Time::Format::ISO_8601_DATE
The ISO 8601 date format.
Time::Format::ISO_8601_DATE.parse("2016-02-15") # => 2016-02-15 00:00:00Z
Time::Format::ISO_8601_DATE.format(Time.utc(2016, 2, 15, 4, 35, 50)) # => "2016-02-15"
Class methods
Parses a string into a Time.