5926 20221215164223.0 Defraigne, P. Summer time or winter time? The Royal Observatory of Belgium informs (EN/FR/NL) 2018 2018-10-16 NO Bertrand, B. Kolenberg, K. Pham, L.B.S. Langenaken, H. lebinhsan.pham@observatoire.be https://www.astro.oma.be/en/summer-time-or-winter-time-the-royal-observatory-of-belgium-informs/ PRESSREL