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: 245.3387°
Waning gibbous moon.
Distance: 375,381 km = 233,251 mi
Approaching Observer With Radial Velocity:
-1266.138 km/h = -786.741 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-Jul-15 21:27:14 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-Jul-15 03:53 On Merid | Transit 41.85° AD 2025-Jul-15 09:51 265.75° W Set AD 2025-Jul-15 22:28 89.79° E Rise ###################################################### ====================================================== MOON - LOCAL TOPOCENTRIC EPHEMERIS STATISTICS Calendar Date AD 2025-Jul-15 Local Time 21:27:14 UT Standard Time Local Time Zone UT-05:00 NOTE: Time Zone is ignored if using the TT time Scale Julian Date 2460872.602245370 UT Right Ascension 23h 55m 12.943s 23.920261914333 h 358° 48' 14.143" 358.803928715° Declination +0° 02' 56.168" +0.048935527° Distance 375,381 km 233,251 mi 0.00250926916225 AU Angular Diameter 0° 31' 49.342" 1909.342" 0.5303727778° Radial Velocity -0.3517049 km/s -1266.13764 km/h -0.2185393 mi/s -786.7414549 mi/h Approaching Observer Phase Angle 245.3387° 0=New 90=FQ 180=Full 270=LQ Waning gibbous moon. Visual Magnitude -10.967 Horizon Azimuth 79.86° Direction: E Horizon Elevation -10.66° Below Local Horizon Local Hour Angle -06h 58m 40.808s -6.978002244 h -104° 40' 12.121" -104.67003366° Loc Sidereal Time 16h 56m 32.135s 16.9422596701 h 254° 08' 02.022" 254.1338950515° Delta T (TDB−UT) +69.183709 sec +0d 00h 01m 09.183709s ======================================================