diff --git a/src/addon/calendar/pages/event/event.ts b/src/addon/calendar/pages/event/event.ts
index 568eac629..0f7fed557 100644
--- a/src/addon/calendar/pages/event/event.ts
+++ b/src/addon/calendar/pages/event/event.ts
@@ -73,7 +73,7 @@ export class AddonCalendarEventPage {
             });
 
         // Calculate format to use. ion-datetime doesn't support escaping characters ([]), so we remove them.
-        this.notificationFormat = this.timeUtils.convertPHPToMoment(this.translate.instant('core.strftimedatetimeshort'))
+        this.notificationFormat = this.timeUtils.convertPHPToMoment(this.translate.instant('core.strftimedatetime'))
             .replace(/[\[\]]/g, '');
         }
     }
diff --git a/src/addon/mod/data/fields/date/component/date.ts b/src/addon/mod/data/fields/date/component/date.ts
index 5b17bf4a5..187a6fbba 100644
--- a/src/addon/mod/data/fields/date/component/date.ts
+++ b/src/addon/mod/data/fields/date/component/date.ts
@@ -43,7 +43,7 @@ export class AddonModDataFieldDateComponent extends AddonModDataFieldPluginCompo
         let val;
 
         // Calculate format to use. ion-datetime doesn't support escaping characters ([]), so we remove them.
-        this.format = this.timeUtils.convertPHPToMoment(this.translate.instant('core.strftimedatefullshort'))
+        this.format = this.timeUtils.convertPHPToMoment(this.translate.instant('core.strftimedate'))
                 .replace(/[\[\]]/g, '');
 
         if (this.mode == 'search') {
diff --git a/src/addon/userprofilefield/datetime/component/datetime.ts b/src/addon/userprofilefield/datetime/component/datetime.ts
index c43a61bc0..1d9e9ea03 100644
--- a/src/addon/userprofilefield/datetime/component/datetime.ts
+++ b/src/addon/userprofilefield/datetime/component/datetime.ts
@@ -49,7 +49,7 @@ export class AddonUserProfileFieldDatetimeComponent implements OnInit {
 
             // Calculate format to use. ion-datetime doesn't support escaping characters ([]), so we remove them.
             field.format = this.timeUtils.convertPHPToMoment(this.translate.instant('core.' +
-                    (hasTime ? 'strftimedatetimeshort' : 'strftimedatefullshort'))).replace(/[\[\]]/g, '');
+                    (hasTime ? 'strftimedatetime' : 'strftimedate'))).replace(/[\[\]]/g, '');
 
             // Check min value.
             if (field.param1) {
diff --git a/src/providers/lang.ts b/src/providers/lang.ts
index 04f8283ee..68463d4e3 100644
--- a/src/providers/lang.ts
+++ b/src/providers/lang.ts
@@ -16,7 +16,7 @@ import { Injectable } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';
 import * as moment from 'moment';
 import { Globalization } from '@ionic-native/globalization';
-import { Platform } from 'ionic-angular';
+import { Platform, Config } from 'ionic-angular';
 import { CoreConfigProvider } from './config';
 import { CoreConfigConstants } from '../configconstants';
 
@@ -33,7 +33,7 @@ export class CoreLangProvider {
     protected sitePluginsStrings = {}; // Strings defined by site plugins.
 
     constructor(private translate: TranslateService, private configProvider: CoreConfigProvider, platform: Platform,
-            private globalization: Globalization) {
+            private globalization: Globalization, private config: Config) {
         // Set fallback language and language to use until the app determines the right language to use.
         translate.setDefaultLang(this.fallbackLanguage);
         translate.use(this.defaultLanguage);
@@ -86,6 +86,17 @@ export class CoreLangProvider {
         }
     }
 
+    /**
+     * Capitalize a string (make the first letter uppercase).
+     * We cannot use a function from text utils because it would cause a circular dependency.
+     *
+     * @param {string} value String to capitalize.
+     * @return {string} Capitalized string.
+     */
+    protected capitalize(value: string): string {
+        return value.charAt(0).toUpperCase() + value.slice(1);
+    }
+
     /**
      * Change current language.
      *
@@ -142,6 +153,13 @@ export class CoreLangProvider {
 
         // Use british english when parent english is loaded.
         moment.locale(language == 'en' ? 'en-gb' : language);
+
+        // Set data for ion-datetime.
+        this.config.set('monthNames', moment.months().map(this.capitalize.bind(this)));
+        this.config.set('monthShortNames', moment.monthsShort().map(this.capitalize.bind(this)));
+        this.config.set('dayNames', moment.weekdays().map(this.capitalize.bind(this)));
+        this.config.set('dayShortNames', moment.weekdaysShort().map(this.capitalize.bind(this)));
+
         this.currentLanguage = language;
 
         return Promise.all(promises).finally(() => {