const time.January

4 uses

	time (current package)
		format.go#L1133: 			month = int(January)
		time.go#L276: 	January Month = 1 + iota
		time.go#L292: 	if January <= m && m <= December {

	archive/zip
		reader.go#L384: 				epoch := time.Date(1601, time.January, 1, 0, 0, 0, 0, time.UTC)