fix tz issue when booking in non-utc time

db/booking.ts

@@ -16,10 +16,12 @@ export type Booking = {
   zip: string
   city: string
   bill?: Bill
-  start: string
+  // format YYYY-MM-DD
+  start: string,
   startDate: Date
-  endDate: Date
+  // format YYYY-MM-DD
   end: string
+  endDate: Date
   status?: BOOKING_STATUS
   purpose?: string
   org?: string