move CRON_TIMEZONE declaration into start method

app/workers/reeeper.js

@@ -17,8 +17,6 @@ const {
 
 const { CronJob } = require('cron');
 
-const CRON_TIMEZONE = 'America/New_York';
-
 module.rootPath = path.resolve(__dirname, '..', '..');
 module.pkg = require(path.resolve(__dirname, '..', '..', 'package.json'));
 
@@ -38,7 +36,9 @@ class ReeeperWorker extends SiteWorker {
   }
 
   async start ( ) {
+    const CRON_TIMEZONE = 'America/New_York';
     await super.start();
+
     await this.expireCrashedHosts(); // first-run the expirations
     this.expireJob = new CronJob('*/5 * * * * *', this.expireCrashedHosts.bind(this), null, true, CRON_TIMEZONE);
   }