diff --git a/src/locales/ja/parsers/JPCasualDateParser.ts b/src/locales/ja/parsers/JPCasualDateParser.ts
index e0559ef1..293a1ff7 100644
--- a/src/locales/ja/parsers/JPCasualDateParser.ts
+++ b/src/locales/ja/parsers/JPCasualDateParser.ts
@@ -3,7 +3,30 @@ import dayjs from "dayjs";
 import { Meridiem } from "../../../index";
 import * as references from "../../../common/casualReferences";
 
-const PATTERN = /今日|当日|昨日|明日|今夜|今夕|今晩|今朝/i;
+const PATTERN = /今日|きょう|当日|とうじつ|昨日|きのう|明日|あした|今夜|こんや|今夕|こんゆう|今晩|こんばん|今朝|けさ/i;
+
+function normalizeTextToKanji(text: string) {
+    switch (text) {
+        case "きょう":
+            return "今日";
+        case "とうじつ":
+            return "当日";
+        case "きのう":
+            return "昨日";
+        case "あした":
+            return "明日";
+        case "こんや":
+            return "今夜";
+        case "こんゆう":
+            return "今夕";
+        case "こんばん":
+            return "今晩";
+        case "けさ":
+            return "今朝";
+        default:
+            return text;
+    }
+}
 
 export default class JPCasualDateParser implements Parser {
     pattern() {
@@ -11,7 +34,7 @@ export default class JPCasualDateParser implements Parser {
     }
 
     extract(context: ParsingContext, match: RegExpMatchArray) {
-        const text = match[0];
+        const text = normalizeTextToKanji(match[0]);
 
         const date = dayjs(context.refDate);
         const components = context.createParsingComponents();
diff --git a/test/ja/ja_casual.test.ts b/test/ja/ja_casual.test.ts
index 97e8c8b0..472d12b1 100644
--- a/test/ja/ja_casual.test.ts
+++ b/test/ja/ja_casual.test.ts
@@ -3,26 +3,63 @@ import { testSingleCase } from "../test_util";
 
 test("Test - Single Expression", function () {
     testSingleCase(chrono.ja, "今日感じたことを忘れずに", new Date(2012, 8 - 1, 10, 12), (result) => {
-        expect(result.index).toBe(0);
         expect(result.text).toBe("今日");
-
-        expect(result.start).not.toBeNull();
-        expect(result.start.get("year")).toBe(2012);
-        expect(result.start.get("month")).toBe(8);
-        expect(result.start.get("day")).toBe(10);
-
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
+    });
+    testSingleCase(chrono.ja, "きょう感じたことを忘れずに", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("きょう");
         expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
     });
 
     testSingleCase(chrono.ja, "昨日の全国観測値ランキング", new Date(2012, 8 - 1, 10, 12), (result) => {
-        expect(result.index).toBe(0);
         expect(result.text).toBe("昨日");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 9, 12));
+    });
+    testSingleCase(chrono.ja, "きのうの全国観測値ランキング", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("きのう");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 9, 12));
+    });
 
-        expect(result.start).not.toBeNull();
-        expect(result.start.get("year")).toBe(2012);
-        expect(result.start.get("month")).toBe(8);
-        expect(result.start.get("day")).toBe(9);
+    testSingleCase(chrono.ja, "明日の天気は晴れです", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("明日");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 11, 12));
+    });
+    testSingleCase(chrono.ja, "あしたの天気は晴れです", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("あした");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 11, 12));
+    });
 
-        expect(result.start).toBeDate(new Date(2012, 8 - 1, 9, 12));
+    testSingleCase(chrono.ja, "今夜には雨が降るでしょう", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("今夜");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 22));
+    });
+    testSingleCase(chrono.ja, "こんやには雨が降るでしょう", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("こんや");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 22));
+    });
+    testSingleCase(chrono.ja, "今夕には雨が降るでしょう", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("今夕");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 22));
+    });
+    testSingleCase(chrono.ja, "こんゆうには雨が降るでしょう", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("こんゆう");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 22));
+    });
+    testSingleCase(chrono.ja, "今晩には雨が降るでしょう", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("今晩");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 22));
+    });
+    testSingleCase(chrono.ja, "こんばんには雨が降るでしょう", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("こんばん");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 22));
+    });
+
+    testSingleCase(chrono.ja, "今朝食べたパンは美味しかった", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("今朝");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 6));
+    });
+    testSingleCase(chrono.ja, "けさ食べたパンは美味しかった", new Date(2012, 8 - 1, 10, 12), (result) => {
+        expect(result.text).toBe("けさ");
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 6));
     });
 });