True solar time
astronomic time calculator
The current true solar time for location compared to local time:
latitude: 51.2071
longitude: 57.3121
Local time: 14:52:00
True solar time: 13:44:56
Solar / Astronomic Time calculation:
Coordinated Universal Time (UTC) 04:52:00
Local Time 09:52:00
Day of Year 138
Time Equation, value -3.6891821904696
Time Equation, in seconds -221
Difference from Local Time, seconds 4245
Total Difference, seconds 4024
True Time: 13:44:56
This is the calculation of true solar (astronomic) time for location (51.2071, 57.3121).
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 25 min 21 sec (5121 seconds). Minimum divergence is on the 30/10/2026 and is equal to 00 hour 54 min 18 sec (3258 seconds).
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