Slovenia moon phases and next full moon dates 9 locations listed in Slovenia. Celje Koper Kranj Ljubljana Maribor Novo Mesto Ptuj Trbovlje Velenje Current moon phase Third Quarter Slovenia full moons 28th March, 2021 27th April, 2021 26th May, 2021 24th June, 2021 24th July, 2021 22nd August, 2021