const time.stdUnderYearDay

5 uses

	time (current package)
		format.go#L103: 	stdUnderYearDay                                // "__2"
		format.go#L208: 				return layout[0:i], stdUnderYearDay, layout[i+3:]
		format.go#L577: 		case stdUnderYearDay:
		format.go#L911: 		case stdUnderYearDay, stdZeroYearDay:
		format.go#L913: 				if std == stdUnderYearDay && len(value) > 0 && value[0] == ' ' {