True solar time
astronomic time calculator
The current true solar time for location compared to local time:
latitude: 54.990864
longitude: 73.357237
Local time: 09:43:32
True solar time: 08:50:57
Solar / Astronomic Time calculation:
Coordinated Universal Time (UTC) 22:43:33
Local Time 04:43:32
Day of Year 323
Time Equation, value -13.960279934509
Time Equation, in seconds -838
Difference from Local Time, seconds 3993
Total Difference, seconds 3155
True Time: 08:50:57
This is the calculation of true solar (astronomic) time for location (54.990864, 73.357237).
The Local and Astronomic Time Divergence
The chart shows the divergence between local and astronomic time for the chosen place within a current year period. Maximum divergence of local and solar time this year is on the 12/02/2025 and is equal to 01 hour 21 min 09 sec (4869 seconds). Minimum divergence is on the 30/10/2025 and is equal to 00 hour 50 min 06 sec (3006 seconds).
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