Sphaera 3.1.7

Observer's time setting

Input as local time (gregorian calendar)
Year: Month: Day:
Hour: Minute: Second:
Time Zone
Input as UTC
Year: Month: Day:
Hour: Minute: Second:

Observer times
Local time 2026/02/17 18:21:30 GMT(UTC+00:00)

Observer location: ()
Time zone: Etc/GMT
(0° 00' 00.00"N, 0° 00' 00.00"E)

UTC 2026/02/17 18:21:30 UTC Coordinate Universal Time
JD 2461089.2649305556 Julian day
LMT 2026/02/17 18:21:30 LMT Local Mean Solar Time
Longitude in hours +0h 00m 00.00s
GMST 4h 12m 27.75s Greewich Mean Sidereal Time
GAST 4h 12m 28.20s Greewich Apparent Sidereal Time
LAST 4h 12m 28.20s Local Apparent Sidereal Time
ΔT +0h 01m 09.09s TT-UT1
ΔUT1 0.10s UT1-UTC
TT 2461089.2657312965d Terrestrial Time as a Julian date.
UT1 2461089.2649316723d Universal Time as a Julian date.
TAI 2461089.2653587963d International Atomic Time as a Julian date.