true solar time

ASTRONOMIC TIME CALCULATION

True solar time
astronomic time calculator

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

latitude: 51.816667

longitude: 85.25

 

Local time: 18:50:36

True solar time: 17:47:02

Solar / Astronomic Time calculation:

Coordinated Universal Time (UTC) 06:50:36

Local Time 13:50:36

Day of Year 316

Time Equation, value -15.431877049914

Time Equation, in seconds -926

Difference from Local Time, seconds 4740

Total Difference, seconds 3814

True Time: 17:47:02

This is the calculation of true solar (astronomic) time for location (51.816667, 85.25).

 

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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 33 min 36 sec (5616 seconds). Minimum divergence is on the 30/10/2025 and is equal to 01 hour 02 min 33 sec (3753 seconds).

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