prettytime

timeSlots := []struct {
	name string
	t    time.Time
}{
	{name: "Just now", t: time.Now()},
	{name: "Second", t: time.Now().Add(
		time.Hour*time.Duration(0) +
			time.Minute*time.Duration(0) +
			time.Second*time.Duration(1)),
	},
	{name: "SecondAgo", t: time.Now().Add(
		time.Hour*time.Duration(0) +
			time.Minute*time.Duration(0) +
			time.Second*time.Duration(-1)),
	},
	{name: "Minutes", t: time.Now().Add(time.Hour*time.Duration(0) +
		time.Minute*time.Duration(59) +
		time.Second*time.Duration(59))},
	{name: "Tomorrow", t: time.Now().AddDate(0, 0, 1)},
	{name: "Yesterday", t: time.Now().AddDate(0, 0, -1)},
	{name: "Week", t: time.Now().AddDate(0, 0, 7)},
	{name: "WeekAgo", t: time.Now().AddDate(0, 0, -7)},
	{name: "Month", t: time.Now().AddDate(0, 1, 0)},
	{name: "MonthAgo", t: time.Now().AddDate(0, -1, 0)},
	{name: "Year", t: time.Now().AddDate(2, 0, 0)},
	{name: "YearAgo", t: time.Now().AddDate(-2, 0, 0)},
}

for _, timeSlot := range timeSlots {
	fmt.Printf("%s = %v\n", timeSlot.name, Format(timeSlot.t))
}