--- strftime version 1 Thu Jul 09 23:13:25 -0700 2009
+++ strftime version 5 Tue Nov 01 10:57:21 -0700 2011
@@ -1,38 +1,75 @@
-%a - The abbreviated weekday name (``Sun'')
+Ruby 1.8.7
+ %a - The abbreviated weekday name (``Sun'')
%A - The full weekday name (``Sunday'')
%b - The abbreviated month name (``Jan'')
%B - The full month name (``January'')
%c - The preferred local date and time representation
%d - Day of the month (01..31)
- %e - Day of the month without leading zeroes (1..31)
%H - Hour of the day, 24-hour clock (00..23)
%I - Hour of the day, 12-hour clock (01..12)
%j - Day of the year (001..366)
- %k - Hour of the day, 24-hour clock w/o leading zeroes ( 0..23)
- %l - Hour of the day, 12-hour clock w/o leading zeroes ( 1..12)
%m - Month of the year (01..12)
%M - Minute of the hour (00..59)
%p - Meridian indicator (``AM'' or ``PM'')
- %P - Meridian indicator (``am'' or ``pm'')
%S - Second of the minute (00..60)
%U - Week number of the current year,
starting with the first Sunday as the first
day of the first week (00..53)
%W - Week number of the current year,
starting with the first Monday as the first
day of the first week (00..53)
%w - Day of the week (Sunday is 0, 0..6)
%x - Preferred representation for the date alone, no time
%X - Preferred representation for the time alone, no date
%y - Year without a century (00..99)
%Y - Year with century
%Z - Time zone name
- %z - Time zone expressed as a UTC offset (``-04:00'')
%% - Literal ``%'' character
t = Time.now
t.strftime("Printed on %m/%d/%Y") #=> "Printed on 04/09/2003"
t.strftime("at %I:%M%p") #=> "at 08:56AM"
- t.strftime("%e %B, %Y") #=> "9 April, 2003"
- t.strftime("%Y-%m-%dT%H:%M:%S") #=> "2003-04-09T08:56:07" (EN 28601)
+
+Ruby 1.9
+ %a - The abbreviated weekday name (``Sun'')
+ %A - The full weekday name (``Sunday'')
+ %b - The abbreviated month name (``Jan'')
+ %B - The full month name (``January'')
+ %c - The preferred local date and time representation
+ %d - Day of the month (01..31)
+ %e - Day of the month,
+ a single digit is preceded by a space (range ' 1' to '31')
+ %F - Equivalent to %Y-%m-%d (the ISO 8601 date format)
+ %H - Hour of the day, 24-hour clock (00..23)
+ %I - Hour of the day, 12-hour clock (01..12)
+ %j - Day of the year (001..366)
+ %L - Millisecond of the second (000..999)
+ %m - Month of the year (01..12)
+ %M - Minute of the hour (00..59)
+ %N - Fractional seconds digits, default is 9 digits (nanosecond)
+ %3N millisecond (3 digits)
+ %6N microsecond (6 digits)
+ %9N nanosecond (9 digits)
+ %p - Meridian indicator (``AM'' or ``PM'')
+ %P - Meridian indicator (``am'' or ``pm'')
+ %s - Number of seconds since 1970-01-01 00:00:00 UTC.
+ %S - Second of the minute (00..60)
+ %U - Week number of the current year,
+ starting with the first Sunday as the first
+ day of the first week (00..53)
+ %W - Week number of the current year,
+ starting with the first Monday as the first
+ day of the first week (00..53)
+ %w - Day of the week (Sunday is 0, 0..6)
+ %x - Preferred representation for the date alone, no time
+ %X - Preferred representation for the time alone, no date
+ %y - Year without a century (00..99)
+ %Y - Year with century
+ %z - Time zone offset from UTC (+/-0000, e.g. EST = -0500)
+ %Z - Time zone name
+ %% - Literal ``%'' character
+
+ t = Time.now #=> 2007-11-19 08:37:48 -0600
+ t.strftime("Printed on %m/%d/%Y") #=> "Printed on 11/19/2007"
+ t.strftime("at %I:%M%p") #=> "at 08:37AM"
