4.6.7 first pr (#726)

packages/global/common/math/date.ts

@@ -0,0 +1,10 @@
+// The number of days left in the month is calculated as 30 days per month, and less than 1 day is calculated as 1 day
+export const getMonthRemainingDays = () => {
+  const now = new Date();
+  const year = now.getFullYear();
+  const month = now.getMonth();
+  const date = now.getDate();
+  const days = new Date(year, month + 1, 0).getDate();
+  const remainingDays = days - date;
+  return remainingDays + 1;
+};