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 2025/12/08 09:59:35 GMT(UTC+00:00)

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

UTC 2025/12/08 09:59:35 UTC Coordinate Universal Time
JD 2461017.916377315 Julian day
LMT 2025/12/08 09:59:35 LMT Local Mean Solar Time
Longitude in hours +0h 00m 00.00s
GMST 15h 09m 14.86s Greewich Mean Sidereal Time
GAST 15h 09m 15.13s Greewich Apparent Sidereal Time
LAST 15h 09m 15.13s Local Apparent Sidereal Time
ΔT +0h 01m 09.10s TT-UT1
ΔUT1 0.09s UT1-UTC
TT 2461017.9171780557d Terrestrial Time as a Julian date.
UT1 2461017.916378344d Universal Time as a Julian date.
TAI 2461017.9168055556d International Atomic Time as a Julian date.