I see a lot project using timestamp data type in there databases. I tend to think that this is a bad idea. Dev Is Not Prod Your local setup may have a timezone which reflect your physical location. This may not be the case of your server(s), which could have a specific timezone, or, UTC time. Which is better by the way (more on than later). So you will experience bug and issues if you do not pay attention to it....
I recently migrate a PostgreSQL DB from an ubuntu server VM to Azure PostgreSQL. If you use this DBaaS before, you may have noticed you need to add @<my_instance_name> after your login. For exemple if you create a test_azure_db, your url for this PostgreSQL instance is test_azure_db.postgres.database.azure.com. And imagine the name of your user is remi, to login you need to do psql -h test_azure_db.postgres.database.azure.com -U remi@test_azure. I don’t know what sort of magic Azure is doing, but it gave me an idea....