4 ms·As in, the Sun stays above 18 degrees below the horizon all night?by yrro 4y agoAs in, the Sun stays above 18 degrees below the horizon all night?perilunar 4y agoYes. If you are north of ~52.3° you won't experience 'true' night at the moment, just astronomical twilight. Of course the definitions are somewhat arbitrary.yrro 4y agoThanks :)