diff --git a/src/regex.ts b/src/regex.ts
index 7ee6208..6a00780 100644
--- a/src/regex.ts
+++ b/src/regex.ts
@@ -675,7 +675,11 @@ export const timeUnitTokenRegex = createRegex()
   .endGroup()
   .anyOf("\t ").zeroOrMore()
   .startCaptureGroup()
-    .letter().oneOrMore()
+    .startGroup()
+      .unicodeChar()
+      .or()
+      .unicodeSymbol()
+    .endGroup().oneOrMore()
   .endGroup()
   .global()
   .toRegExp();
diff --git a/src/utils/time.ts b/src/utils/time.ts
index 1fdbe22..5077dfd 100644
--- a/src/utils/time.ts
+++ b/src/utils/time.ts
@@ -20,17 +20,22 @@ const timeUnitToMinutes: Record<string, number> = {
   seconds: 1 / 60,
   seconde: 1 / 60,
   secondes: 1 / 60,
+  秒: 1 / 60,
   // minutes
   m: 1,
   min: 1,
   minute: 1,
   minutes: 1,
+  分: 1,
+  分間: 1,
   // hours
   h: 60,
   hour: 60,
   hours: 60,
   heure: 60,
   heures: 60,
+  時: 60,
+  時間: 60,
   // days
   d: 1440,
   day: 1440,
@@ -38,6 +43,8 @@ const timeUnitToMinutes: Record<string, number> = {
   j: 1440,
   jour: 1440,
   jours: 1440,
+  日: 1440,
+  日間: 1440,
 };
 
 /**
diff --git a/test/utils_time.test.ts b/test/utils_time.test.ts
index d190978..c807ae9 100644
--- a/test/utils_time.test.ts
+++ b/test/utils_time.test.ts
@@ -115,6 +115,22 @@ describe("parseTimeToMinutes", () => {
       expect(parseTimeToMinutes("2 jours")).toBe(2880);
     });
 
+    it("handles Japanese time units", () => {
+      expect(parseTimeToMinutes("30秒")).toBe(1);
+      expect(parseTimeToMinutes("45 秒")).toBe(1);
+      expect(parseTimeToMinutes("30分")).toBe(30);
+      expect(parseTimeToMinutes("30 分間")).toBe(30);
+      expect(parseTimeToMinutes("1時間")).toBe(60);
+      expect(parseTimeToMinutes("2 時")).toBe(120);
+      expect(parseTimeToMinutes("1日")).toBe(1440);
+      expect(parseTimeToMinutes("2 日間")).toBe(2880);
+    });
+
+    it("parses multiple space-separated Japanese pairs", () => {
+      expect(parseTimeToMinutes("1時間 30分")).toBe(90);
+      expect(parseTimeToMinutes("1日 2時間 30分")).toBe(1590);
+    });
+
     it("handles all second aliases", () => {
       expect(parseTimeToMinutes("60 s")).toBe(1);
       expect(parseTimeToMinutes("60 sec")).toBe(1);