I believe the problem is in the way osTicket makes a determination on the timezone. If you have a server configured to Irish Time (Europe/Dublin), during the summer months you will get a timezone identifier on timestamps returned as IST # dateThu May 17 17 IST 2018Unfortunately, in the osTicket-Admin Panel-Dashboard-Information - it has matched this with Asia/Jerusalem (presumably IST = Israel Summer Time)PHP Settingscgi.fix_pathinfo "1" is recommended if AJAX is not workingdate.timezone Europe/DublinDatabase Information and UsageSchemasupport (localhost)Schema Signature98ad7d550c26ac44340350912296e673Space Used99.66 MiBSpace for Attachments69.93 MiBTimezoneIST (Interpreted as Asia/Jerusalem)The IST comes from mysql directly. If you login to the database server you can see it mysql> show variables like '%time_zone%';+------------------+---------------+| Variable_name | Value |+------------------+---------------+| system_time_zone | IST || time_zone | Europe/Dublin |+------------------+---------------+2 rows in set (0.00 sec)Continued ...