Scholars generally agree that Jesus was not born in December, let alone on December 25. However, even if He had been born on that day, the celebration of His birthday would be without scriptural authority (Matthew 28:20; 1 Corinthians 4:6; 2 Thessalonians 2:15; 2 John 9).

So, Even If Jesus Was Born on December 25:

1. Jesus never authorized us to observe His birth. Since he told His apostles the things he wanted us to "observe," and since we may neither add to nor subtract from the things which He "commanded," we may not commemorate His birth (Matthew 28:20; Cf. 7:21-23; 15:8,9; Acts 15:24; 1Corinthians 4:6,17; 11:2; 2 Thessalonians 2:15; 2 Timothy 1:13; 2 John 9). Even though we might be able to point to a specific date and say, "This is the day on which Jesus was born," it would not authorize us to have a special day of worship in celebration of that day.
   
   
2. The apostles did not honor Jesus on His birthday. We are to follow the apostles as they followed Christ and keep the ordinances He gave to them to deliver to us (Luke 10:16; 1 Corinthians 4:6,17; 11:2,23; 1 Thessalonians 4:1-8; 2 Thessalonians 3:4). Has any one ever read a passage that shows that the apostles gave attention to the day Jesus was born? No; therefore, if Jesus was born on December 25, that fact alone would not authorize us to act (Acts 15:24).
   
   
3. New Testament churches did not have special services to celebrate the Savior's birth. The apostle Paul spoke of how the scriptural work and zeal of some local churches, as they acted in accordance with apostolic teaching, provided examples for others (2 Corinthians 9:2; 1 Thessalonians 1:8). Do we ever read where any first-century church noted the birth of Jesus? Did they ever have special worship services to celebrate the wonderful fact that Jesus was born, in Bethlehem, of the blessed virgin Mary? No, they never did.
   
   This is remarkable when we consider that the churches at Jerusalem and Colosse were very diligent in living and laboring in strict accordance with the apostles' doctrine (Acts 2:42; Colossians 2:4-7). Since they were in "order" and "in the apostles' doctrine," does it not seem strange that such a prominent thing as "Christmas" was never mentioned as being part of the life and work of New Testament churches?
   
   
4. There is no divine command, no apostolic example, not even a hint that Christians are to honor the birth of Jesus. Jesus severely criticized those who worshiped Him in accordance with human traditions (Matthew 15:8,9). He did not wish to receive praise in keeping with ordinances invented by men, no matter how well-intentioned they were (Matthew 7:21-27; Luke 6:46; 2 John 9; Cf. Deuteronomy 4:2; Proverbs 30:6).

Conclusion: As Christians, we rejoice that Christ was born, that God so loved the world that He gave His only begotten Son to suffer and die for us (John 3:16). God's word focuses our eyes, not upon the manger, but upon the cross (Galatians 6:14). Thus, while we may enjoy certain national, social, and seasonal holiday customs during what is called, "the Christmas season," let us never be diverted from the true worship of the One who was born to die for us (John 4:24; 1 John 4:14).