Basic Astronomical Statistics For Any Date/Time
Within the 600-Year Period From 1600 to 2200
Date/Time Y M D
Time Zone
UT
Latitude
,
Longitude (Neg = West)
Elevation
m
NOTE:
For accurate local sunrise and sunset times, the local coordinates and time zone must be set correctly.
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BASIC ASTRONOMICAL STATISTICS Local Date/Time 2025 Jul 17 Thu 04:29:54 LT JD Number 2460874 LT Local Time Zone Offset UT-04:00:00 TZ Universal Date/Time 2025 Jul 17 Thu 08:29:54 UT JD Number 2460874 UT NASA Delta T Estimate +00:01:15 dT Dynamical Date/Time 2025 Jul 17 Thu 08:31:09 TT JD Number 2460874 TT Latitude and Longitude +42.676458333333 , -76.823011111111 ±Deg Min Seconds.sssss +042 40 35.25000 , -076 49 22.84000 Elevation in meters 145 m Time Variable T +0.25541012909733 Julian centuries from JD2000.0 TT Time Variable t +0.02554101290973 Julian millennia from JD2000.0 TT Working Julian Date TT 2460873.85496528 TT ______________________________________________________________________________ Local Sunrise and Sunset Times For Date Local Date: 2025 Jul 17 Thu in Time Zone UT-04:00 Location: Latitude, Longitude +42.676458333333, -76.823011111111 2025 Jul 17 Thu Sunrise: 05:45 2025 Jul 17 Thu Sunset: 20:41 ______________________________________________________________________________ Obliquity of the Ecliptic Mean +23° 26' 09.492" = +23.4359701261° True +23° 26' 18.239" = +23.4383997585° ______________________________________________________________________________ Local Sidereal Time at Longitude -76.823011111111° (W) in Time Zone UT-04:00 Mean 23h 05m 32.750s = 23.0924306887 h = 346.3864603303° True 23h 05m 32.957s = 23.0924881034 h = 346.3873215514° ______________________________________________________________________________ Greenwich Sidereal Time Mean 04h 12m 50.273s = 04.2139647628 h = 63.2094714413° True 04h 12m 50.480s = 04.2140221775 h = 63.2103326624° ______________________________________________________________________________ Nutations (IAU 2000B Series) In Obliquity +0.0024296324° = +08.747" In Longitude +0.0009386726° = +03.379" In RA +0.0008612211° = +03.100" = +00.207s = +0.0000574147 h ______________________________________________________________________________ Latitudes of the +Arctic and -Antarctic Circles ± 66.5616002415 = ± 66° 33' 41.761" ______________________________________________________________________________
Jay Tanner - 2025 - v1.00