true solar time

ASTRONOMIC TIME CALCULATION

True solar time
astronomic time calculator

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

latitude: 61.633333

longitude: 30.466667

 

Local time: 23:56:00

True solar time: 22:43:38

Solar / Astronomic Time calculation:

Coordinated Universal Time (UTC) 20:56:16

Local Time 23:56:00

Day of Year 40

Time Equation, value 14.503309722592

Time Equation, in seconds 870

Difference from Local Time, seconds 3472

Total Difference, seconds 4342

True Time: 22:43:38

This is the calculation of true solar (astronomic) time for location (61.633333, 30.466667).

 

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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 01 hour 12 min 28 sec (4348 seconds). Minimum divergence is on the 30/10/2025 and is equal to 00 hour 41 min 25 sec (2485 seconds).

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