VERSAILLES, France, Oct 16, 2026 - Member nations at the 28th CGPM meeting have voted to adopt a resolution establishing an international lunar reference time scale.^[1] The formal resolution, designated Resolution 6, comes as multiple national space agencies develop lunar orbit navigation satellite systems that will require a shared common time standard.^{[2] [3]} Precise agreed timekeeping is not an administrative formality for lunar work. Pascal Defraigne, physicist at the Royal Observatory of Belgium, stated the common time standard is required for safe spacecraft landings and rover navigation.^[4] NASA official Joel Parker noted that 1 metre navigation accuracy on the lunar surface requires time precision at the nanosecond level. No existing Earth time scale can reliably deliver this accuracy for assets operating on the Moon.^[5] Impact Insight. Time passes slightly faster on the Moon than on Earth, due to the weaker lunar gravitational field. Without a single agreed reference, every mission would operate on its own independent clock, making coordinated manoeuvres, landing approaches and cross-mission work unsafe. This resolution resolves one of the quiet, unglamorous technical prerequisites for any sustained human presence beyond Earth orbit. For planetary defense, the same precise timekeeping underpins tracking objects and steering spacecraft far from Earth.