True solar time
astronomic time calculator
The current true solar time for location compared to local time:
latitude: 51.715
longitude: 102.7599
Local time: 18:13:37
True solar time: 17:08:20
Solar / Astronomic Time calculation:
Coordinated Universal Time (UTC) 05:13:37
Local Time 13:13:37
Day of Year 138
Time Equation, value -3.6891821904696
Time Equation, in seconds -221
Difference from Local Time, seconds 4138
Total Difference, seconds 3917
True Time: 17:08:20
This is the calculation of true solar (astronomic) time for location (51.715, 102.7599).
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 23 min 34 sec (5014 seconds). Minimum divergence is on the 30/10/2026 and is equal to 00 hour 52 min 31 sec (3151 seconds).
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