2 files changed, 7 insertions, 0 deletions
diff --git a/lib/chronology.cpp b/lib/chronology.cpp
index 8707bba..49f6df2 100644
--- a/lib/chronology.cpp
+++ b/lib/chronology.cpp
@@ -10,3 +10,9 @@ operator""_time_t(const char * iso, size_t)
 	}
 	return mktime(&tm);
 }
+
+std::chrono::seconds
+operator""_seconds(const char * iso, size_t)
+{
+	return std::chrono::seconds(operator""_time_t(iso, 0));
+}
diff --git a/lib/chronology.h b/lib/chronology.h
index 688a1f7..886424d 100644
--- a/lib/chronology.h
+++ b/lib/chronology.h
@@ -5,3 +5,4 @@
 
 using TickDuration = std::chrono::duration<float, std::chrono::seconds::period>;
 time_t operator""_time_t(const char * iso, size_t);
+std::chrono::seconds operator""_seconds(const char * iso, size_t);