20,000-Year Lunar Phase Calculator
BC 9999 to AD 9999
PHP Program by Jay Tanner - 2025 - Built Around The NASA/JPL Horizons API
Optional Location Name
Geographic GPS Coordinates
Longitude
Latitude
Altitude
m
Base Time Scale
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Daylight / Summer Time
Date and Time
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Download This Program + Phase Images (Approx. 13.2 MB)
N
Phase Angle: 217.5363°
Waning gibbous.
Distance: 357,522.2 km = 222,154.0 mi
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====================================================== TOPOCENTRIC LUNAR PHASE CALCULATOR FOR ANY GIVEN DATE, TIME AND LOCATION Calendar Date/Time AD 2025-Nov-07 22:10:09 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 2025-Nov-07 01:30 On Merid | Transit 73.69° AD 2025-Nov-07 09:45 308.88° NW Set AD 2025-Nov-07 18:18 50.56° NE Rise ###################################################### MOON TOPOCENTRIC EPHEMERIS STATISTICS Calendar Date AD 2025-Nov-07 Local Time 22:10:09 Standard Time Local Time Zone UT-05:00 NOTE: Time Zone is ignored if using the TT time Scale Julian Date 2460987.632048611 UT Right Ascension 05h 29m 32.076s 5.4922432896 h 82° 23' 01.138" 82.383649344° Declination +27° 49' 33.332" +27.825925551° Distance 357,522.2 km 222,154.0 mi 0.00238988851624 AU Angular Diameter 0° 33' 24.719" 2004.719" 0.5568663889° Visual Magnitude -11.912 Horizon Azimuth 84.31° Direction: E Horizon Elevation +36.89° Above Local Horizon Lunar Phase Angle 217.5363° Waning gibbous. 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 -04h 16m 34.028s -4.276118779 h -64° 08' 30.414" -64.141781685° Loc Sidereal Time 01h 12m 58.048s 1.2161245102 h 18° 14' 30.724" 18.241867653° Radial Velocity -0.2138334 km/s -769.80024 km/h -0.1328699 mi/s -478.3316929 mi/h Approaching Observer Delta T (TDB−UT) +69.182635 sec +0d 00h 01m 09.182635s ######################################################