The instance is running on a vServer, running Debian 9.Hi @HExSM,
You should not need to set the time manually, provided the timezone you're using is utilizing DST. How are you hosting this instance? What OS is it running on? How did you check the time on the system?
date +%Z which returned CEST.Founded in 2005, when VoIP was an emerging technology, 3CX has gone on to establish itself as a global leader in business communications.