diff --git a/CHANGELOG.md b/CHANGELOG.md
index 632750e1e..7842575dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,10 +11,13 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 
 ### Added
 
+- `$currentISODate$` as a new possible value to `set-cookie`, `set-cookie-reload`,
+  `set-local-storage-item` and `set-session-storage-item` scriptlets [#435]
 - new values to `set-cookie` and `set-cookie-reload` scriptlets: `essential`, `nonessential` [#436]
 - `trusted-set-session-storage-item` scriptlet [#426]
 
 [Unreleased]: https://github.com/AdguardTeam/Scriptlets/compare/v1.11.6...HEAD
+[#435]: https://github.com/AdguardTeam/Scriptlets/issues/435
 [#436]: https://github.com/AdguardTeam/Scriptlets/issues/436
 [#426]: https://github.com/AdguardTeam/Scriptlets/issues/426
 
diff --git a/src/helpers/parse-keyword-value.ts b/src/helpers/parse-keyword-value.ts
index fdac30e97..9bc57e35f 100644
--- a/src/helpers/parse-keyword-value.ts
+++ b/src/helpers/parse-keyword-value.ts
@@ -12,6 +12,7 @@
 export const parseKeywordValue = (rawValue: string): string => {
     const NOW_VALUE_KEYWORD = '$now$';
     const CURRENT_DATE_KEYWORD = '$currentDate$';
+    const CURRENT_ISO_DATE_KEYWORD = '$currentISODate$';
 
     let parsedValue = rawValue;
 
@@ -21,6 +22,9 @@ export const parseKeywordValue = (rawValue: string): string => {
     } else if (rawValue === CURRENT_DATE_KEYWORD) {
         // Set to current date e.g 'Tue Nov 08 2022 13:53:19 GMT+0300'
         parsedValue = Date();
+    } else if (rawValue === CURRENT_ISO_DATE_KEYWORD) {
+        // Set to current date e.g '2022-11-08T13:53:19.650Z'
+        parsedValue = new Date().toISOString();
     }
 
     return parsedValue;
diff --git a/src/scriptlets/trusted-set-cookie-reload.js b/src/scriptlets/trusted-set-cookie-reload.js
index 153a063a6..a2cb9d530 100644
--- a/src/scriptlets/trusted-set-cookie-reload.js
+++ b/src/scriptlets/trusted-set-cookie-reload.js
@@ -36,6 +36,8 @@ import {
  *     - empty string for no value
  *     - `$now$` keyword for setting current time in ms, e.g 1667915146503
  *     - `$currentDate$` keyword for setting current time as string, e.g 'Tue Nov 08 2022 13:53:19 GMT+0300'
+ *     - `$currentISODate$` keyword for setting current date in the date time string format,
+ *       e.g '2022-11-08T13:53:19.650Z'
  * - `offsetExpiresSec` — optional, offset from current time in seconds, after which cookie should expire;
  *   defaults to no offset. Possible values:
  *     - positive integer in seconds
diff --git a/src/scriptlets/trusted-set-cookie.js b/src/scriptlets/trusted-set-cookie.js
index 591e5cee2..bbb5a9659 100644
--- a/src/scriptlets/trusted-set-cookie.js
+++ b/src/scriptlets/trusted-set-cookie.js
@@ -33,6 +33,8 @@ import {
  *     - empty string for no value
  *     - `$now$` keyword for setting current time in ms, e.g 1667915146503
  *     - `$currentDate$` keyword for setting current time as string, e.g 'Tue Nov 08 2022 13:53:19 GMT+0300'
+ *     - `$currentISODate$` keyword for setting current date in the date time string format,
+ *       e.g '2022-11-08T13:53:19.650Z'
  * - `offsetExpiresSec` — optional, offset from current time in seconds, after which cookie should expire;
  *   defaults to no offset. Possible values:
  *     - positive integer in seconds
diff --git a/src/scriptlets/trusted-set-local-storage-item.js b/src/scriptlets/trusted-set-local-storage-item.js
index 18b8b1265..633fb5ff3 100644
--- a/src/scriptlets/trusted-set-local-storage-item.js
+++ b/src/scriptlets/trusted-set-local-storage-item.js
@@ -26,6 +26,8 @@ import {
  *     - `$now$` keyword for setting current time in ms, corresponds to `Date.now()` and `(new Date).getTime()` calls
  *     - `$currentDate$` keyword for setting string representation of the current date and time,
  *       corresponds to `Date()` and `(new Date).toString()` calls
+ *     - `$currentISODate$` keyword for setting current date in the date time string format,
+ *       corresponds to `(new Date).toISOString()` call, e.g '2022-11-08T13:53:19.650Z'
  *
  * ### Examples
  *
diff --git a/src/scriptlets/trusted-set-session-storage-item.ts b/src/scriptlets/trusted-set-session-storage-item.ts
index bd9753af6..6fd4a7dd8 100644
--- a/src/scriptlets/trusted-set-session-storage-item.ts
+++ b/src/scriptlets/trusted-set-session-storage-item.ts
@@ -26,6 +26,8 @@ import {
  *     - `$now$` keyword for setting current time in ms, corresponds to `Date.now()` and `(new Date).getTime()` calls
  *     - `$currentDate$` keyword for setting string representation of the current date and time,
  *       corresponds to `Date()` and `(new Date).toString()` calls
+ *     - `$currentISODate$` keyword for setting current date in the date time string format,
+ *       corresponds to `(new Date).toISOString()` call, e.g '2022-11-08T13:53:19.650Z'
  *
  * ### Examples
  *
diff --git a/tests/scriptlets/trusted-set-cookie.test.js b/tests/scriptlets/trusted-set-cookie.test.js
index b03eade5a..f18884a59 100644
--- a/tests/scriptlets/trusted-set-cookie.test.js
+++ b/tests/scriptlets/trusted-set-cookie.test.js
@@ -77,6 +77,42 @@ test('Set cookie with current time value', (assert) => {
     clearCookie(cName);
 });
 
+test('Set cookie with current date value', (assert) => {
+    const cName = '__test-cookie_current_date';
+    const cValue = '$currentDate$';
+
+    runScriptlet(name, [cName, cValue]);
+
+    assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+    assert.strictEqual(document.cookie.includes(cName), true, 'Cookie name has been set');
+
+    const cookieValue = parseCookieString(document.cookie)[cName];
+    const currentDate = Date();
+    // Check only first 4 parts of the date (e.g. 'Tue Nov 08 2022')
+    const dateToCheck = currentDate.split(' ', 4).join(' ');
+
+    assert.ok(cookieValue.startsWith(dateToCheck), 'Cookie value has been set to current date');
+    clearCookie(cName);
+});
+
+test('Set cookie with current ISO time value', (assert) => {
+    const cName = '__test-cookie_current_iso_date';
+    const cValue = '$currentISODate$';
+
+    runScriptlet(name, [cName, cValue]);
+
+    assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+    assert.strictEqual(document.cookie.includes(cName), true, 'Cookie name has been set');
+
+    const cookieValue = parseCookieString(document.cookie)[cName];
+    const currentIsoTime = new Date().toISOString();
+    // Check only the date part of the ISO time (e.g. '2022-11-08')
+    const isoTimeToCheck = currentIsoTime.split('T')[0];
+
+    assert.ok(cookieValue.startsWith(isoTimeToCheck), 'Cookie value has been set to current ISO time');
+    clearCookie(cName);
+});
+
 test('Set cookie with expires', (assert) => {
     const cName = '__test-cookie_expires';
     const cValue = 'expires';
diff --git a/tests/scriptlets/trusted-set-local-storage-item.test.js b/tests/scriptlets/trusted-set-local-storage-item.test.js
index e6c67aa7a..cd0442965 100644
--- a/tests/scriptlets/trusted-set-local-storage-item.test.js
+++ b/tests/scriptlets/trusted-set-local-storage-item.test.js
@@ -137,4 +137,21 @@ if (isSafariBrowser()) {
 
         clearStorageItem(iName);
     });
+
+    test('Set localStorage item with $currentISODate$ keyword value', (assert) => {
+        const iName = '__test-item_current_iso_date';
+        const iValue = '$currentISODate$';
+
+        runScriptlet(name, [iName, iValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+
+        const value = localStorage.getItem(iName);
+        const currentIsoTime = new Date().toISOString();
+        // Check only the date part of the ISO time (e.g. '2022-11-08')
+        const isoTimeToCheck = currentIsoTime.split('T')[0];
+
+        assert.ok(value.startsWith(isoTimeToCheck), 'Item value has been set to current ISO time');
+
+        clearStorageItem(iName);
+    });
 }
diff --git a/tests/scriptlets/trusted-set-session-storage-item.test.js b/tests/scriptlets/trusted-set-session-storage-item.test.js
index 855a6ec7a..7d1f8c9cb 100644
--- a/tests/scriptlets/trusted-set-session-storage-item.test.js
+++ b/tests/scriptlets/trusted-set-session-storage-item.test.js
@@ -137,4 +137,21 @@ if (isSafariBrowser()) {
 
         clearStorageItem(iName);
     });
+
+    test('Set sessionStorage item with $currentISODate$ keyword value', (assert) => {
+        const iName = '__test-item_current_iso_date';
+        const iValue = '$currentISODate$';
+
+        runScriptlet(name, [iName, iValue]);
+        assert.strictEqual(window.hit, 'FIRED', 'Hit was fired');
+
+        const value = sessionStorage.getItem(iName);
+        const currentIsoTime = new Date().toISOString();
+        // Check only the date part of the ISO time (e.g. '2022-11-08')
+        const isoTimeToCheck = currentIsoTime.split('T')[0];
+
+        assert.ok(value.startsWith(isoTimeToCheck), 'Item value has been set to current ISO time');
+
+        clearStorageItem(iName);
+    });
 }