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

instance method

Date#gregorian

d.gregorian → date

static VALUE
d_lite_gregorian(VALUE self)
{
    return dup_obj_with_new_start(self, GREGORIAN);
}

This method is equivalent to new_start(Date::GREGORIAN).

See also #gregorian? #friday? #fill #hour also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0