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: 5.5029°
New Moon.
Distance: 361,905 km = 224,877 mi
Approaching Observer With Radial Velocity:
-402.778 km/h = -250.275 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-Jun-25 10:17:18 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-Jun-25 04:11 50.29° NE Rise AD 2025-Jun-25 12:29 On Merid | Transit 74.81° AD 2025-Jun-25 20:42 308.49° NW Set ###################################################### ====================================================== MOON - LOCAL TOPOCENTRIC EPHEMERIS STATISTICS Calendar Date AD 2025-Jun-25 Local Time 10:17:18 UT Standard Time Local Time Zone UT-05:00 NOTE: Time Zone is ignored if using the TT time Scale Julian Date 2460852.137013889 UT Right Ascension 06h 33m 24.357s 6.5567657546 h 98° 21' 05.351" 98.351486319° Declination +27° 46' 50.880" +27.780800044° Distance 361,905 km 224,877 mi 0.00241918478445 AU Angular Diameter 0° 33' 00.442" 1980.442" 0.5501227778° Radial Velocity -0.1118828 km/s -402.77808 km/h -0.0695207 mi/s -250.2746958 mi/h Approaching Observer Phase Angle 5.5029° 0=New 90=FQ 180=Full 270=LQ New Moon. Visual Magnitude -4.578 Horizon Azimuth 110.01° Direction: ESE Horizon Elevation +60.19° Above Local Horizon Local Hour Angle -02h 07m 29.449s -2.124847052 h -31° 52' 21.741" -31.87270578° Loc Sidereal Time 04h 25m 54.907s 4.4319187024 h 66° 28' 43.610" 66.478780536° Delta T (TDB−UT) +69.184274 sec +0d 00h 01m 09.184274s ======================================================