const time.stdHour12

4 uses

	time (current package)
		format.go#L106: 	stdHour12                                      // "3"
		format.go#L212: 			return layout[0:i], stdHour12, layout[i+1:]
		format.go#L589: 		case stdHour12:
		format.go#L925: 		case stdHour12, stdZeroHour12: