diff --git a/api/@ohos.intl.d.ts b/api/@ohos.intl.d.ts
index 0cbfb8e4cc7db463464282d8fdee70b5a1ecbb83..6750dc884eb95c1b9d54db8f13ade931aad3b8b8 100644
--- a/api/@ohos.intl.d.ts
+++ b/api/@ohos.intl.d.ts
@@ -994,10 +994,9 @@ declare namespace intl {
    * @crossplatform
    * @form
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
    * @useinstead Intl.DateTimeFormatOptions
-   * @arkts 1.1&1.2
    */
   export interface DateTimeOptions {
     /**
@@ -1039,9 +1038,8 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @arkts 1.1&1.2
      */
     locale?: string;
 
@@ -1084,10 +1082,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.dateStyle
-     * @arkts 1.1&1.2
      */
     dateStyle?: string;
 
@@ -1130,10 +1127,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.timeStyle
-     * @arkts 1.1&1.2
      */
     timeStyle?: string;
 
@@ -1176,10 +1172,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.hourCycle
-     * @arkts 1.1&1.2
      */
     hourCycle?: string;
 
@@ -1222,10 +1217,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.timeZone
-     * @arkts 1.1&1.2
      */
     timeZone?: string;
 
@@ -1273,10 +1267,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.numberingSystem
-     * @arkts 1.1&1.2
      */
     numberingSystem?: string;
 
@@ -1321,10 +1314,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.hour12
-     * @arkts 1.1&1.2
      */
     hour12?: boolean;
 
@@ -1367,10 +1359,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.weekday
-     * @arkts 1.1&1.2
      */
     weekday?: string;
 
@@ -1413,10 +1404,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.era
-     * @arkts 1.1&1.2
      */
     era?: string;
 
@@ -1459,10 +1449,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.year
-     * @arkts 1.1&1.2
      */
     year?: string;
 
@@ -1505,10 +1494,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.month
-     * @arkts 1.1&1.2
      */
     month?: string;
 
@@ -1551,10 +1539,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.day
-     * @arkts 1.1&1.2
      */
     day?: string;
 
@@ -1597,10 +1584,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.hour
-     * @arkts 1.1&1.2
      */
     hour?: string;
 
@@ -1643,10 +1629,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.minute
-     * @arkts 1.1&1.2
      */
     minute?: string;
 
@@ -1689,10 +1674,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.second
-     * @arkts 1.1&1.2
      */
     second?: string;
 
@@ -1735,10 +1719,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.timeZoneName
-     * @arkts 1.1&1.2
      */
     timeZoneName?: string;
 
@@ -1781,10 +1764,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.dayPeriod
-     * @arkts 1.1&1.2
      */
     dayPeriod?: string;
 
@@ -1829,10 +1811,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.localeMatcher
-     * @arkts 1.1&1.2
      */
     localeMatcher?: string;
 
@@ -1877,10 +1858,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormatOptions.formatMatcher
-     * @arkts 1.1&1.2
      */
     formatMatcher?: string;
   }
@@ -1913,10 +1893,9 @@ declare namespace intl {
    * @crossplatform
    * @form
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
    * @useinstead Intl.DateTimeFormat
-   * @arkts 1.1&1.2
    */
   export class DateTimeFormat {
     /**
@@ -1947,10 +1926,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.constructor
-     * @arkts 1.1&1.2
      */
     constructor();
 
@@ -1995,10 +1973,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.constructor
-     * @arkts 1.1&1.2
      */
     constructor(locale: string | Array<string>, options?: DateTimeOptions);
 
@@ -2038,10 +2015,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.format
-     * @arkts 1.1&1.2
      */
     format(date: Date): string;
 
@@ -2086,10 +2062,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.formatRange
-     * @arkts 1.1&1.2
      */
     formatRange(startDate: Date, endDate: Date): string;
 
@@ -2125,10 +2100,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.resolvedOptions
-     * @arkts 1.1&1.2
      */
     resolvedOptions(): DateTimeOptions;
   }
diff --git a/api/@ohos.intl.static.d.ets b/api/@ohos.intl.static.d.ets
new file mode 100644
index 0000000000000000000000000000000000000000..21dc7ab49993fda803ccd2cea1152107ea3528a2
--- /dev/null
+++ b/api/@ohos.intl.static.d.ets
@@ -0,0 +1,308 @@
+'use static'
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file
+ * @kit LocalizationKit
+ */
+
+/**
+ * Provides internationalization related APIs.
+ *
+ * @namespace intl
+ * @syscap SystemCapability.Global.I18n
+ * @since 20
+ * @arkts 1.2
+ */
+declare namespace intl {
+  /**
+   * Defines the options for a DateTimeOptions object. Since API version 9, the DateTimeOptions attribute is changed
+   * from mandatory to optional.
+   *
+   * @interface DateTimeOptions
+   * @syscap SystemCapability.Global.I18n
+   * @since 20
+   * @arkts 1.2
+   */
+  export interface DateTimeOptions {
+    /**
+     * Valid locale ID, for example, "zh-Hans-CN". The default value is the current system locale. 
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    locale?: string;
+
+    /**
+     * Date display format. The value can be: "long", "short", "medium", "full", or "auto".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    dateStyle?: string;
+
+    /**
+     * Time display format. The value can be: "long", "short", "medium", "full", or "auto".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    timeStyle?: string;
+
+    /**
+     * Hour cycle. The value can be: "h11", "h12", "h23", or "h24". 
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    hourCycle?: string;
+
+    /**
+     * Time zone in use. The value is a valid IANA time zone ID. 
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    timeZone?: string;
+
+    /**
+     * Numbering system. The value can be: "adlm", "ahom", "arab", "arabext", "bali", "beng", "bhks",
+     * "brah", "cakm", "cham", "deva", "diak", "fullwide", "gong", "gonm", "gujr", "guru", "hanidec", "hmng", "hmnp",
+     * "java", "kali", "khmr", "knda", "lana", "lanatham", "laoo", "latn", "lepc", "limb", "mathbold", "mathdbl",
+     * "mathmono", "mathsanb", "mathsans", "mlym", "modi", "mong", "mroo", "mtei", "mymr", "mymrshan", "mymrtlng",
+     * "newa", "nkoo", "olck", "orya", "osma", "rohg", "saur", "segment", "shrd", "sind", "sinh", "sora", "sund",
+     * "takr", "talu", "tamldec", "telu", "thai", "tibt", "tirh", "vaii", "wara", or "wcho".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    numberingSystem?: string;
+
+    /**
+     * Whether to use the 12-hour clock. The value true means to use the 12-hour clock, and the value false means the
+     * opposite. If both hour12 and hourCycle are set, hourCycle does not take effect. If hour12 and hourCycle are not
+     * set and the 24-hour clock is turned on, the default value of hour12 is false.
+     *
+     * @type { ?boolean }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    hour12?: boolean;
+
+    /**
+     * Week display format. The value can be: "long", "short", "narrow", or "auto".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    weekday?: string;
+
+    /**
+     * Epoch display format. The value can be: "long", "short", "narrow", or "auto".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    era?: string;
+
+    /**
+     * Year display format. The value can be: "numeric" or "2-digit".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    year?: string;
+
+    /**
+     * Month display format. The value can be: "numeric", "2-digit", "long", "short", "narrow", or "auto".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    month?: string;
+
+    /**
+     * Day display format. The value can be: "numeric" or "2-digit".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    day?: string;
+
+    /**
+     * Hour display format. The value can be: "numeric" or "2-digit".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    hour?: string;
+
+    /**
+     * Minute display format. The value can be: "numeric" or "2-digit".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    minute?: string;
+
+    /**
+     * Second display format. The value can be: "numeric" or "2-digit".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    second?: string;
+
+    /**
+     * Localized representation of a time zone name. The value can be: "long", "short", or "auto".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    timeZoneName?: string;
+
+    /**
+     * Time period display format. The value can be: "long", "short", "narrow", or "auto".
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    dayPeriod?: string;
+
+    /**
+     * Locale matching algorithm. The value can be:
+     * "lookup": exact match.
+     * "best fit": best match.
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    localeMatcher?: string;
+
+    /**
+     * Format matching algorithm. The value can be:
+     * "basic": exact match.
+     * "best fit": best match.
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    formatMatcher?: string;
+  }
+
+  /**
+   * Provides the API for formatting date strings.
+   *
+   * @syscap SystemCapability.Global.I18n
+   * @since 20
+   * @arkts 1.2
+   */
+  export class DateTimeFormat {
+    /**
+     * Creates a DateTimeOptions object for the specified locale.
+     *
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    constructor();
+
+    /**
+     * Creates a DateTimeOptions object for the specified locale.
+     *
+     * @param { string | Array<string> } locale - Locale ID or locale ID array. If the input is a locale ID array, the
+     *     first valid locale ID is used.
+     * @param { DateTimeOptions } [options] - Options for creating the DateTimeOptions object.<br>If no options are
+     *     set, the default values of year, month, and day are numeric.
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    constructor(locale: string | Array<string>, options?: DateTimeOptions);
+
+    /**
+     * Formats the date and time.
+     *
+     * @param { Date } date - Date and time. Note: The month starts from 0. For example, 0 indicates January.
+     * @returns { string } A string containing the formatted date and time.
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    format(date: Date): string;
+
+    /**
+     * Formats date and time ranges.
+     *
+     * @param { Date } startDate - Start date and time. Note: The month starts from 0. For example, 0 indicates
+     *     January.
+     * @param { Date } endDate - End date and time. Note: The month starts from 0. For example, 0 indicates January.
+     * @returns { string } a date string formatted based on the specified locale.
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    formatRange(startDate: Date, endDate: Date): string;
+
+    /**
+     * Obtains the options for creating a DateTimeOptions object.
+     *
+     * @returns { DateTimeOptions } Options for the DateTimeOptions object.
+     * @syscap SystemCapability.Global.I18n
+     * @since 20
+	   * @arkts 1.2
+     */
+    resolvedOptions(): DateTimeOptions;
+  }
+}
+export default intl;