Coordinated Lunar Time concept — calculated well-established physics astronomy. Article live LTC clock moontimenow.com mathematics reference epoch gaƒoƒo alakpa algorithm.
J2000.0 Reference Epoch
Ŋɔli system starting point. Gaƒoƒo ŋɔli calculations J2000.0 epoch: January 1, 2000 12:00:00 UTC (noon). Standard astronomical reference epoch NASA ESA astronomers worldwide.
J2000.0 Julian Date 2451545.0. A epoch gaƒoƒo ŋɔ days elapsed gaƒoƒo ŋɔli Anyigba ŋɔli drifted calculate.
Drift Rate Formula
Core calculation straightforward. Relativistic drift rate +56.02 microseconds ŋɔ. Cumulative drift any moment:
1. Days J2000.0 (fractional days) calculate 2. 56.02 microseconds multiply 3. Offset UTC current ŋɔli add
Example January 1, 2025, ~9,131 ŋɔ J2000.0. Cumulative drift 9,131 × 56.02 = 511,418.62 microseconds o ~0.511 sekondi.
Drift rate Anyigba surface kple gaƒoƒo surface gravitational potential difference orbital velocity corrections. NIST 2024 framework full derivation.
ΔT — Anyigba Rotation Correction
Subtlety astronomical ŋɔli civil ŋɔli convert. Astronomers terrestrial time (TT) uniformly tick, ŋu clocks UTC leap sekondi Anyigba irregular rotation aligned.
TT UTC difference ΔT (delta T). Current era (2015–2035) ΔT ~69.36 sekondi slowly change — ~−0.06 sekondi ƒe. Ŋu calculation international earth rotation service (IERS) data polynomial fit:
ΔT ≈ 69.36 − 0.06 × (year − 2020)
Correction gaƒoƒo ŋɔli properly UTC aligned.
Moon Phase Calculation — Meeus Algorithm
Moon phase calendar Jean Meeus algorithm Astronomical Algorithms (Chapter 49). Method precise new moons full moons quarter moons ŋɔli 25 periodic correction terms gaƒoƒo orbital mechanics.
Algorithm approximate lunation number (k) calculate trigonometric corrections apply gaƒoƒo mean anomaly ƒe mean anomaly gaƒoƒo argument latitude ascending node longitude.
Separate correction tables new moons (table 49.a) full moons (table 49.b) quarter moons (table 49.c/d w correction). Result ~2 miniti u.s. naval observatory data.
Illumination kple Phase Names
Major phases between gaƒoƒo illumination piecewise interpolation quarter ŋɔli calculated. Approach gaƒoƒo varying orbital speed account (perigee faster slow apogee) illumination percentages accurate sinusoidal.
Phase names lunation cycle position assigned: new moon → waxing crescent → first quarter → waxing gibbous → full moon → waning gibbous → last quarter → waning crescent. Phase boundaries calculated phase ŋɔli (fixed fractional positions nu).