Here's a breakdown:
1. Latitude Adjustment:
* Sundial Angle (Latitude): The sundial's angle should match your latitude, which is 51.34 degrees. This sets the basic angle of the gnomon (the part that casts the shadow) to the horizontal plane.
2. Declination Adjustment:
* Declination: The sun's position in the sky varies throughout the year. This is called declination, and it impacts the sundial's angle.
* Equation of Time: The declination correction is accounted for using the "Equation of Time." This is a table or graph that shows the difference between the time measured by a sundial and the time shown on a clock.
* Seasonal Adjustment: To get the most accurate time, you'll need to adjust the angle slightly throughout the year. This is usually done with a small adjustment screw or by using a sundial with a movable gnomon.
In Summary:
* The initial angle of the sundial will be 51.34 degrees.
* You'll need to use the Equation of Time to make small adjustments for declination throughout the year.
Note: There are many different types of sundials, and some might require different adjustments.
To find the precise angle for your specific sundial, it's recommended to consult a specialized sundial guide or use a sundial design software.