Plain-language readings of the published work behind a lunar time scale.https://lunartime.org/enhttps://lunartime.org/papers/frequency-differences-earth-moon-clocks/https://lunartime.org/papers/frequency-differences-earth-moon-clocks/Zhang, Muller and Kopeikin model the frequency difference between Earth and lunar clocks in four steps, and name the Doppler term that hides it.Mon, 24 Aug 2026 00:00:00 GMThttps://lunartime.org/papers/international-lunar-reference-frame/https://lunartime.org/papers/international-lunar-reference-frame/Sosnica and colleagues define the Lunar Reference System and give a first realization of the ILRF, with a mean error of 17.6 cm for 2010–2030.Mon, 24 Aug 2026 00:00:00 GMThttps://lunartime.org/papers/lte440-lunar-time-ephemeris/https://lunartime.org/papers/lte440-lunar-time-ephemeris/Lu, Yang and Xie publish LTE440, software that converts between Lunar Coordinate Time, TCB and TDB, with accuracy better than 0.15 ns before 2050.Mon, 24 Aug 2026 00:00:00 GMThttps://lunartime.org/papers/lunar-reference-timescale/https://lunartime.org/papers/lunar-reference-timescale/Bourgoin, Defraigne and Meynadier review the relativistic effects, put figures on three rate relations, and look for a scale traceable to UTC.Mon, 24 Aug 2026 00:00:00 GMThttps://lunartime.org/papers/lunar-time-defraigne-2025/https://lunartime.org/papers/lunar-time-defraigne-2025/Defraigne, Meynadier and Bourgoin compare the candidate reference time scales for the Moon and conclude that TCL can serve without a new scaled scale.Mon, 24 Aug 2026 00:00:00 GMThttps://lunartime.org/papers/lunar-time-in-general-relativity/https://lunartime.org/papers/lunar-time-in-general-relativity/Kopeikin and Kaplan derive Lunar Coordinate Time inside general relativity, at nanosecond precision within Earth's Hill sphere of about 1.5 million km.Mon, 24 Aug 2026 00:00:00 GMThttps://lunartime.org/papers/novamoon-lunar-reference-station/https://lunartime.org/papers/novamoon-lunar-reference-station/Molli, Fienga, Defraigne and co-authors propose NovaMoon, a geodetic and timing payload for ESA's Argonaut lander, aimed at sub-metre positioning.Mon, 24 Aug 2026 00:00:00 GMThttps://lunartime.org/papers/two-birds-with-one-stone/https://lunartime.org/papers/two-birds-with-one-stone/Yang and colleagues propose a time aligned orbit whose clock would read selenoid proper time and convert to Lunar Coordinate Time by a linear step.Mon, 24 Aug 2026 00:00:00 GMT