diff --git a/matlab/dynare_config.m b/matlab/dynare_config.m
index ede09a40d..d43f45664 100644
--- a/matlab/dynare_config.m
+++ b/matlab/dynare_config.m
@@ -59,6 +59,7 @@ addpath([dynareroot '/gsa/'])
 addpath([dynareroot '/ep/'])
 addpath([dynareroot '/utilities/doc/'])
 addpath([dynareroot '/utilities/tests/'])
+addpath([dynareroot '/utilities/dates/'])
 addpath([dynareroot '/utilities/dataset/'])
 addpath([dynareroot '/utilities/general/'])
 
diff --git a/matlab/@dynSeries/private/ismonthly.m b/matlab/utilities/dates/ismonthly.m
similarity index 100%
rename from matlab/@dynSeries/private/ismonthly.m
rename to matlab/utilities/dates/ismonthly.m
diff --git a/matlab/@dynSeries/private/isquaterly.m b/matlab/utilities/dates/isquaterly.m
similarity index 100%
rename from matlab/@dynSeries/private/isquaterly.m
rename to matlab/utilities/dates/isquaterly.m
diff --git a/matlab/@dynSeries/private/isweekly.m b/matlab/utilities/dates/isweekly.m
similarity index 100%
rename from matlab/@dynSeries/private/isweekly.m
rename to matlab/utilities/dates/isweekly.m
diff --git a/matlab/@dynSeries/private/isyearly.m b/matlab/utilities/dates/isyearly.m
similarity index 100%
rename from matlab/@dynSeries/private/isyearly.m
rename to matlab/utilities/dates/isyearly.m