diff --git a/src/cli.ts b/src/cli.ts
index 2a19ab7..322392b 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -13,7 +13,7 @@ import {
   Twitter,
   Wakatime,
 } from "./";
-import { zero } from "./common";
+import { sortObject, zero } from "./common";
 
 const INTEGRATIONS = [
   Clockify,
@@ -70,8 +70,8 @@ const cli = async () => {
             for (const month of months) {
               const file = join(".", "data", dir, "summary", "days", year, month);
               const data = (await readJson(file)) as Record<string, any>;
-              Object.values(data).forEach(([day, value]) => {
-                summary[`${zero(year)}-${zero(month)}-${zero(day)}`] = value;
+              Object.entries(data).forEach(([day, value]) => {
+                summary[`${zero(year)}-${zero(month.replace(".json", ""))}-${zero(day)}`] = value;
               });
             }
           }
@@ -80,7 +80,7 @@ const cli = async () => {
       if (Object.keys(summary).length)
         await writeFile(
           join(".", "data", dir, "summary", "days.json"),
-          JSON.stringify(summary, null, 2) + "\n"
+          JSON.stringify(sortObject(summary), null, 2) + "\n"
         );
     }
   } else {
diff --git a/src/common.ts b/src/common.ts
index 90dbafb..23c8e2b 100644
--- a/src/common.ts
+++ b/src/common.ts
@@ -15,3 +15,8 @@ export const write = async (name: string, contents: any) => {
 };
 
 export const zero = (num: string) => (parseInt(num) > 9 ? num : `0${num}`);
+
+export const sortObject = <T>(o: Record<string, T>) =>
+  Object.keys(o)
+    .sort()
+    .reduce((r, k) => ((r[k] = o[k]), r), {} as Record<string, T>);