diff --git a/src/locale/uk.js b/src/locale/uk.js
index fdc9aa656..528327d5d 100644
--- a/src/locale/uk.js
+++ b/src/locale/uk.js
@@ -61,6 +61,16 @@ const locale = {
     yy: relativeTimeWithPlural
   },
   ordinal: n => n,
+  meridiem: (hour) => {
+    if (hour < 4) {
+      return 'ночі'
+    } else if (hour < 12) {
+      return 'ранку'
+    } else if (hour < 17) {
+      return 'дня'
+    }
+    return 'вечора'
+  },
   formats: {
     LT: 'HH:mm',
     LTS: 'HH:mm:ss',
diff --git a/test/locale/uk.test.js b/test/locale/uk.test.js
index 55b4b35de..fc509af8c 100644
--- a/test/locale/uk.test.js
+++ b/test/locale/uk.test.js
@@ -57,3 +57,10 @@ it('hour', () => {
   const result2 = dayjs(str).locale('uk').to(str0, true)
   expect(result2).toEqual('година') // different from moment.js
 })
+
+it('Meridiem', () => {
+  expect(dayjs('2026-01-01 03:00:00').locale('uk').format('A')).toEqual('ночі')
+  expect(dayjs('2026-01-01 11:00:00').locale('uk').format('A')).toEqual('ранку')
+  expect(dayjs('2026-01-01 16:00:00').locale('uk').format('A')).toEqual('дня')
+  expect(dayjs('2026-01-01 20:00:00').locale('uk').format('A')).toEqual('вечора')
+})