diff --git a/locale/pl-PL.go b/locale/pl-PL.go
new file mode 100644
index 0000000..3123e43
--- /dev/null
+++ b/locale/pl-PL.go
@@ -0,0 +1,114 @@
+package locale
+
+import (
+	"fmt"
+	"math"
+	"time"
+)
+
+var polish = Formatters{
+	-1 << 63:                    func(d time.Duration) string { return fmt.Sprintf("za %.0f lat", math.Ceil(-d.Hours()/(24.0*30*12))) },
+	-17 * (24 * time.Hour) * 30: func(_ time.Duration) string { return "za rok" },
+	-10 * (24 * time.Hour) * 30: func(d time.Duration) string { 
+		months := math.Ceil(-d.Hours()/(24.0*30))
+		if months == 1 {
+			return "za miesiąc"
+		} else if months < 5 {
+			return fmt.Sprintf("za %.0f miesiące", months)
+		} else {
+			return fmt.Sprintf("za %.0f miesięcy", months)
+		}
+	},
+	-45 * (24 * time.Hour):      func(_ time.Duration) string { return "za miesiąc" },
+	-25 * (24 * time.Hour):      func(d time.Duration) string { 
+		days := math.Ceil(-d.Hours()/24.0)
+		if days == 1 {
+			return "za dzień"
+		} else {
+			return fmt.Sprintf("za %.0f dni", days)
+		}
+	},
+	-35 * time.Hour:             func(_ time.Duration) string { return "za dzień" },
+	-21 * time.Hour:             func(d time.Duration) string { 
+		hours := math.Ceil(-d.Hours())
+		if hours == 1 {
+			return "za godzinę"
+		} else if hours < 5 {
+			return fmt.Sprintf("za %.0f godziny", hours)
+		} else {
+			return fmt.Sprintf("za %.0f godzin", hours)
+		}
+	},
+	-89 * time.Minute:           func(_ time.Duration) string { return "za godzinę" },
+	-44 * time.Minute:           func(d time.Duration) string { 
+		minutes := math.Ceil(-d.Minutes())
+		if minutes == 1 {
+			return "za minutę"
+		} else if minutes < 5 {
+			return fmt.Sprintf("za %.0f minuty", minutes)
+		} else {
+			return fmt.Sprintf("za %.0f minut", minutes)
+		}
+	},
+	-89 * time.Second:           func(_ time.Duration) string { return "za minutę" },
+	-44 * time.Second:           func(_ time.Duration) string { return "za kilka sekund" },
+	44 * time.Second:           func(_ time.Duration) string { return "kilka sekund temu" },
+	89 * time.Second:           func(_ time.Duration) string { return "minutę temu" },
+	44 * time.Minute:           func(d time.Duration) string { 
+		minutes := math.Ceil(d.Minutes())
+		if minutes == 1 {
+			return "minutę temu"
+		} else if minutes < 5 {
+			return fmt.Sprintf("%.0f minuty temu", minutes)
+		} else {
+			return fmt.Sprintf("%.0f minut temu", minutes)
+		}
+	},
+	89 * time.Minute:           func(_ time.Duration) string { return "godzinę temu" },
+	21 * time.Hour:             func(d time.Duration) string { 
+		hours := math.Ceil(d.Hours())
+		if hours == 1 {
+			return "godzinę temu"
+		} else if hours < 5 {
+			return fmt.Sprintf("%.0f godziny temu", hours)
+		} else {
+			return fmt.Sprintf("%.0f godzin temu", hours)
+		}
+	},
+	35 * time.Hour:             func(_ time.Duration) string { return "dzień temu" },
+	25 * (24 * time.Hour):      func(d time.Duration) string { 
+		days := math.Ceil(d.Hours()/24.0)
+		if days == 1 {
+			return "dzień temu"
+		} else {
+			return fmt.Sprintf("%.0f dni temu", days)
+		}
+	},
+	45 * (24 * time.Hour):      func(_ time.Duration) string { return "miesiąc temu" },
+	10 * (24 * time.Hour) * 30: func(d time.Duration) string { 
+		months := math.Ceil(d.Hours()/(24.0*30))
+		if months == 1 {
+			return "miesiąc temu"
+		} else if months < 5 {
+			return fmt.Sprintf("%.0f miesiące temu", months)
+		} else {
+			return fmt.Sprintf("%.0f miesięcy temu", months)
+		}
+	},
+	17 * (24 * time.Hour) * 30: func(_ time.Duration) string { return "rok temu" },
+	1<<63 - 1:                  func(d time.Duration) string { 
+		years := math.Ceil(d.Hours()/(24.0*30*12))
+		if years == 1 {
+			return "rok temu"
+		} else if years < 5 {
+			return fmt.Sprintf("%.0f lata temu", years)
+		} else {
+			return fmt.Sprintf("%.0f lat temu", years)
+		}
+	},
+}
+
+func init() {
+	Register("pl", polish)
+	Register("pl-PL", polish)
+}