Sidereal Time Calculator For Any Date, Time and Longitude
Local Date
±YMD (Neg=BC)
Local Time
HMS (00 to 24h)
Time Zone Difference
HM (00 to ±12h)
ΔT (Delta T)
Local Time = UT
2459512.5  0.000000000000   +0.208333333333   +0.000000000000 
Calendar Mode:    Julian             Gregorian
Longitude:  ±D M S (Neg=W)
Optional ΔT estimate = +73 = +00h 01m 13s
This program uses a cookie to store and remember the above interface settings between calls.
Jay Tanner - PHP Science Labs - 2021 - 1.0