It appears that many times are reported in the local time for the place the event occurred. Sometimes, a carrier will report an earlier time/date - especially when crossing the International Date line headed East!
It appears that the events are listed within the Android App as if they occurred in the user's local time.
Request: When available, keep the recorded events in Coordinated Universal Time internally and display in local time. When the carrier doesn't report Coordinated Universal Time, flag it with a different color time stamp, so we can know which times have been adjusted to our local time - and which times are verbatim carrier reports.