This can be involved! In this example, I'll use profile 3.
If I'm missing anything, or, anyone finds mistakes in this, please feel free to correct. I'm not FM!
1. Go to BI settings, Schedules tab.
2. Enter the Latitude & Longitude of where you are. You can click the 'Pin' to open a Google map to your location and fine tune it.
If the Pin does not work, open Google maps and go to your location. At the top of the screen will be the Lat/Lon.
After entering tis, you will see the two Sunrise/Sunset half yellow circles appear at the top of the schedule days area.
3. Go to a cameras settings, Schedule tab.
4. Select 'Override global schedule...'.
5. Select 'Also ignore manual global profile overrides'.
This will allow this one camera to have a different profile than the others.
6. Click the 'Days' button until all days are selected, or, just he days you want.
7. Select the profile you want to use for this camera
8. Drag out the times you want this profile to be active.
9. Select the 'Relative to sunrise/sunset' box.
10. Click the 'Pointer/pin' at the Sunrise icon and drag it either before or after sunrise. It will tell you the offset and time for the current day. Do the same for Sunset.
For example, at sunrise, you may want to adjust a relative time to start 20 minutes before sunrise to catch first-light. And, 30 minutes after sunset to catch last-light.
See examples below...
11. You would need to set your settings you want to override your normal setts, to use profile 3.
Sunrise...

- Sunrise.png (35.22 KiB) Viewed 5244 times
Sunset...

- Sunset.png (35.1 KiB) Viewed 5244 times