diff --git a/e2e/__screenshots__/work-orders/work-orders.visual.spec.ts/wo-detail.png b/e2e/__screenshots__/work-orders/work-orders.visual.spec.ts/wo-detail.png
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diff --git a/e2e/__screenshots__/work-orders/work-orders.visual.spec.ts/wo-mobile.png b/e2e/__screenshots__/work-orders/work-orders.visual.spec.ts/wo-mobile.png
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diff --git a/e2e/__screenshots__/work-orders/work-orders.visual.spec.ts/wo-new.png b/e2e/__screenshots__/work-orders/work-orders.visual.spec.ts/wo-new.png
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diff --git a/src/domain/work-orders/utils/wizard-date-utils.ts b/src/domain/work-orders/utils/wizard-date-utils.ts
index 1d1f757b..48a5ddfd 100644
--- a/src/domain/work-orders/utils/wizard-date-utils.ts
+++ b/src/domain/work-orders/utils/wizard-date-utils.ts
@@ -151,6 +151,13 @@ export function parseApptTime(appt: string): { start: string; end: string } {
     }
     return { start: `${pad2(h)}:${single[2]}`, end: "" };
   }
+  const startOnly = appt.trim().match(/^(\d{1,2}):(\d{2})$/);
+  if (startOnly) {
+    return {
+      start: `${startOnly[1].padStart(2, "0")}:${startOnly[2]}`,
+      end: "",
+    };
+  }
   return { start: "", end: "" };
 }
 
diff --git a/src/test/app/(protected)/workorders/appt-time-cell.test.tsx b/src/test/app/(protected)/workorders/appt-time-cell.test.tsx
index 396d72a9..15aea687 100644
--- a/src/test/app/(protected)/workorders/appt-time-cell.test.tsx
+++ b/src/test/app/(protected)/workorders/appt-time-cell.test.tsx
@@ -35,6 +35,12 @@ describe("commitApptTimeSelection", () => {
     expect(onSave).not.toHaveBeenCalled();
   });
 
+  it("clears a stored start-only time when Start is empty", () => {
+    const onSave = vi.fn();
+    commitApptTimeSelection("", "", "09:00", onSave);
+    expect(onSave).toHaveBeenCalledWith("");
+  });
+
   it("saves start only when end is omitted", () => {
     const onSave = vi.fn();
     commitApptTimeSelection("09:00", "", "", onSave);
@@ -93,4 +99,16 @@ describe("ApptTimeCell", () => {
 
     expect(onSave).not.toHaveBeenCalled();
   });
+
+  it("hydrates start-only stored times so Done can clear them", async () => {
+    const user = userEvent.setup();
+    const onSave = vi.fn();
+    render(<ApptTimeCell apptTime="09:00" onSave={onSave} />);
+
+    await user.click(screen.getByRole("button", { name: fmt12("09:00") }));
+    expect(await screen.findByText("Pick end (optional)")).toBeInTheDocument();
+    await user.click(screen.getByRole("button", { name: /^done$/i }));
+
+    expect(onSave).toHaveBeenCalledWith("09:00");
+  });
 });
diff --git a/src/test/domain/work-orders/utils/wizard-date-utils.test.ts b/src/test/domain/work-orders/utils/wizard-date-utils.test.ts
index 8f63bbbf..acf1ce97 100644
--- a/src/test/domain/work-orders/utils/wizard-date-utils.test.ts
+++ b/src/test/domain/work-orders/utils/wizard-date-utils.test.ts
@@ -3,10 +3,21 @@ import {
   fmtDateRange,
   fmtShortDate,
   pad2,
+  parseApptTime,
   rangeDayCount,
   todayIso,
 } from "@/domain/work-orders/utils/wizard-date-utils";
 
+describe("parseApptTime", () => {
+  it("parses a 24-hour start-only value", () => {
+    expect(parseApptTime("09:00")).toEqual({ start: "09:00", end: "" });
+  });
+
+  it("leaves free-text labels unparsed", () => {
+    expect(parseApptTime("AM before 2pm")).toEqual({ start: "", end: "" });
+  });
+});
+
 describe("fmtShortDate", () => {
   it("formats ISO dates as Mon D", () => {
     expect(fmtShortDate("2026-06-08")).toBe("Jun 8");