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: 299.9193°
Waning morning crescent moon.
Distance: 369,083 km = 229,338 mi
Receding From Observer With Radial Velocity:
+831.675 km/h = +516.779 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-May-22 16:06:17 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-May-22 01:58 93.65° E Rise AD 2025-May-22 07:58 On Merid | Transit 45.84° AD 2025-May-22 14:13 271.40° W Set ###################################################### ====================================================== MOON - LOCAL TOPOCENTRIC EPHEMERIS STATISTICS Calendar Date AD 2025-May-22 Local Time 16:06:17 UT Standard Time Local Time Zone UT-05:00 NOTE: Time Zone is ignored if using the TT time Scale Julian Date 2460818.379363426 UT Right Ascension 00h 08m 21.019s 0.13917190426667 h 2° 05' 15.283" 2.087578564° Declination +1° 31' 42.430" +1.528452749° Distance 369,083 km 229,338 mi 0.00246716948096 AU Angular Diameter 0° 32' 21.924" 1941.924" 0.5394233333° Radial Velocity +0.2310207 km/s +831.67452 km/h +0.1435496 mi/s +516.778588 mi/h Receding From Observer Phase Angle 299.9193° 0=New 90=FQ 180=Full 270=LQ Waning morning crescent moon. Visual Magnitude -8.846 Horizon Azimuth 291.29° Direction: WNW Horizon Elevation -19.25° Below Local Horizon Local Hour Angle +07h 53m 27.210s +7.890891683 h +118° 21' 48.151" +118.363375245° Loc Sidereal Time 08h 01m 48.229s 8.0300635869 h 120° 27' 03.434" 120.4509538035° Delta T (TDB−UT) +69.185098 sec +0d 00h 01m 09.185098s ======================================================