yesterday() Instance Public methods Returns the previous date in this time zone

test(name, &block) Instance Public methods Helper to define a test method

instrument=(boolean) Class Public methods Set to true if cache

assert_no_difference(expression, message = nil, &block) Instance Public methods Assertion

color(text, color, bold=false) Instance Protected methods Set color by using

[](arg) Class Public methods Locate a specific time zone object. If the argument

=~(re) Instance Public methods Compare name and TZInfo identifier to a supplied

to_r() Instance Public methods

httpdate() Instance Public methods Returns a string of the object's date and

exist?(name, options = nil) Instance Public methods Returns true