Most non-Christians agree that Jesus was crucified; just like the 1000s of other “criminals” of the state that the Romans executed. The problem for Christians, however, is the date of Jesus’ death.
Died On Passover Night or Not?
A close examination of New Testament texts reveals that the Books of Matthew, Mark, and Luke all agree that the Last Supper was actually a Passover Seder. Bearing in mind that Jesus was crucified on the very next day following the Last Supper, that would mean that according to all three synoptic Gospels, Jesus was crucified on the first day of Passover, or the 15th day of the Jewish month of Nissan (for example, if tonight were a Passover Seder, then tomorrow would be the first day of Passover).
The author of the Book of John, however, completely contradicts the first three Gospels, and maintains that Jesus was crucified on the eve of Passover, or the 14th day of Nissan. The Book of John reads, “Now it was the day of preparation for the Passover . . . . Then he handed him over to them to be crucified.” (19:14-16)
John’s description of what transpired during the Last Supper is entirely different from the accounts of Matthew, Mark, and Luke. John cannot include a Passover Seder in his version of the Last Supper because the night of the Last Supper fell on the night of the 13th day of Nissan, which was not a holiday. Moreover, John begins his 13th chapter by saying, “Now before the festival of the Passover . . . .”
Conclusion
The Bible two different dates for the death of Jesus. The implications of this contradiction cannot be overstated because both claims cannot be true. Jesus was crucified either of the eve of Passover, which is the 14th day of Nissan, as John contends, or on the first day of Passover, which is the 15th day of Nissan, as the Gospels of Matthew, Mark, and Luke maintain.
How can anything in the Bible be trusted when it is wrong on one of the most important events in the Bible. You believe that the bible is he word of God and that it can’t be wrong. Well, it is wrong.
The Church Of Truth™ 
The meal that Jesus and co ate was the seudah mapheshket – known as the Last Supper. This was something the Galilean Jews did, but the Jerusalem Jews did not. The author of Mark didn’t know about it and so made the mistake of thinking the Last Supper was the Passover, but it wasn’t. The authors of Matthew and Luke didn’t know either and just followed what the author of Mark had said. The crucifxion was on what we call Thursday afternoon. This fits with everything apart from the mistake made by the author of Mark.
The Wholly Holey Holy Babble Book is the word of God. The author of Mark was God. How could there have been a mistake?
You commentary little understands the the issues around the Passover.
First, the lamb was slain on the evening that began the 14th of Nisan. It is slain at twilight (between the two evenings).
The meal that Jesus had with his disciplines, on the 14th of Nisan, was the Passover meal. this was what we would call Thursday evening but it was the sixth day of the week, the preparation day for the Sabbath, that occurred in conjunction with the Passover in that year. The Sabbath, on that year, was the first day of the feast of unleavened bread. The wave sheaf offering was on the Sunday.
There is no disagreement with the gospels, in regard to when Christ died. The problem is in your understanding.
The evidence in the Bible regarding the central saving event of the Christian religion is contradictory. The earliest account is from Paul who does not even make claim to be an eyewitness. He has Jesus crucified by a mythical being from the Gnostic tradition. The four gospels accounts are completely different in significant ways. It is not a matter of understanding. You have no unique insight everyone else lacks. Your interpretation is a deliberate obfuscation of the fact that Christianity’s so-called holy book cannot reach agreement on the most important event of the Christian mythology. The later in time each gospel was written Jesus is further mythologised and romanticised. It is obviously, fiction with further embellishments at each re-telling.
I don’t claim to have insight and yes, it is a “deliberate (obfuscation?)presentation of the fact that …..” Love your last two sentences.