diff --git a/climax/config.py b/climax/config.py
new file mode 100644
index 0000000000000000000000000000000000000000..d0bf233588b9624016c4a5a4dcf8bb977f9ea121
--- /dev/null
+++ b/climax/config.py
@@ -0,0 +1,15 @@
+"""Climax configuration file."""
+
+# !/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# builtins
+import pathlib
+import datetime
+
+# path to this file
+HERE = pathlib.Path(__file__).parent
+
+# calibration period
+P_CAL = (datetime.datetime.strptime('1970-01-01', '%Y-%m-%d').date(),
+         datetime.datetime.strptime('2000-01-01', '%Y-%m-%d').date())