{"hrs", []string{"hour", "hr"}, float64(time.Hour)},
	},
	DefaultUnit: Unit{"s", []string{}, float64(time.Second)},
}, {
	Units: []Unit{
		{"n*GCU", []string{"nanogcu"}, 1e-9},
		{"u*GCU", []string{"microgcu"}, 1e-6},
		{"m*GCU", []string{"milligcu"}, 1e-3},
		{"GCU", []string{"gcu"}, 1},
		{"k*GCU", []string{"kilogcu"}, 1e3},
		{"M*GCU", []string{"megagcu"}, 1e6},