With present technology, it takes approximately 3 days (or about 72 hours) to travel from Earth to the Moon. This duration is based on the Apollo missions conducted by NASA between 1969 and 1972, which used the Saturn V rocket and the Apollo spacecraft to transport astronauts to the Moon.
The specific time required for a trip to the Moon can vary based on several factors, including the spacecraft's speed, trajectory, and the efficiency of propulsion systems. However, since the Apollo missions set the benchmark for lunar travel, subsequent missions and planned future missions have aimed to achieve similar travel times.
It's worth noting that while the Apollo missions reached the Moon in a few days, the duration of a journey to the Moon for potential future missions, such as crewed missions by other space agencies or commercial ventures, may differ based on their mission objectives, spacecraft capabilities, and propulsion systems.