diff --git a/src/main/java/seed/utils/FairnetUtils.java b/src/main/java/seed/utils/FairnetUtils.java
index 3a922466..02d0028e 100644
--- a/src/main/java/seed/utils/FairnetUtils.java
+++ b/src/main/java/seed/utils/FairnetUtils.java
@@ -9,9 +9,10 @@ import java.net.URL;
 import java.security.KeyManagementException;
 import java.security.NoSuchAlgorithmException;
 import java.security.cert.X509Certificate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Base64;
-import java.util.Calendar;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -40,7 +41,6 @@ import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.TextNode;
-import com.ibm.icu.text.SimpleDateFormat;
 
 import kcc.com.snd.service.SendAtVO;
 import kcc.com.snd.service.SendAtVO.Content;
@@ -152,9 +152,13 @@ public class FairnetUtils {
 		String hpRetUrl = CertGlobalSet.getHpRetUrl() + "/web/user/siren/case/04/154/check.do";//모바일 인증후 리턴 페이지
 		
 	    //날짜 생성
-	    Calendar today = Calendar.getInstance();
-	    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
-	    String day = sdf.format(today.getTime());
+//	    Calendar today = Calendar.getInstance();
+//	    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
+//	    String day = sdf.format(today.getTime());
+	    
+	    LocalDateTime today = LocalDateTime.now();
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
+        String day = today.format(formatter);
 		
 	    java.util.Random ran = new Random();
 	    //랜덤 문자 길이