This has been mentioned here befoere too, here is one example: Timezone Issue with Stored Videos on SoloCam S340 and Video Door Dock e340 - #5 by Mattie.C
The core of the issue seems to be that the Eufy app uses your phone’s local time to display events, rather than the time zone of your HomeBase or cameras. This mismatch can cause events to appear missing or be difficult to locate when you’re traveling.
Eufy mentioned a fix coming but I guess it hasn’t come yet since you still experience it.
They did mention a workaround is to set your phone time to the same time as the HB when viewing videos.
Unfortunately there is no way to know when Eufy plans to fix bugs. They wont give ETAs on them.