20,000-Year Lunar Phase Calculator
BC 9999 to AD 9999
PHP Program by Jay Tanner - 2026 - Built Around The NASA/JPL Horizons API
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Longitude
Latitude
Altitude
m
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Date and Time
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Download This Program + Phase Images (Approx. 13.2 MB)
N
Phase Angle: 142.1372°
Waxing gibbous moon.
Distance: 405,149.3 km = 251,748.1 mi
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====================================================== TOPOCENTRIC LUNAR PHASE CALCULATOR FOR ANY GIVEN DATE, TIME AND LOCATION Calendar Date/Time AD 2026-Jul-26 01:15:46 Time Scale: UT Time Zone UT-05:00 (Ignored if TT Scale) Standard Time Location Name Central New York State, USA Longitude = -76.862737° Latitude = +42.904788° Altitude = +150 m Reference Frame ICRF International Celestial Reference Frame Mean refraction is applied to rise/set computations. ###################################################### MOON RISE / TRANSIT / SET TIMES Standard Time Local Date and Time Azim Dir Event Elev -------------------- -------- --- ------- ------ AD 2026-Jul-26 01:35 229.75° SW Set AD 2026-Jul-26 18:09 129.75° SE Rise AD 2026-Jul-26 22:19 On Merid | Transit 18.85° ###################################################### MOON TOPOCENTRIC EPHEMERIS STATISTICS Calendar Date AD 2026-Jul-26 Local Time 01:15:46 Standard Time Local Time Zone UT-05:00 NOTE: Time Zone is ignored if using the TT time Scale Julian Date 2461247.760949074 UT Right Ascension 17h 41m 35.757s 17.6932658768 h 265° 23' 56.357" 265.398988152° Declination -28° 32' 46.896" -28.546360081° Distance 405,149.3 km 251,748.1 mi 0.00270825591952 AU Angular Diameter 0° 29' 29.054" 1769.054" 0.4914038889° Visual Magnitude -11.578 Horizon Azimuth 226.53° Direction: SW Horizon Elevation +2.17° Above Local Horizon Lunar Phase Angle 142.1372° Waxing gibbous moon. Where: 0° = New Moon 45 = Waxing Crescent 90 = First Quarter 135 = Waxing Gibbous 180 = Full Moon 225 = Waning Gibbous 270 = Last Quarter 315 = Waning Crescent 360 = New Moon ###################################################### Local Hour Angle +03h 42m 34.487s +3.709579719 h +55° 38' 37.305" +55.643695785° Loc Sidereal Time 21h 24m 10.244s 21.4028455959 h 321° 02' 33.662" 321.0426839385° Radial Velocity +0.2320246 km/s +835.28856 km/h +0.1441734 mi/s +519.0242484 mi/h Receding From Observer Delta T (TDB−UT) +69.183438 sec +0d 00h 01m 09.183438s ######################################################