What time should I schedule my wedding ceremony?

I'm getting hitched on November 8th in sunny Florida! Sunset happens around 5:30 that evening. Originally I was going to shoot for 3:30, but I don't want the sun to be in anyone's eyes and I don't want to lose daylight before we can snap photos. Any suggestions?
Update: I should probably mention that the wedding guests will be facing a marsh, in the direction of the setting sun. We're also planning on serving dinner, so we don't want the ceremony too early or too late.
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