True solar time
astronomic time calculator
The current true solar time for location compared to local time:
latitude: 63.9831
longitude: 40.6608
Local time: 13:00:38
True solar time: 12:46:58
Solar / Astronomic Time calculation:
Coordinated Universal Time (UTC) 05:00:38
Local Time 08:00:38
Day of Year 138
Time Equation, value -3.6891821904696
Time Equation, in seconds -221
Difference from Local Time, seconds 1041
Total Difference, seconds 820
True Time: 12:46:58
This is the calculation of true solar (astronomic) time for location (63.9831, 40.6608).
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 00 hour 31 min 57 sec (1917 seconds). Minimum divergence is on the 30/10/2026 and is equal to 00 hour 00 min 54 sec (54 seconds).
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