End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

DateTime#hour

d.hour → fixnum

static VALUE
d_lite_hour(VALUE self)
{
    get_d1(self);
    return INT2FIX(m_hour(dat));
}

Returns the hour (0-23).

Example

DateTime.new(2001,2,3,4,5,6).hour         #=> 4

See also #as_json #iso8601 .xmlschema #jisx0301 also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0