make content releases use a given offset to the time.

website/common/script/content/constants/schedule.js

@@ -1,4 +1,5 @@
 import moment from 'moment';
+import nconf from 'nconf';
 import SEASONAL_SETS from './seasonalSets';
 import { getRepeatingEvents } from './events';
 
@@ -773,6 +774,8 @@ export const GALA_SCHEDULE = {
   },
 };
 
+const SWITCHOVER_TIME = nconf.get('CONTENT_SWITCHOVER_TIME_OFFSET') || 0;
+
 export const TYPE_SCHEDULE = {
   timeTravelers: FIRST_RELEASE_DAY,
   backgrounds: SECOND_RELEASE_DAY,
@@ -790,7 +793,9 @@ function getDay (date) {
   if (date === undefined) {
     return 0;
   }
-  return date instanceof moment ? date.date() : date.getDate();
+  const checkDate = new Date(date.getTime());
+  checkDate.setHours(checkDate.getHours() - SWITCHOVER_TIME);
+  return checkDate.getDate();
 }
 
 function getMonth (date) {
@@ -871,7 +876,7 @@ function makeMatcherClass (date) {
 function makeEndDate (checkedDate, matcher) {
   let end = moment.utc(checkedDate);
   end.date(TYPE_SCHEDULE[matcher.type]);
-  end.hour(0);
+  end.hour(SWITCHOVER_TIME);
   end.minute(0);
   end.second(0);
   if (matcher.endMonth !== undefined) {

website/common/script/content/gear/sets/armoire.js

@@ -2,6 +2,7 @@ import defaults from 'lodash/defaults';
 import find from 'lodash/find';
 import forEach from 'lodash/forEach';
 import moment from 'moment';
+import nconf from 'nconf';
 import upperFirst from 'lodash/upperFirst';
 import { ownsItem } from '../gear-helper';
 import { ATTRIBUTES } from '../../../constants';
@@ -1832,6 +1833,7 @@ const weapon = {
   },
 };
 
+const SWITCHOVER_TIME = nconf.get('CONTENT_SWITCHOVER_TIME_OFFSET') || 0;
 const releaseDay = 7;
 const releaseDates = {
   somethingSpooky: { year: 2023, month: 10 },
@@ -1888,7 +1890,7 @@ forEach({
 
 function updateReleased (type) {
   const today = moment();
-  const releaseDateEndPart = `${String(releaseDay).padStart(2, '0')}T08:00-0500`;
+  const releaseDateEndPart = `${String(releaseDay).padStart(2, '0')}T${String(SWITCHOVER_TIME).padStart(2, '0')}:00-0500`;
   const returnType = {};
   forEach(type, (gearItem, gearKey) => {
     let released;

website/common/script/fns/datedMemoize.js

@@ -1,10 +1,15 @@
 import moment from 'moment';
+import nconf from 'nconf';
+
+const SWITCHOVER_TIME = nconf.get('CONTENT_SWITCHOVER_TIME_OFFSET') || 0;
 
 function getDay (date) {
   if (date === undefined) {
     return 0;
   }
-  return date instanceof moment ? date.date() : date.getDate();
+  const checkDate = new Date(date.getTime());
+  checkDate.setHours(checkDate.getHours() - SWITCHOVER_TIME);
+  return checkDate.getDate();
 }
 
 function getMonth (date) {