diff --git a/tools/tools.go b/tools/tools.go
index dc9e03c..95824db 100644
--- a/tools/tools.go
+++ b/tools/tools.go
@@ -18,6 +18,15 @@ func IsFilenameValid(filename string) bool {
 	return re.MatchString(filename)
 }
 
+func ExtractDateAndConvertToDate(filename string) (time.Time, error) {
+	dateStr := filename[0:24]
+	t, err := RFC3339StringToTime(dateStr)
+	if err != nil {
+		return t, err
+	}
+	return t, nil
+}
+
 func CheckDir(path string) (bool, error) {
 	info, err := os.Stat(path)
 	if err == nil {