20,000-Year Moon Phase Calculator For Any Date, Time And Location
BC 9999-Mar-21-Thu 00:00:00.0006 TT to AD 9999-Dec-30-Thu 12:00:00.0011 TT
or
BC 9999-Mar-15-Thu 21:49:54.7144 UT to AD 9999-Dec-30-Thu 11:58:50.8171 UT
PHP Program by Jay Tanner - 2025 - Built Around The NASA/JPL Horizons API
Optional Location Name
Geographic GPS Coordinates
Longitude
Latitude
Altitude
m
Time Zone ?
Time Scale ?
Daylight / Summer Time ?
Date and Time
N
Phase Angle: 77.8168°
Waxing crescent, approaching first quarter moon.
Distance: 373,601 km = 232,145 mi
Receding From Observer With Radial Velocity:
+1267.076 km/h = +787.324 mi/h
Double-Click Within Text Area to Select ALL Text
====================================================== 20,000-YEAR TOPOCENTRIC MOON PHASE CALCULATOR FOR ANY GIVEN DATE, TIME AND LOCATION Calendar Date/Time AD 2025-Apr-03 23:16:19 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-Apr-03 00:32 309.87° NW Set AD 2025-Apr-03 08:57 49.76° NE Rise AD 2025-Apr-03 17:16 On Merid | Transit 75.56° ###################################################### ====================================================== MOON - LOCAL TOPOCENTRIC EPHEMERIS STATISTICS Calendar Date AD 2025-Apr-03 Local Time 23:16:19 UT Standard Time Local Time Zone UT-05:00 NOTE: Time Zone is ignored if using the TT time Scale Julian Date 2460769.677997685 UT Right Ascension 06h 11m 06.650s 6.1851805436667 h 92° 46' 39.749" 92.777708155° Declination +28° 06' 29.028" +28.108063326° Distance 373,601 km 232,145 mi 0.00249737076107 AU Angular Diameter 0° 31' 58.439" 1918.439" 0.5328997222° Radial Velocity +0.3519655 km/s +1267.0758 km/h +0.2187012 mi/s +787.3244005 mi/h Receding From Observer Phase Angle 77.8168° 0=New 90=FQ 180=Full 270=LQ Waxing crescent, approaching first quarter moon. Visual Magnitude -9.697 Horizon Azimuth 289.71° Direction: WNW Horizon Elevation +20.64° Above Local Horizon Local Hour Angle +05h 48m 43.016s +5.811948935 h +87° 10' 45.242" +87.179234025° Loc Sidereal Time 11h 59m 49.666s 11.9971294784 h 179° 57' 24.992" 179.956942176° Delta T (TDB−UT) +69.185636 sec +0d 00h 01m 09.185636s ======================================================