Concerning the timeline contained within scripture, only 37 events are needed to calculate the duration of time from creation to the new Jerusalem. This 'backbone' acts as a type of checksum whereby the events of the biblical timeline are kept in synch.
The attached file is an easy to follow list of scripture references, and their duration, that transition from one event to the next.
This file can also be found at https://7049biblicaltimelineresearch.org