Basic Astronomical Statistics For Any Gregorian Date, Time and Location
Local Gregorian Date: YMD  Local Std. Time: HMS (00 to 24h) Time Zone: HM (00 to ±12h) ΔT (Delta T):  `±`HMS
Local Time = UT
`2458561.5` ` 0.000000000000 ` ` -0.208333333333 ` ` +0.000000000000 `

Longitude:  `±`DMS (Neg=W) Latitude:  `±`DMS (Neg=S) Elevation:  (meters)
`-76.8233055556` `+42.6763888889`
Optional ΔT estimate = +71.170 = +00h 01m 11.2s
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 BASIC ASTRONOMICAL STATISTICS FOR ANY GREGORIAN DATE, TIME AND LOCATION Local Date = 20190319 = 2019 Mar 19 - Tuesday Local Time = 00:00:00.0 = 0.000000000000 day Time Zone = -05:00 = -0.208333333333 day Delta T = -00:00:00.0 = +0.000000000000 day JD00 = 2458561.5 = JD (Julian Day) number for 00h TT on date JD12 = 2458562 = (JD00 + 0.5) = Always an integer value = JD at 12h TT on date = Standard calendrical JD number for date JD = 2458561.708333333333 = (JD00 + LTFrac - TZFrac + dTFrac) = Full astronomical JD number applying all given date/time elements Date/Time TT Corresponding to Full Astronomical JD 2019 Mar 19 05:00:00.0 TT Time Factors Corresponding to Full Astronomical JD T = 0.192107004334 Julian centuries reckoned from J2000.0 t = 0.019210700433 Julian millennia reckoned from J2000.0 MJD00 = 58561 = (JD12 - 2400001) = Always an integer value = Modified JD number for 00h TT on date Geographic Location of Observer LngDeg = -76.8233055556 (W) = -5.1215537037 h = -05h 07m 17.6s LatDeg = +42.6763888889 (N) Elevation = 295 (meters relative to sea-level) Local Dates/Std. Times of Equinoxes and Solstices March Equinox : 2019 Mar 20 16:58:54 June Solstice : 2019 Jun 21 10:55:23 September Equinox: 2019 Sep 23 02:50:59 December Solstice: 2019 Dec 21 23:20:34 Local Dates/Std. Times of Perihelion/Aphelion Perihelion: 2019 Jan 03 00:21:06 Aphelion : 2019 Jul 04 17:11:53 Geotopic Elements For Geographic Location rho * cos(phi) = +0.7363613602 rho * sin(phi) = +0.6743881911 Nutations (IAU 2000B Series) dPsiDeg = -0.004307000684 = Nutation in ecliptical longitude dEpsDeg = -0.000828313327 = Nutation in ecliptical obliquity dRADeg = -0.003951695320 = Equation of the equinoxes Obliquity of the Ecliptic EpsMeanDeg = 23.436793226126 = 23° 26' 12.456" EpsTrueDeg = 23.435964912799 = 23° 26' 09.474" Greenwich Sidereal Time (at longitude 0.0°) GSTMeanDeg = 251.4607215202 = 251° 27' 38.597" GSTMeanHrs = 16.7640481013 = 16h 45m 50.573s GSTTrueDeg = 251.4567698249 = 251° 27' 24.371" GSTTrueHrs = 16.7637846550 = 16h 45m 49.625s Local Sidereal Time at Longitude -76.8233055556° (W) LSTMeanDeg = 174.6374159646 = 11h 38m 32.980s = 174° 38' 14.697" LSTTrueDeg = 174.6334642693 = 11h 38m 32.031s = 174° 38' 00.471" Jay Tanner - PHP Science Labs - 2019 - v5.0