20,000-Year Lunar Phase Calculator
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
Base Time Scale
Time Zone
Daylight / Summer Time
Date and Time
View PHP Source Code
Download This Program + Phase Images (Approx. 13.2 MB)
N
Phase Angle: 212.601°
Waning gibbous.
Distance: 393,048.9 km = 244,229.3 mi
Double-Click Within Text Area to Select ALL Text
====================================================== TOPOCENTRIC LUNAR PHASE CALCULATOR FOR ANY GIVEN DATE, TIME AND LOCATION Calendar Date/Time AD 2025-Jun-13 20:34:05 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-13 01:48 On Merid | Transit 19.08° AD 2025-Jun-13 06:03 231.66° SW Set AD 2025-Jun-13 22:18 125.90° SE Rise ###################################################### MOON TOPOCENTRIC EPHEMERIS STATISTICS Calendar Date AD 2025-Jun-13 Local Time 20:34:05 Standard Time Local Time Zone UT-05:00 NOTE: Time Zone is ignored if using the TT time Scale Julian Date 2460840.565335648 UT Right Ascension 19h 51m 51.293s 19.864247927933 h 297° 57' 49.388" 297.963718919° Declination -25° 27' 03.345" -25.450929218° Distance 393,048.9 km 244,229.3 mi 0.00262736987810 AU Angular Diameter 0° 30' 23.517" 1823.517" 0.5065325° Visual Magnitude -11.784 Horizon Azimuth 110.01° Direction: ESE Horizon Elevation -16.11° Below Local Horizon Lunar Phase Angle 212.601° 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 -05h 54m 46.770s -5.912991764 h -88° 41' 41.555" -88.69487646° Loc Sidereal Time 13h 57m 04.522s 13.9512561637 h 209° 16' 07.833" 209.2688424555° Radial Velocity -0.3376788 km/s -1215.64368 km/h -0.2098239 mi/s -755.3659628 mi/h Approaching Observer Delta T (TDB−UT) +69.184579 sec +0d 00h 01m 09.184579s ######################################################