const time.stdWeekDay

4 uses

	time (current package)
		format.go#L99: 	stdWeekDay                                     // "Mon"
		format.go#L171: 						return layout[0:i], stdWeekDay, layout[i+3:]
		format.go#L563: 		case stdWeekDay:
		format.go#L899: 		case stdWeekDay: