const time.stdNeedYday

3 uses

	time (current package)
		format.go#L143: 	stdUnderYearDay          = iota + stdNeedYday  // "__2"
		format.go#L171: 	stdNeedYday       = 1 << 9             // need yday
		format.go#L696: 		if yday < 0 && std&stdNeedYday != 0 {