diff --git a/src/i18n/cs-CZ.js b/src/i18n/cs-CZ.js
index b8a32653..cbb6cc5e 100644
--- a/src/i18n/cs-CZ.js
+++ b/src/i18n/cs-CZ.js
@@ -96,22 +96,22 @@ Date.CultureStrings["cs-CZ"] = {
         "/^th(u(r(s(day)?)?)?)?/": "^čtvrtek",
         "/^fr(i(day)?)?/": "^pátek",
         "/^sa(t(urday)?)?/": "^sobota",
-        "/^next/": "^next",
-        "/^last|past|prev(ious)?/": "^last|past|prev(ious)?",
-        "/^(\\+|aft(er)?|from|hence)/": "^(\\+|aft(er)?|from|hence)",
-        "/^(\\-|bef(ore)?|ago)/": "^(\\-|bef(ore)?|ago)",
-        "/^yes(terday)?/": "^yes(terday)?",
-        "/^t(od(ay)?)?/": "^t(od(ay)?)?",
-        "/^tom(orrow)?/": "^tom(orrow)?",
-        "/^n(ow)?/": "^n(ow)?",
-        "/^ms|milli(second)?s?/": "^ms|milli(second)?s?",
-        "/^sec(ond)?s?/": "^sec(ond)?s?",
-        "/^mn|min(ute)?s?/": "^mn|min(ute)?s?",
-        "/^h(our)?s?/": "^h(our)?s?",
-        "/^w(eek)?s?/": "^w(eek)?s?",
-        "/^m(onth)?s?/": "^m(onth)?s?",
-        "/^d(ay)?s?/": "^d(ay)?s?",
-        "/^y(ear)?s?/": "^y(ear)?s?",
+        "/^next/": "^příští|následující",
+        "/^last|past|prev(ious)?/": "^minul(é|ou|ý|á)",
+        "/^(\\+|aft(er)?|from|hence)/": "^(\\+|za)",
+        "/^(\\-|bef(ore)?|ago)/": "^(\\-|před)",
+        "/^yes(terday)?/": "^včera",
+        "/^t(od(ay)?)?/": "^dnes",
+        "/^tom(orrow)?/": "^zítra",
+        "/^n(ow)?/": "^(nyní|teď)",
+        "/^ms|milli(second)?s?/": "^ms|milisekunda?",
+        "/^sec(ond)?s?/": "^s(ek(unda?)?)?",
+        "/^mn|min(ute)?s?/": "^min(uta?)?",
+        "/^h(our)?s?/": "^h(od(ina?)?)?",
+        "/^w(eek)?s?/": "^(týden|týdny|týdnů)",
+        "/^m(onth)?s?/": "^měs(íc(e|ů)?)?",
+        "/^d(ay)?s?/": "^d(en|ny|ní)?",
+        "/^y(ear)?s?/": "^(rok(ů|y)?|let)",
         "/^(a|p)/": "^(a|p)",
         "/^(a\\.?m?\\.?|p\\.?m?\\.?)/": "^(a\\.?m?\\.?|p\\.?m?\\.?)",
         "/^((e(s|d)t|c(s|d)t|m(s|d)t|p(s|d)t)|((gmt)?\\s*(\\+|\\-)\\s*\\d\\d\\d\\d?)|gmt|utc)/": "^((e(s|d)t|c(s|d)t|m(s|d)t|p(s|d)t)|((gmt)?\\s*(\\+|\\-)\\s*\\d\\d\\d\\d?)|gmt|utc)",