.
A AM or PM AM
i Minutes, 2 digits with leading zeros 00 to 59
s Seconds, 2 digits with leading zeros 00 to 59
u Microseconds 0 to 999999
f Time, in 12-hour hours and minutes, with minutes 1, 1:30
left off if they're zero
Days >
z Day of the year 0 to 365
d Day of the month, 2 digits with leading zeros 01 to 31
j Day of the month without leading zeros 1 to 31
l Day of the week, textual, long Friday
D Day of the week, textual, 3 letters Fri
w Day of the week, digits without leading zeros 0 (Sunday) to 6
S English ordinal suffix for day of the month st, nd, rd, th
Months >
m Month, 2 digits with leading zeros 01 to 12
n Month without leading zeros 1 to 12
F Month, textual, long January
M Month, textual, 3 letters, capitalized Jan
b Month, textual, 3 letters, lowercase jan
N Month abbreviation in Associated Press style Jan.
E Month, locale specific alternative representation
usually used for long date representation.
'listopada' (for Polish locale, as opposed to 'Listopad')
Weeks >
W ISO-8601 week number of year, with weeks starting on Monday 1, 53
Years >
y Year, 2 digits 99
Y Year, 4 digits 1999
Combinations >
c ISO 8601 Format 2008-01-02T10:30:00.000123
r RFC 2822 formatted date Thu, 21 Dec 2000 16:01:07 +0200
P Time, in 12-hour hours, minutes and 'a.m.'/'p.m.', 1 a.m.
with minutes left off if they're zero and the 1:30 p.m.
special-case strings 'midnight' and 'noon' if midnight
appropriate
O Difference to Greenwich time in hours +0200
Others >
Z Time zone offset in seconds. The offset for timezones
west of UTC is always negative, and for those east of
UTC is always positive
U Seconds since the Unix Epoch (January 1 1970 00:00:00 UTC)
T Time zone of this machine EST
t Number of days in the given month 28 to 31
L Boolean for whether it's a leap year True or False
==============================================================================
2. Java (Joda) *strftime-java-joda* *strftime-joda*
Times >
H Hour, 24-hour format 0
h Hour, 12-hour format 12
a AM or PM PM
m Minute of hour 30
s Second of minute 55
S Fraction of second 978
K Hour, 12-hour format, indexed from 0 (0-11) 0
k Hour, 24-hour format, indexed from 1 (1-24) 24
Days >
d Day of month 10
e Day of week, numeric 2
E Day of week, textual Tuesday; Tue
D Day of year 189
Months >
M Month of year July; Jul; 07
Weeks >
w Week number of year 27
x "Weekyear", whatever the hell that means 1996
Years >
y Year 1996
G Era AD
Y Year of era (>=0) 1996
C Century of era (>=0) 20
Others >
z Time zone Pacific Standard Time; PST
Z Time zone offset/id -0800; -08:00; America/Los_Angeles
' Escape for text
'' Single quote '
==============================================================================
3. Perl *strftime-perl*
Note: You need to import strftime from Perl's POSIX module >
use POSIX qw/strftime/;
<
Since Perl relies on the POSIX C function, I'm only mentioning portable choices,
as per http://perltraining.com.au/tips/2009-02-26.html. (Well, actually I added
%F because I can't live without it.)
Times >
%H Hour (24-hour clock) as a decimal number 00 to 23
%I Hour (12-hour clock) as a decimal number 01 to 12
%M Minute of the hour 00 to 59
%S Second of the minute 00 to 61
%p Locale dependent strings for 'AM' and 'PM' AM or PM
Days >
%a Abbreviated weekday name Wed
%A Full weekday name Wednesday
%d Day of the month as a decimal number 01 to 31
%j Day of the year as a decimal number 001 to 366
%w Weekday as a decimal number 0 (Sunday) to 6
Months >
%b Abbreviated month name Oct
%B Full month name October
%m Month as a decimal number 01 to 12
Weeks >
%U Week number of the year (Sunday as the first day of the 00 to 53
week) as a 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 (Monday as the first day of the 00 to 53
week) as a decimal number. All days in a new year
preceding the first Monday are considered to be in week 0.
Years >
%y Year without century as a decimal number 11
%Y Year with century as a decimal number 2011
Combinations >
%F %Y-%m-%d (ISO 8601 date format) 2011-03-08
Others >
%s Seconds since 1970-01-01 00:00:00 UTC (the Epoch) 1299616963
%% A literal '%' character %
==============================================================================
4. Python *strftime-python*
Times >
%H Hour (24-hour clock) as a decimal number 00 to 23
%I Hour (12-hour clock) as a decimal number 01 to 12
%M Minute as a decimal number 00 to 59
%S Second as a decimal number 00 to 61
%p Locale's equivalent of either AM or PM AM
Days >
%a Abbreviated weekday name Wed
%A Full weekday name Wednesday
%d Day of the month as a decimal number 01 to 31
%j Day of the year as a decimal number 001 to 366
%w Weekday as a decimal number 0 (Sunday) to 6
Months >
%b Abbreviated month name Oct
%B Full month name October
%m Month as a decimal number 01 to 12
Weeks >
%U Week number of the year (Sunday as the first day of the 00 to 53
week) as a 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 (Monday as the first day of the 00 to 53
week) as a decimal number. All days in a new year
preceding the first Monday are considered to be in week 0.
Years >
%y Year without century as a decimal number 11
%Y Year with century as a decimal number 2011
Combinations >
%x Locale's appropriate date representation
%X Locale's appropriate time representation
%c Locale's appropriate date and time representation
Others >
%Z Time zone name (no characters if no time zone exists)
%% A literal '%' character %
==============================================================================
5. Ruby *strftime-ruby*
Times >
%H Hour (24-hour clock) as a decimal number 00 to 23
%I Hour (12-hour clock) as a decimal number 01 to 12
%M Minute of the hour 00 to 59
%S Second of the minute 00 to 61
%T time, 24-hour (%H:%M:%S) 15:39:09
%r time, 12-hour (%I:%M:%S %p) 03:39:09 PM
%R time, 24-hour (%H:%M) 15:39
%p Meridian indicator in uppercase AM or PM
%P Meridian indicator in lowercase am or pm
Days >
%a Abbreviated weekday name Wed
%A Full weekday name Wednesday
%d Day of the month as a decimal number 01 to 31
%j Day of the year as a decimal number 001 to 366
%w Weekday as a decimal number 0 (Sunday) to 6
Months >
%b Abbreviated month name Oct
%B Full month name October
%m Month as a decimal number 01 to 12
Weeks >
%U Week number of the year (Sunday as the first day of the 00 to 53
week) as a 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 (Monday as the first day of the 00 to 53
week) as a decimal number. All days in a new year
preceding the first Monday are considered to be in week 0.
Years >
%y Year without century as a decimal number 11
%Y Year with century as a decimal number 2011
%C Century 20
Combinations >
%x Locale's date representation, no time 03/08/11
%X Locale's time representation, no date 15:44:30
%c Locale's date and time representation Tue Mar 8 15:44:59 2011
%F %Y-%m-%d (ISO 8601 date format) 2011-03-08
Others >
%Z Time zone name (no characters if no time zone exists) EST
%z Time zone as hour offset from UTC -0500
%s Seconds since 1970-01-01 00:00:00 UTC (the Epoch) 1299616963
%% A literal '%' character %