fix: show snapshot time in browser time zone (#101)

src/shared/lib/display.test.ts

@@ -12,9 +12,16 @@ describe("shared display helpers", () => {
 		expect(formatDate("2027-09-10")).toBe("10.09.2027");
 		expect(formatDate("2024-02-29")).toBe("29.02.2024");
 		expect(formatDate("2027-09-10T00:30:00+03:00")).toBe("09.09.2027");
-		expect(formatSnapshotTime("2027-09-10T00:30:00+03:00")).toBe(
-			"09.09.2027, 21:30",
-		);
+	});
+	it("formats snapshot time in the browser time zone", () => {
+		const instant = "2027-09-10T00:30:00+03:00";
+
+		const expected = new Intl.DateTimeFormat("ru-RU", {
+			dateStyle: "short",
+			timeStyle: "short",
+		}).format(new Date(instant));
+
+		expect(formatSnapshotTime(instant)).toBe(expected);
 	});
 	it("formats decimal strings without financial arithmetic", () => {
 		expect(formatMoney({ currency: "RUB", value: "-1234567.89" })).toBe(

src/shared/lib/display.ts

@@ -61,10 +61,10 @@ function formatMoney(
 	return `${formatDecimal(decimal)} ${currency}`;
 }
 
+// Без timeZone Intl берёт часовой пояс браузера пользователя.
 const snapshotFormatter = new Intl.DateTimeFormat("ru-RU", {
 	dateStyle: "short",
 	timeStyle: "short",
-	timeZone: "UTC",
 });
 
 function formatSnapshotTime(value: string): string {