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keisanHigh-precision calculations for everyday life and work

Calculate ΔT

Author: rockeccoExecutions: 3173

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Calculating the correction value (ΔT) for the Earth’s rotational speed
Year
Year
month(s)month(s)
ΔT seconds
This calculation is based on the formula found at the URL below.
Since the Earth’s rotational speed fluctuates and cannot be precisely determined by calculation, please consider this value for reference only.

For actual use, please refer to figures published in sources such as the annual *Science Yearbook*.

130818
I modified the calculation, which was previously fixed to January, so that values can now be entered on a monthly basis.

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