NASA Eclipse Records vs. Gospel Darkness: What Data Really Shows

NASA’s astronomical records independently document the eclipse, while a peer-reviewed study published in Nature concluded that the available astronomical and historical evidence points to Friday, April 3, A.D. 33, as the most probable date of Jesus’ death.

But the eclipse does not prove that the darkness described during the crucifixion was caused by an astronomical event. The lunar eclipse occurred that evening, hours after the Gospel accounts place the crucifixion darkness. The evidence therefore provides an intriguing astronomical connection to one proposed date for the crucifixion, but it does not establish the biblical account through astronomy alone.

What the Gospel Accounts Say

The Gospel of Luke describes darkness during Jesus’ crucifixion.

Luke 23:44-45 says it was about the sixth hour when “darkness came over the whole land until the ninth hour,” with the passage traditionally understood as referring to approximately noon through 3 p.m.

Matthew similarly records that darkness covered the land from the sixth hour until the ninth hour.

A conventional solar eclipse cannot readily explain the Gospel chronology. A solar eclipse occurs when the Moon passes between the Earth and the Sun, while a lunar eclipse occurs when the Earth passes between the Sun and Moon.

The astronomical event associated with April 3, A.D. 33, was a lunar, not solar, eclipse.

NASA’s Eclipse Data

NASA’s Five Millennium Catalog of Lunar Eclipses records lunar eclipses across the first century, including the partial lunar eclipse dated April 3, A.D. 33. NASA’s historical eclipse resources also specifically cite the 1983 Nature paper by Colin J. Humphreys and W.G. Waddington, “Dating the Crucifixion,” among the scientific literature concerning historical eclipses.

A lunar eclipse occurs when the Moon moves into Earth’s shadow. During a partial lunar eclipse, only part of the Moon enters the Earth’s darkest shadow, or umbra. NASA explains that the Moon can take on an orange or reddish appearance because some sunlight passes through Earth’s atmosphere before reaching the lunar surface.

NASA describes the same phenomenon as the basis for the term “blood moon.” Atmospheric gases scatter shorter wavelengths of light more readily, while longer red and orange wavelengths are more likely to pass through the atmosphere and illuminate the Moon.

That makes the “blood moon” portion of the claim scientifically plausible in general. But the specific appearance of the A.D. 33 partial eclipse must be treated more cautiously.

The Eclipse Was Visible From Jerusalem — After the Crucifixion

This is where the historical argument becomes more interesting.

In their 1983 Nature paper, Humphreys and Waddington used astronomical calculations to reconstruct the first-century Jewish calendar and identify lunar eclipses potentially visible from Jerusalem. They concluded that the evidence pointed to Friday, April 3, A.D. 33, as the date Jesus died.

The researchers later expanded their argument in a 1992 study published in the Tyndale Bulletin. They wrote that astronomical calculations indicated the eclipse was visible from Jerusalem at moonrise and that April 3, A.D. 33, corresponded to Nisan 14 in their reconstruction of the official Jewish calendar.

But the timing is crucial.

According to the Humphreys-Waddington calculations, the eclipse began at approximately 3:40 p.m. Jerusalem time, while the Moon was still below the horizon. It reached maximum eclipse at about 5:15 p.m., also while below the horizon.

The Moon then rose over Jerusalem at approximately 6:20 p.m., with about 20% of its disk in Earth’s umbral shadow. The eclipse ended approximately 30 minutes later, around 6:50 p.m.

That means the lunar eclipse did not produce the darkness described in Luke from noon until 3 p.m.

Instead, it occurred later that evening.

Why the Timing Matters

The distinction changes what can reasonably be claimed from the evidence.

The argument is not that a lunar eclipse explains the three hours of darkness reported during the crucifixion.

It cannot.

The Moon was below Jerusalem’s horizon for most of the eclipse, and the Moon did not rise until after the Gospel accounts place Jesus’ death.

The more limited argument is that an unusual lunar eclipse occurred on a date that astronomical and historical analysis identifies as a leading candidate for the crucifixion.

That makes the eclipse potentially relevant to dating the event, rather than explaining the darkness.

What About the “Moon Into Blood”?

The connection to Acts 2:20 is one reason the eclipse has attracted attention.

During his speech in Jerusalem, the Apostle Peter quotes the prophet Joel, including the words:

“the sun shall be turned to darkness, and the moon to blood”

The passage appears in Acts 2:20.

Humphreys and Waddington argued that Peter’s reference to the Moon being turned to blood could be understood in connection with the lunar eclipse. Their 1983 study noted that ancient descriptions sometimes used “blood” language for eclipsed moons and argued that Peter’s words were astronomically and calendrically compatible with the April 3 eclipse.

The biblical text itself does not explicitly identify Peter’s reference as a description of the April 3, A.D. 33 lunar eclipse.

Does April 3, A.D. 33 Prove the Crucifixion?

No.

But it is a serious historical hypothesis.

Humphreys and Waddington’s 1983 paper concluded that the evidence pointed to April 3, A.D. 33. Their 1992 Tyndale Bulletin paper likewise argued that the date fit their reconstruction of the Jewish calendar and other chronological evidence concerning Jesus’ life.

NASA’s astronomical calculations provide independent confirmation that the lunar eclipse itself occurred. NASA does not, however, conclude that Jesus was crucified on that date or that the eclipse proves the Gospel accounts.

There are also other proposed dates for the crucifixion, meaning April 3, A.D. 33 should be described as a leading proposed date supported by particular lines of evidence, rather than an established fact beyond dispute.

What the Science Can — and Cannot — Tell Us

The evidence establishes several things.

• First, a partial lunar eclipse occurred on April 3, A.D. 33. NASA’s astronomical resources document the event.
• Second, astronomical calculations published by Humphreys and Waddington indicate that the eclipse was visible from Jerusalem around moonrise that evening, beginning with the Moon partially in Earth’s umbral shadow.
• Third, those researchers concluded that April 3, A.D. 33, was the most probable date of the crucifixion based on a combination of astronomical, calendrical, and historical evidence.

The lunar eclipse does not explain the darkness reported in the Gospels between approximately noon and 3 p.m. The eclipse occurred later, after sunset approached and the Moon rose over Jerusalem.

What Does It Mean for Believers and Skeptics?

For believers, the astronomical evidence provides a potentially significant historical correlation: a lunar eclipse occurred on one of the dates researchers have independently identified as a possible date of Jesus’ crucifixion.

For skeptics, the same evidence demonstrates the limits of what astronomy can establish. Astronomical calculations can reconstruct celestial events and help historians evaluate dates, but they cannot independently determine whether the supernatural elements described in the Gospel accounts occurred.

The most defensible conclusion is therefore narrower: NASA did not accidentally prove the crucifixion of Jesus Christ. But NASA’s astronomical data confirm an eclipse that, together with historical and calendrical research, has been used to support April 3, A.D. 33, as a serious candidate for the date of Jesus’ crucifixion.

Provided by Dallas Express