True solar time
astronomic time calculator
The current true solar time for location compared to local time:
latitude: 56.1786
longitude: 30.3014
Local time: 05:17:54
True solar time: 04:10:06
Solar / Astronomic Time calculation:
Coordinated Universal Time (UTC) 21:17:54
Local Time 00:17:54
Day of Year 14
Time Equation, value 8.9975249993484
Time Equation, in seconds 540
Difference from Local Time, seconds 3528
Total Difference, seconds 4068
True Time: 04:10:06
This is the calculation of true solar (astronomic) time for location (56.1786, 30.3014).
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 12/02/2026 and is equal to 01 hour 13 min 24 sec (4404 seconds). Minimum divergence is on the 30/10/2026 and is equal to 00 hour 42 min 21 sec (2541 seconds).
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