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: 272.6208°
Waning crescent, just past last quarter.
Distance: 370,435.2 km = 230,177.7 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-Sep-14 11:45:07 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-Sep-14 05:57 On Merid | Transit 75.32° AD 2025-Sep-14 14:17 310.42° NW Set AD 2025-Sep-14 22:40 49.80° NE Rise ###################################################### MOON TOPOCENTRIC EPHEMERIS STATISTICS Calendar Date AD 2025-Sep-14 Local Time 11:45:07 Standard Time Local Time Zone UT-05:00 NOTE: Time Zone is ignored if using the TT time Scale Julian Date 2460933.197997685 UT Right Ascension 05h 36m 26.375s 5.6073264965333 h 84° 06' 35.631" 84.109897448° Declination +28° 04' 34.326" +28.076201738° Distance 370,435.2 km 230,177.7 mi 0.00247620613634 AU Angular Diameter 0° 32' 14.837" 1934.837" 0.5374547222° Visual Magnitude -10.092 Horizon Azimuth 287.94° Direction: WNW Horizon Elevation +22.67° Above Local Horizon Lunar Phase Angle 272.6208° Waning crescent, just past last quarter. 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 36m 53.055s +5.614737504 h +84° 13' 15.825" +84.22106256° Loc Sidereal Time 11h 13m 19.430s 11.2220640002 h 168° 19' 51.456" 168.330960003° Radial Velocity +0.3232541 km/s +1163.71476 km/h +0.2008608 mi/s +723.0988278 mi/h Receding From Observer Delta T (TDB−UT) +69.182476 sec +0d 00h 01m 09.182476s ######################################################