The synoptic problem concerns how this interrelation came to pass and what the nature of this interrelationship is.
This problem concerns the literary relationships between and among the first three canonical gospels of Mark, Matthew, and Luke collectively known as the synoptic Gospels.
Similarity in word choices and event placement shows an interrelationship.
The bold type in the tables indicates the verses in order for each gospel.
For example, pericopes that are identical except for the difference in bold type shows that the pericope in bold comes before the other reference for the other gospel not in bold face.
Views about the dating of all four Gospels vary greatly from about 60–70 AD until the end of the first century where it is believed the Gospel of John was last written.