With this calculation helper you can calculate your solar time
by filling in below your longitude details
and the GMT*
values as indicated.
First look up your longitude.
F: 48n52, 2e20, France
York (US): 40n43, 74w0, US
NETH: 52n22, 4e54, Netherlands
Hague NETH: 52n05, 4e19, Netherlands
JAPAN: 35n42, 139e46, Japan
For New York e.g. must below next be entered
at longitude degree 74 and with the minutes 0 !
New York (US) is west (w) of Greenwich
For your meditation on the natural order
thus having set a clock to the sun
requires that you correct the time thus found about once a
Thus you will keep
your corrected clock at pace with the sun
within a margin of a couple of minutes.
Not doing this the difference quickly amounts
to about half an hour (from Nov. 5 to Febr. 5 e.g.).
Correcting for the sake of nature
can best be done with natural regularity:
on Cakra-sundays e.g., see below:
To check this by hand you need to consult
the pages about the equation of time
and the FCO-calendar