Name: SunAlmanac
Rating: 4.3 (8 reviews)
Author: CedricD.

[DEVELOPER DISCLAIMER] This software is developed on my free time and provided to the Garmin community (for free) on a best-effort basis. Please read its description and usage manual fully before contacting me.

SunAlmanac is a Garmin ConnectIQ Widget that displays sunrise/sunset data:
 - Sunrise/Sunset time
 - Day Length (and Difference)
 - Civil Dawn/Dusk time
 - Nautical Dawn/Dusk time
 - Astronomical Dawn/Dusk time
 - Ecliptic Longitude and Declination
 - Noon time and Elevation angle
 - Sunrise/Sunset Azimuth angles
 - Current Azimuth and Elevation angles

At the current GPS location or a user-specified location (the default). At the current date (the default) or a user-specified date.

USAGE:
https://github.com/cedric-dufour/connectiq-widget-sunalmanac/blob/master/USAGE

DEVICES:
Being a hobbyist ConnectIQ developer, I do not support device layouts other than the one I own (round 240x240). GitHub Pull-Request implementing such support are welcome though (with accompanying screen capture image).

DONATION:
http://cedric.dufour.name/software/donate.html