Minor fixes

virtweb_frontend/src/widgets/TimeWidget.tsx

@@ -1,5 +1,6 @@
 import { Tooltip } from "@mui/material";
 import date from "date-and-time";
+import { time } from "../utils/DateUtils";
 
 export function formatDate(time: number): string {
   const t = new Date();
@@ -50,8 +51,8 @@ export function timeDiff(a: number, b: number): string {
   return `${diffYears} years`;
 }
 
-export function timeDiffFromNow(time: number): string {
-  return timeDiff(time, Math.floor(new Date().getTime() / 1000));
+export function timeDiffFromNow(t: number): string {
+  return timeDiff(t, time());
 }
 
 export function TimeWidget(p: { time?: number }): React.ReactElement {