diff --git a/web/src/App.tsx b/web/src/App.tsx
index 27d98e2..10b293d 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -10,7 +10,7 @@ console.log("api host:", import.meta.env.VITE_API_HOST);
 type Section = "aggregator" | "fileManager";
 
 const App: Component = () => {
-    const [getSection, setSection] = createSignal<Section>("fileManager");
+    const [getSection, setSection] = createSignal<Section>("aggregator");
 
     const section = () => getSection() === "aggregator" ? <Aggregator /> : <FileManager />;
 
diff --git a/web/src/aggregator/Aggregator.tsx b/web/src/aggregator/Aggregator.tsx
index a75f8e4..e99dc8e 100644
--- a/web/src/aggregator/Aggregator.tsx
+++ b/web/src/aggregator/Aggregator.tsx
@@ -1,15 +1,18 @@
+import moment from "moment";
 import { createSignal } from "solid-js";
+
 import { Result } from "./Result";
 import { SelectAggregator } from "./SelectAggregator";
 import { SelectCity } from "./SelectCity";
 import { SelectTimeRange } from "./SelectTimeRange";
 
-const dayAgoMs = Date.now() - 24 * 60 * 60 * 1000;
+const nowRounded = new Date(new Date().setMinutes(30));
+const dayAgo = moment(nowRounded).subtract(1, "days").subtract(30, "minutes").toDate();
 
 export function Aggregator() {
     const [getCities, setCities] = createSignal<Set<string>>(new Set([]));
-    const [getStart, setStart] = createSignal(new Date(dayAgoMs));
-    const [getEnd, setEnd] = createSignal(new Date());
+    const [getStart, setStart] = createSignal(dayAgo);
+    const [getEnd, setEnd] = createSignal(nowRounded);
     const [getField, setField] = createSignal("tempMax");
     const [getKey, setKey] = createSignal("max");
 
diff --git a/web/src/aggregator/Result.tsx b/web/src/aggregator/Result.tsx
index a00ab74..2f8e1c9 100644
--- a/web/src/aggregator/Result.tsx
+++ b/web/src/aggregator/Result.tsx
@@ -17,7 +17,6 @@ export const Result: Component<{
     const [getTimestamp, setTimestamp] = createSignal<number>(0);
 
     const fetchQuery = async (timestamp: number) => {
-        console.log("query:", new Date(timestamp));
         if (cities() === "") return "ERROR: Select cities!";
         await new Promise(resolve => setTimeout(resolve, 500))
         const response = await fetch(`${apiHost}/api/query/${queryStart()}-${queryEnd()}/${cities()}/${props.getField()}/${props.getKey()}`);