JULIAN           5436 ext/date/date_core.c     return dup_obj_with_new_start(self, JULIAN);
JULIAN           7085 ext/date/date_core.c 		    sg = DBL2NUM(RTEST(sg) ? GREGORIAN : JULIAN);
JULIAN           9186 ext/date/date_core.c     rb_define_const(cDate, "JULIAN", DBL2NUM(JULIAN));