Ruby time and date classes

ruby_date_time.md

Time

http://www.ruby-doc.org/core-2.0.0/Time.html

require 'time'
Time.parse

http://ruby-doc.org/stdlib-2.0.0/libdoc/time/rdoc/Time.html

Date

http://ruby-doc.org/stdlib-2.0.0/libdoc/date/rdoc/Date.html

require 'date'
DateTime

http://ruby-doc.org/stdlib-2.0.0/libdoc/date/rdoc/DateTime.html

[104] pry(main)> Time.now.strftime("%F %H:%M")
=> "2014-02-19 22:18"

[105] pry(main)> Time.parse(Time.now.strftime("%F %H:%M"))
=> 2014-02-19 22:18:00 +0100

[106] pry(main)> Time.parse(Time.now.strftime("%F %H:%M") + 'Z')
=> 2014-02-19 22:18:00 UTC

[107] pry(main)> Time.parse(Time.now.strftime("%F %H:%M")).utc
=> 2014-02-19 21:18:00 UTC

[108] pry(main)> Time.parse(Time.now.strftime("%F %H:%M") + 'Z').utc
=> 2014-02-19 22:18:00 UTC