DE405 Lunar Ephemeris Calculator Spanning the 600-Year Period From 1600 to 2200 on the Modern Gregorian Calendar PHP Program by Jay Tanner - Based on the NASA/JPL DE405 Ephemeris Model
Calendar Date Year / Month / Day	Time hh:mm:ss	Date/Time Mode LT | UT | TT	Local Time Zone Offset From UT ±hh:mm (Neg/Pos  =  West/East)
			Local Time (LT) =  UT
Default Location:  America/New_York - Your Local Latitude, Lonitude and Time Zone May be Different
Geographic Location Used For Local Topocentric Computations			177.1351 deg
Latitude Deg.ddd or DMS (Neg=S)	Longitude Deg.ddd or DMS (Neg=W)	Sea-Level Elevation meters
QUICK DE405 LUNAR EPHEMERIS STATISTICS ---------------------------- DATE/TIME/MODE/ZONE/LOCATION Date = 2025 Aug 08 Fri Time = 22:25:11 LT Time Zone = UT-04:00 Delta T = +00:01:15 Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m JD TT = 2460896.60168982 = Working Julian Date on TT scale Phase Angle = 177.1351 deg Visual Phase = Full moon Horizon Altitude = +16.993° ABOVE local horizon - Ascending in SE Direction Azimuth = 140.781° = SE (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 04:56 Moonset 06:07 Sunrise 20:18 Moonrise - Full moon 20:19 Sunset ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 21h 09m 08.335s = 21.1523153 h = 317.2847295° Declination = -19° 29' 05.65" = -19.484902° Distance = 236727.046 mi = 380975.251 km Angular Diameter = 31' 22.05" = 31.36742' = 1882.05" = 0.5227904° Eq. Horiz. Parallax = 57' 33.37" = 0.9592680° = 57.55608' = 3453.36" Local Hour Angle = -02h 38m 37.46s = -2.6437381 h = -39.6560720° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 21h 11m 04.250s = 21.1845139 h = 317.7677085° Declination = -20° 16' 46.21" = -20.279504° Radial Velocity = -169.53 km/h = -105.34 mi/h = Approaching Earth Orbital Velocity = 3732.12 km/h = 2319.03 mi/h AUGUST 2025 - Lunar Quarter Phases, Apogees and Perigees For Time Zone UT-04:00 Applied NASA Delta T = +00:01:15 Date and Time LT Lunar Event --------------------- ----------------------------------- 2025 Aug 01 Fri 08:41 First Quarter Moon = Phase 90 2025 Aug 01 Fri 16:36 Apogee 251134.22 mi = 404161.35 km 2025 Aug 09 Sat 03:55 Full Moon = Phase 180 2025 Aug 14 Thu 13:59 Perigee 229465.10 mi = 369288.28 km 2025 Aug 16 Sat 01:12 Last Quarter Moon = Phase 270 2025 Aug 23 Sat 02:06 New Moon = Phase 0/360 2025 Aug 29 Fri 11:34 Apogee 251374.34 mi = 404547.78 km 2025 Aug 31 Sun 02:25 First Quarter Moon = Phase 90 There are two first quarter moons in August of 2025 LT. There are also two lunar apogees in August of 2025 LT.
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLE Time Mode = LT Time Zone = UT-04:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2025 Aug 08 Fri 22:25:11 LT 2460896.43415509 2460896 LT -04:00:00 TZ -0.16666667 2025 Aug 09 Sat 02:25:11 UT 2460896.60082176 2460897 UT +00:01:15 dT +0.00086806 2025 Aug 09 Sat 02:26:26 TT 2460896.60168982 2460897 TT JD TT = 2460896.60168982 = Working Julian Date on TT scale Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m ----------- EARTH GEOID ρ × sin(φ') = +0.6743577407 ρ × cos(φ') = +0.7363265249 ---------------------- APPARENT SIDEREAL TIME Greenwich 23h 37m 48.40s = 23.6301112 h = 354.4516686 deg Local 18h 30m 30.88s = 18.5085772 h = 277.6286575 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2025 Aug 08 Fri Time = 22:25:11 LT Time Zone = UT-04:00 Delta T = +00:01:15 JD TT = 2460896.60168982 GEOGRAPHIC LOCATION Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m GEOCENTRIC LUNAR COORDINATES Right Ascension = 21h 09m 08.335s = 21.1523153 h = 317.2847295° Declination = -19° 29' 05.65" = -19.484902° Distance = 236727.046 mi = 380975.251 km Phase Angle = 177.13514° Visual Phase = Full moon Angular Diameter = 31' 22.05" = 31.36742' = 1882.05" = 0.5227904° Eq. Horiz. Parallax = 57' 33.37" = 0.9592680° = 57.55608' = 3453.36" Radial Velocity = -169.53 km/h = -105.34 mi/h = Approaching Earth Orbital Velocity = 3732.12 km/h = 2319.03 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 21h 11m 04.250s = 21.1845139 h = 317.7677085° Declination = -20° 16' 46.21" = -20.279504° Horizon Altitude = +16.993° ABOVE local horizon - Ascending in SE Direction Azimuth = 140.781° = SE (N=0, E=90, S=180, W=270) Local Hour Angle = -02h 38m 37.46s = -2.6437381 h = -39.6560720° Light Time = 1.2438 sec = 1-way surface-to-surface = 2.4875 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 04:56 Moonset 06:07 Sunrise 20:18 Moonrise - Full moon 20:19 Sunset ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2025 Aug 08 Fri LT TZ = UT-04:00 = Time Zone Offset From UT (Neg/Pos = West/East) dT = +00:01:15 = NASA Delta T estimate Table Origin for 00:00:00 LT of date = 2460895.66753473 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 20.1941611 -24.004611 385500.091 239538.651 164.0720 -2 20.2325414 -23.853285 385315.945 239424.228 164.5799 -1 20.2708694 -23.699667 385132.136 239310.015 165.0883 00 20.3091445 -23.543772 384948.689 239196.026 165.5972 01 20.3473661 -23.385613 384765.622 239082.273 166.1066 02 20.3855335 -23.225207 384582.959 238968.772 166.6165 03 20.4236459 -23.062568 384400.722 238855.535 167.1269 04 20.4617030 -22.897711 384218.931 238742.575 167.6378 05 20.4997042 -22.730653 384037.608 238629.906 168.1492 06 20.5376488 -22.561409 383856.774 238517.541 168.6611 07 20.5755365 -22.389995 383676.449 238405.493 169.1735 08 20.6133669 -22.216429 383496.656 238293.774 169.6864 09 20.6511394 -22.040727 383317.414 238182.399 170.1997 10 20.6888538 -21.862904 383138.743 238071.378 170.7136 11 20.7265097 -21.682980 382960.664 237960.724 171.2279 12 20.7641068 -21.500971 382783.198 237850.452 171.7427 13 20.8016449 -21.316895 382606.364 237740.573 172.2580 14 20.8391237 -21.130769 382430.181 237631.098 172.7738 15 20.8765430 -20.942612 382254.670 237522.040 173.2900 16 20.9139027 -20.752441 382079.849 237413.411 173.8067 17 20.9512026 -20.560276 381905.737 237305.223 174.3239 18 20.9884426 -20.366135 381732.355 237197.489 174.8416 19 21.0256228 -20.170036 381559.719 237090.218 175.3597 20 21.0627430 -19.971999 381387.849 236983.422 175.8783 21 21.0998031 -19.772043 381216.764 236877.115 176.3974 22 21.1368034 -19.570187 381046.480 236771.306 176.9170 23 21.1737438 -19.366451 380877.016 236666.006 177.4369 24 21.2106244 -19.160854 380708.389 236561.226 177.9574 25 21.2474454 -18.953416 380540.617 236456.977 178.4783 26 21.2842070 -18.744157 380373.718 236353.271 178.9997 27 21.3209092 -18.533098 380207.707 236250.116 179.5215 28 21.3575524 -18.320258 380042.602 236147.525 180.0437 ======================================================================
DE405 Lunar Ephemeris Calculator - v3.0 - A PHP Astronomy Program by Jay Tanner Revised: 2023 March 06 at 07:54:25 PM Monday