true solar time

ASTRONOMIC TIME CALCULATION

True solar time
astronomic time calculator

The current true solar time for location compared to local time:

latitude: 57.678457

longitude: 39.955801

 

Local time: 22:46:00

True solar time: 22:11:19

Solar / Astronomic Time calculation:

Coordinated Universal Time (UTC) 19:46:00

Local Time 22:46:00

Day of Year 40

Time Equation, value 14.503309722592

Time Equation, in seconds 870

Difference from Local Time, seconds 1211

Total Difference, seconds 2081

True Time: 22:11:19

This is the calculation of true solar (astronomic) time for location (57.678457, 39.955801).

 

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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 00 hour 34 min 47 sec (2087 seconds). Minimum divergence is on the 30/10/2025 and is equal to 00 hour 03 min 44 sec (224 seconds).

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