diff --git a/app/src/main/kotlin/com/simplemobiletools/draw/dialogs/SaveImageDialog.kt b/app/src/main/kotlin/com/simplemobiletools/draw/dialogs/SaveImageDialog.kt
index a0c11a9..bfc3f0e 100644
--- a/app/src/main/kotlin/com/simplemobiletools/draw/dialogs/SaveImageDialog.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/draw/dialogs/SaveImageDialog.kt
@@ -14,6 +14,9 @@ import com.simplemobiletools.draw.views.MyCanvas
 import kotlinx.android.synthetic.main.dialog_save_image.view.*
 import java.io.File
 import java.io.OutputStream
+import java.text.DateFormat
+import java.text.SimpleDateFormat
+import java.util.Date
 
 class SaveImageDialog(val activity: SimpleActivity, val suggestedExtension: String, val curPath: String, val canvas: MyCanvas,
                       callback: (path: String, extension: String) -> Unit) {
@@ -104,7 +107,10 @@ class SaveImageDialog(val activity: SimpleActivity, val suggestedExtension: Stri
     }
 
     private fun getInitialFilename(): String {
-        val defaultFilename = "image_${System.currentTimeMillis() / 1000}"
+        // Display date and time in human readable format:
+        val sdf = SimpleDateFormat("yyyy-MM-dd_HH-mm")
+        val defaultFilename = "image_${sdf.format(Date(System.currentTimeMillis()))}"
+
         return if (curPath.isEmpty()) defaultFilename else curPath.getFilenameFromPath().substring(0, curPath.getFilenameFromPath().lastIndexOf("."))
     }
 }