diff --git a/redisinsight/ui/src/utils/formatters/utils.ts b/redisinsight/ui/src/utils/formatters/utils.ts
index f81824b5dd..5df09e3b4f 100644
--- a/redisinsight/ui/src/utils/formatters/utils.ts
+++ b/redisinsight/ui/src/utils/formatters/utils.ts
@@ -11,3 +11,17 @@ export const bufferFormatRangeItems = (
 
   return newItems
 }
+
+export const convertTimestampToMilliseconds = (value: string): number => {
+  // seconds, microseconds, nanoseconds to milliseconds
+  switch (parseInt(value, 10).toString().length) {
+    case 10:
+      return +value * 1000
+    case 16:
+      return +value / 1000
+    case 19:
+      return +value / 1000000
+    default:
+      return +value
+  }
+}
diff --git a/redisinsight/ui/src/utils/formatters/valueFormatters.tsx b/redisinsight/ui/src/utils/formatters/valueFormatters.tsx
index 190a4d0f1e..da3c0ab752 100644
--- a/redisinsight/ui/src/utils/formatters/valueFormatters.tsx
+++ b/redisinsight/ui/src/utils/formatters/valueFormatters.tsx
@@ -25,6 +25,7 @@ import {
   bufferToFloat64Array,
   bufferToFloat32Array,
   checkTimestamp,
+  convertTimestampToMilliseconds,
 } from 'uiSrc/utils'
 import { reSerializeJSON } from 'uiSrc/utils/formatters/json'
 
@@ -152,11 +153,13 @@ const formattingBuffer = (
       }
     }
     case KeyValueFormat.DateTime: {
-      const value = bufferToUnicode(reply)
+      const value = bufferToUnicode(reply)?.trim()
       try {
         if (checkTimestamp(value)) {
-          // formatting to DateTime only from timestamp(the number of milliseconds since January 1, 1970, UTC)
-          return { value: formatDateFns(new Date(+value), DATETIME_FORMATTER_DEFAULT), isValid: true }
+          // formatting to DateTime only from timestamp(the number of milliseconds since January 1, 1970, UTC).
+          // if seconds - add milliseconds (since JS Date works only with milliseconds)
+          const timestamp = convertTimestampToMilliseconds(value)
+          return { value: formatDateFns(timestamp, DATETIME_FORMATTER_DEFAULT), isValid: true }
         }
       } catch (e) {
         // if error return default
diff --git a/redisinsight/ui/src/utils/tests/validations.spec.ts b/redisinsight/ui/src/utils/tests/validations.spec.ts
index 2053a0e04c..1b3181ec4e 100644
--- a/redisinsight/ui/src/utils/tests/validations.spec.ts
+++ b/redisinsight/ui/src/utils/tests/validations.spec.ts
@@ -41,7 +41,7 @@ const checkTimestampTests = [
   { input: '1234567891234567891', expected: true },
   { input: '1234567891.2', expected: true },
   // it should be valid timestamp (for date < 1970)
-  { input: '-1234567891', expected: true },
+  { input: '-123456789', expected: true },
   { input: '', expected: false },
   { input: '-', expected: false },
   { input: '0', expected: false },
diff --git a/redisinsight/ui/src/utils/validations.ts b/redisinsight/ui/src/utils/validations.ts
index 44d3619ff8..16b9fe412b 100644
--- a/redisinsight/ui/src/utils/validations.ts
+++ b/redisinsight/ui/src/utils/validations.ts
@@ -129,22 +129,24 @@ export const getApproximatePercentage = (total?: number, part: number = 0): stri
 }
 
 export const IS_NUMBER_REGEX = /^-?\d*(\.\d+)?$/
-export const IS_TIMESTAMP = /^-?(\d{10}|\d{13}|\d{16}|\d{19})$/
+export const IS_TIMESTAMP = /^(\d{10}|\d{13}|\d{16}|\d{19})$/
+export const IS_NEGATIVE_TIMESTAMP = /^-(\d{9}|\d{12}|\d{15}|\d{18})$/
 export const IS_INTEGER_NUMBER_REGEX = /^\d+$/
 
 const detailedTimestampCheck = (value: string) => {
   try {
     // test integer to be of 10, 13, 16 or 19 digits
     const integerPart = parseInt(value, 10).toString()
-    if (!IS_TIMESTAMP.test(integerPart)) {
-      return false
-    }
-    if (integerPart.length === value.length) {
-      return true
+
+    if (IS_TIMESTAMP.test(integerPart) || IS_NEGATIVE_TIMESTAMP.test(integerPart)) {
+      if (integerPart.length === value.length) {
+        return true
+      }
+      // check part after dot separator (checking floating numbers)
+      const subPart = value.replace(integerPart, '')
+      return IS_INTEGER_NUMBER_REGEX.test(subPart.substring(1, subPart.length))
     }
-    // check part after dot separator (checking floating numbers)
-    const subPart = value.replace(integerPart, '')
-    return IS_INTEGER_NUMBER_REGEX.test(subPart.substring(1, subPart.length))
+    return false
   } catch (err) {
     // ignore errors
     return false