It depends on the drift. I think the vera gets an ntp updates every few minutes already. I have been reading up on ntp and the drifts different machines have and how the different ntp services handle it. If you read some of my older posts, I found that the vera uses two recurring ntp services for long term updates and a third one at boot up which I cleaned up with my mod scripts. I am being a bit anal at the moment and am running testing on my simulator for which the system time is being handled by ubuntu 18.04.2 with a very fancy ntpd service. The more recent ntpd uses a complex algorithm to adjust drift instead of straight updating the time. It makes minor corrections every time it runs and I just set mine up to run once a minute so that the correction never hits 1s. I had chosen on my veramods to keep ntpclient instead of ntpd and I may change this based on what I just learned.
I am trying to validate on my simulator first before deciding if I want to port it to the vera.