Change stats date to be by Pacific time zone

functions/src/update-stats.ts

@@ -1,5 +1,11 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
+import * as dayjs from 'dayjs'
+import * as utc from 'dayjs/plugin/utc'
+import * as timezone from 'dayjs/plugin/timezone'
+dayjs.extend(utc)
+dayjs.extend(timezone)
+
 import { concat, countBy, sortBy, range, zip, uniq, sum, sumBy } from 'lodash'
 import { getValues, log, logMemory } from './utils'
 import { Bet } from '../../common/bet'
@@ -103,7 +109,7 @@ export async function getDailyNewUsers(
 }
 
 export const updateStatsCore = async () => {
-  const today = Date.now()
+  const today = dayjs().tz('America/Pacific').startOf('day').valueOf()
   const startDate = today - numberOfDays * DAY_MS
 
   log('Fetching data for stats update...')

web/pages/stats.tsx

@@ -1,4 +1,3 @@
-import dayjs from 'dayjs'
 import { useEffect, useState } from 'react'
 import {
   DailyCountChart,
@@ -49,6 +48,7 @@ export default function Analytics() {
 
 export function CustomAnalytics(props: Stats) {
   const {
+    startDate,
     d1,
     d1Weekly,
     w1NewUsers,
@@ -66,8 +66,6 @@ export function CustomAnalytics(props: Stats) {
     manaBet,
   } = props
 
-  const startDate = dayjs(props.startDate).add(12, 'hours').valueOf()
-
   const dailyDividedByWeekly = dailyActiveUsers
     .map((dailyActive, i) =>
       Math.round((100 * dailyActive) / weeklyActiveUsers[i])