Sunday the 21st of September, 2025 (UTC +00:00)
Name days we celebrate on September 21
 Czech Republic | Matouš |
 Denmark | Matthæus |
 Estonia | Lembit, Lembitu, Lembo, Lemmert, Lemmik, Lemmo |
 Finland | Mervi |
 Finland-Swedish | Gunborg, Gunlög |
 France | Matthieu |
 Hungary | Máté, Mirella |
 Latvia | Mariss, Matīss, Modris |
 Lithuania | Mantvilas, Matas, Viskintė |
 Norway | Trine, Trond |
 Poland | Bożeciech, Bożydar, Jonasz, Laurenty, Mateusz, Mira |
 Sweden | Matteus |