According to the US government, NASA should set a lunar time. Normal clocks would run slower on the moon than on Earth.

The fact that the USA takes the lead in defining such a standard will “benefit all spacefaring nations” NASA is targeting September 2026 for the first moon landing by an astronaut since the end of the Apollo program in the 1970s. China has said the first taikonauts should reach the moon by 2030. India has set a deadline of 2040.