JavaScript Sun Table Calculator

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Chaos Game

back to my Astronomy JavaScript page

JavaScript Sun Table Calculator
© 2001-2007 Juergen Giesen

Date:              Local Time:         ?

?  Location:
Latitude
^°
?  Time Zone:

Longitude
^°

?  Local Date and Time:

?  UT is:

?  the Julian Day is:

?  the Local Sidereal Time and RA is:

h

h

?  the Declination and GHA of the Sun are:

^°

^°

?  the Equation of Time is:

min

?  the Altitude and Azimuth are:

^°

^°

?  Twilight:

Altitude is at:

h

h

?  Sunrise, Sunset and Length of Day are:

h

h       hrs

?  Culmination and maximum Altitude are:

h

^°

?  Azimuth Angles at Rise and Set are:

^°

^°

Table: Year Month Day x

x

<-set up page for printing

For Daylight Saving Time increase the "Time Zone" value by 1 hour.

You may write a table by day, by month or by year to the texarea or to a new page.
The tables look like this:

The Sun Table Calculator should look like this.

How to enter your home location

How to get the Sun Calculator JavaScripts

Declination and Equation of Time are computed by algorithms taken from the book of Meeus
Coordinates 52.51° N, 12.34° E are for Berlin/Germany

Coordinates of Cities around the World

Interactive Time Zone Map

Please compare my JavaScript values with the data of U.S. Naval Observatory Data Services:
Sun or Moon Rise/Set Table for One Year or here

Last Modified: 2015, Dec 27
© 2001-2015 Jürgen Giesen