Open table

Apple Maps and Open Table are not in sync. Apple Maps, when open to the restaurant location, shows an incorrect time for my reservation (1hour earlier) than the correct time of my reservation in the Open Table app. I might have thought it was an app issue on the restaurant side but I have two reservations at 2 different locations on different days with the exact same issue (Apple Maps shows 1 hour earlier than the actual reservation).

i have, so far:

1) Contacted Open Table. They concluded that the problem lies with Apple/Apple Maps.

2) changed the time settings in 'General' and 'Calendars' to automatic (both on and off) and restarted my iPhone. The issue remained the same.

3) Removed both Apple Maps and Open Table apps and restarted and added the apps again. The issue remained the same.

4) Contacted Apple Support and followed some of the procedures above, and others, to no avail.

How to get Apple Maps and Open Table to have the same, accurate information?

A very first world problem.

thank you for whatever assistance you may provide.