diff --git a/core/src/locale/index.ts b/core/src/locale/index.ts
index 39d46a2..9c20cc2 100644
--- a/core/src/locale/index.ts
+++ b/core/src/locale/index.ts
@@ -9,6 +9,7 @@ import es from './es'
 import fr from './fr'
 import hi from './hi'
 import ja from './ja'
+import pl from './pl'
 import pt from './pt'
 import ru from './ru'
 import type { Localization } from './types'
@@ -26,6 +27,7 @@ const locales: Record<string, Localization> = {
   fr,
   hi,
   ja,
+  pl,
 }
 
 class Locale {
diff --git a/core/src/locale/pl.ts b/core/src/locale/pl.ts
new file mode 100644
index 0000000..efb9cf1
--- /dev/null
+++ b/core/src/locale/pl.ts
@@ -0,0 +1,100 @@
+import type { Localization } from './types'
+
+const locale: Localization = {
+  '*': {
+    prefix: 'Każdy',
+    suffix: '',
+    text: 'Nieznany',
+    '*': {
+      empty: { text: 'każdy {{field.id}}' },
+      value: { text: '{{value.text}}' },
+      range: { text: '{{start.text}}-{{end.text}}' },
+      everyX: { text: 'co {{every.value}}' },
+    },
+    month: {
+      '*': { prefix: 'w' },
+      value: { text: '{{value.alt}}' },
+      range: { text: '{{start.alt}}-{{end.alt}}' },
+    },
+    day: {
+      '*': { prefix: 'w' },
+      noSpecific: {
+        text: 'bez określonego dnia',
+      },
+    },
+    dayOfWeek: {
+      '*': { prefix: 'w' },
+      empty: { text: 'każdy dzień tygodnia' },
+      value: { text: '{{value.alt}}' },
+      range: { text: '{{start.alt}}-{{end.alt}}' },
+      noSpecific: {
+        text: 'bez określonego dnia tygodnia',
+      },
+    },
+    hour: {
+      '*': { prefix: 'o' },
+    },
+    minute: {
+      '*': { prefix: ':' },
+    },
+    second: {
+      '*': { prefix: ':' },
+    },
+  },
+  minute: {
+    text: 'Minuta',
+  },
+  hour: {
+    text: 'Godzina',
+    minute: {
+      '*': {
+        prefix: 'o',
+        suffix: 'minut(a)',
+      },
+      empty: { text: 'każda' },
+    },
+  },
+  day: {
+    text: 'Dzień',
+  },
+  week: {
+    text: 'Tydzień',
+  },
+  month: {
+    text: 'Miesiąc',
+    dayOfWeek: {
+      '*': { prefix: 'i' },
+    },
+  },
+  year: {
+    text: 'Rok',
+    dayOfWeek: {
+      '*': { prefix: 'i' },
+    },
+  },
+
+  //quartz format
+  'q-second': {
+    text: 'Sekunda',
+  },
+  'q-minute': {
+    text: 'Minuta',
+    second: {
+      '*': {
+        prefix: 'o',
+        suffix: 'sekund(a)',
+      },
+      empty: { text: 'każda' },
+    },
+  },
+  'q-hour': {
+    text: 'Godzina',
+    minute: {
+      '*': {
+        prefix: 'o',
+      },
+    },
+  },
+}
+
+export default locale