Skip to main content

Benjamin Oakes

Photo of Ben Oakes

Hi, I'm Ben Oakes and this is my geek blog. Currently, I'm a Ruby/JavaScript Developer at Liaison. Previously, I was a Developer at Continuity and Hedgeye, a Research Assistant in the Early Social Cognition Lab at Yale University and a student at the University of Iowa. I also organize TechCorridor.io, ICRuby, OpenHack Iowa City, and previously organized NewHaven.rb. I have an amazing wife named Danielle Oakes.

strftime cheat sheet

by Ben

strftime:
    %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

Source: the cheat gem (relevant blog post)

Cheat has mostly gone offline, but I still refer to this cheat sheet all the time, years and years later. Perhaps that means that strftime has terrible syntax, but that doesn’t stop it from being ubiquitous.

Comments

You can leave a comment, or trackback from your site. Article comments

Leave a comment