Since the Bible places Christ’s death at the time of the Jewish Passover, the dating should have been easy.
However, reconciling the Jewish lunar calendar (which has 12 months of 30 days each and adds an extra “month” every third year) with Greek and Roman calendars proved to be difficult.
Though it may sound strange to our modern minds, it is likely that early Christians did not place any particular value on birthdays.
This makes it hard to conclude when Jesus was really born.
6 And while they were there, the time came for her to give birth.
Though the gospels of Matthew and Luke both give an account of Christ’s birth, neither one provides a date for this great event.However, during last 30-40 years, several new scientific tools and techniques have been developed, which are capable to determining the dates of any ancient events in scientific and precise manner.For example: Multi-disciplinary scientific research reports, prepared during last three- four decades by making use of such scientific tools and techniques, were used for dating the events narrated in Valmiki Ramayan and resuts were amazing! Moon near the star Punar vasu (Pollux) in Gemini Constellation. This data was entered into the ‘Planetarium Gold’ software, the results indicated that this was exactly the location of planets/stars vis-à-vis zodiac constellations on the 10th of January noon time in the year 5114 BC if viewed from latitude/longitude of Ayodhya (25°N 81°E). By making use of software to convert solar calendar into lunar calendar, it was found that this date also happened to be the 9th day of Shukla Paksha in ‘Chaitra’ month and the time was around 12 to 1 noontime.8 And in the same region there were shepherds out in the field, keeping watch over their flock by night.9 And an angel of the Lord appeared to them, and the glory of the Lord shone around them, and they were filled with fear. For to us a child is born, to us a son is given; and the government shall be upon his shoulder, and his name shall be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace.Therefore some people started travelling from south to north.