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Time and direction of sunrise and sunset
Time and the direction of the sunrise and sunset at clicked point and specified day are displayed.
Please click the taking a picture point on the map after input the altitude and date.
If you want to input directly latitude and longitude. Please push the Calc button after inputs it.
Please input the distance to the obstacle and the height of the obstacle
(difference with the altitude of the photographing point) when there is an obstacle such as mountains.
(Embarrass it when it is relied on because it is not so accurate. )
**Please change to the time difference from the GMT.
day
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month
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year
1965
1966
1967
1968
1969
1970
1971
1972
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1974
1975
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1980
1981
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2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
Altitude
m
Distance to obstacle
m
Height of obstacle
m
North
South
West
East
Latitude
Longitude
Time difference
Sunrise direction
Sunset direction
** The direction line is a reference level.
zoom_level
Time of sunrise
Time of sunset
Sunrise direction
degrees
Sunset direction
degrees
Culmination time
Culmination altitude(Angle)
Beginning astronomical twilight time
Beginning navigation twilight time
Beginning the citizens twilight time
End time of astronomical twilight
End navigation twilight time
End the citizens twilight time
**Notes when using it
It is different from actual time when there are a mountain etc. because time of the sunrise and the sunset is time
when the surface of the sun is corresponding to the horizon.
It is different from an actual direction when there are a mountain etc. because the direction of the sunrise and the sunset is directions
where the surface of the sun is corresponding to the horizon.
There is an error margin of about one minute in the numerical result by the half-adjust etc.
The summer time is not considered.
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