1 files changed, 10 insertions, 0 deletions
diff --git a/src/date-time.cpp b/src/date-time.cpp
index 689688c..ecfc971 100644
--- a/src/date-time.cpp
+++ b/src/date-time.cpp
@@ -55,6 +55,16 @@ DateTime& DateTime::operator=(const DateTime& that)
     return *this;
 }
 
+DateTime& DateTime::operator+=(const std::chrono::minutes& minutes)
+{
+    return (*this = add_full(0, 0, 0, 0, minutes.count(), 0));
+}
+
+DateTime& DateTime::operator+=(const std::chrono::seconds& seconds)
+{
+    return (*this = add_full(0, 0, 0, 0, 0, seconds.count()));
+}
+
 DateTime::DateTime(time_t t)
 {
     auto gtz = g_time_zone_new_local();