diff --git a/brave/components/brave_today/browser/feed_parsing.cc b/brave/components/brave_today/browser/feed_parsing.cc
index 82a4a7205b..4369774a34 100644
--- a/brave/components/brave_today/browser/feed_parsing.cc
+++ b/brave/components/brave_today/browser/feed_parsing.cc
@@ -5,13 +5,13 @@
 
 #include "brave/components/brave_today/browser/feed_parsing.h"
 
-#include <codecvt>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/json/json_reader.h"
 #include "base/logging.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "brave/components/brave_today/common/brave_news.mojom-forward.h"
 #include "brave/components/brave_today/common/brave_news.mojom-shared.h"
@@ -78,9 +78,8 @@ bool ParseFeedItem(const base::Value& feed_item_raw,
     // Successful, get language-specific relative time
     base::TimeDelta relative_time_delta =
         base::Time::Now() - metadata->publish_time;
-    std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> converter;
     metadata->relative_time_description =
-        converter.to_bytes(ui::TimeFormat::Simple(
+        base::UTF16ToUTF8(ui::TimeFormat::Simple(
             ui::TimeFormat::Format::FORMAT_ELAPSED,
             ui::TimeFormat::Length::LENGTH_LONG, relative_time_delta));
   }
diff --git a/brave/components/brave_today/browser/direct_feed_controller.cc b/brave/components/brave_today/browser/direct_feed_controller.cc
index 70d232eb9b..815e0df867 100644
--- a/brave/components/brave_today/browser/direct_feed_controller.cc
+++ b/brave/components/brave_today/browser/direct_feed_controller.cc
@@ -6,7 +6,6 @@
 #include "brave/components/brave_today/browser/direct_feed_controller.h"
 
 #include <algorithm>
-#include <codecvt>
 #include <iterator>
 #include <memory>
 #include <string>
@@ -20,6 +19,7 @@
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/task/thread_pool.h"
 #include "base/time/time.h"
 #include "brave/components/brave_private_cdn/headers.h"
@@ -59,9 +59,8 @@ mojom::ArticlePtr RustFeedItemToArticle(const FeedItem& rust_feed_item) {
   // Get language-specific relative time
   base::TimeDelta relative_time_delta =
       base::Time::Now() - metadata->publish_time;
-  std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> converter;
   metadata->relative_time_description =
-      converter.to_bytes(ui::TimeFormat::Simple(
+      base::UTF16ToUTF8(ui::TimeFormat::Simple(
           ui::TimeFormat::Format::FORMAT_ELAPSED,
           ui::TimeFormat::Length::LENGTH_LONG, relative_time_delta));
   auto article = mojom::Article::New();