https://bugs.kde.org/show_bug.cgi?id=506998
Bug ID: 506998
Summary: More accurate sun path in Day-Night Cycle KCM
Classification: Applications
Product: systemsettings
Version First master
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 183207
--> https://bugs.kde.org/attachment.cgi?id=183207&action=edit
Day-Night Cycle KCM
SUMMARY
The new Day-Night Cycle KCM features a diagram of the path of the sun in the
sky. However, the half-oval does not seem to be accurate.
STEPS TO REPRODUCE
1. Take a look at the This Week in Plasma post or the merge request:
https://blogs.kde.org/2025/07/12/this-week-in-plasma-tablet-dials-and-day/night-cycles/#plasma-650-1
https://invent.kde.org/plasma/plasma-workspace/-/merge_requests/5557
2. Observe that the path of the sun is depicted as a half-oval
3. Look up solargraphs / solarigraphs
https://apod.nasa.gov/apod/ap120121.html
https://apod.nasa.gov/apod/ap231222.html
4. Notice that these depict kind of sinusoidal paths
OBSERVED RESULT
The diagram in the KCM doesn't match reality
EXPECTED RESULT
It matches reality. Ideally, the actual path for the selected location and the
current date (or the date where the path is halfway between its extremes) would
be shown.
SOFTWARE/OS VERSIONS
ADDITIONAL INFORMATION
You can view the path for any location here:
https://www.sunearthtools.com/dp/tools/pos_sun.php
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