ruby strftime parameters

ruby strftime parameters are not mentioned in the ruby api but are instead specified in the time.c source which can be found at http://ruby-doc.org/.


/*
* call-seq:
* time.strftime( string ) => string
*
* Formats time according to the directives in the given format
* string. Any text not listed as a directive will be passed through
* to the output string.
*
* Format meaning:
* %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)
* %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)
* %m - Month of the year (01..12)
* %M - Minute of the hour (00..59)
* %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
* %% - 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"
*/

  1. Adam says:

    It consistently annoys me that Ruby’s strftime doesn’t have ordinals (’st’, ‘nd’, ‘rd’, ‘th’)

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