diff --git a/apps/locale/locales.js b/apps/locale/locales.js
index f1df28734..91876c8d0 100644
--- a/apps/locale/locales.js
+++ b/apps/locale/locales.js
@@ -446,5 +446,23 @@ var locales = {
         abday: "ne,po,út,st,čt,pá,so",
         day: "neděle,pondělí,úterý,středa,čtvrtek,pátek,sobota",
         trans: { yes: "tak", Yes: "Tak", no: "nie", No: "Nie", ok: "ok", on: "na", off: "poza" }
+    },
+    "sl_SI": {
+        lang: "sl_SI",
+        decimal_point: ",",
+        thousands_sep: ".",
+        currency_symbol: "\x80",
+        int_curr_symbol: "EUR",
+        speed: "km/h",
+        distance: { 0: "m", 1: "km" },
+        temperature: "°C",
+        ampm: { 0: "dop.", 1: "pop." },
+        timePattern: { 0: "%HH:%MM:%SS", 1: "%HH:%MM" },
+        datePattern: { 0: "%d. %b %Y", 1: "%d.%m.%Y" }, // "30. jan. 2020" // "30.01.2020"(short)
+        abmonth: "jan.,feb.,mar.,apr.,maj,jun.,jul.,avg.,sep.,okt.,nov.,dec.",
+        month: "januar,februar,marec,april,maj,junij,julij,avgust,september,oktober,november,december",
+        abday: "ned.,pon.,tor.,sre.,čet.,pet.,sob.",
+        day: "nedelja,ponedeljek,torek,sreda,četrtek,petek,sobota",
+        trans: { yes: "da", Yes: "Da", no: "ne", No: "Ne", ok: "ok", on: "On", off: "Off" }
     }
 };