diff --git a/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.C b/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.C
index 76eac53ccf..98e8e041b3 100644
--- a/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.C
+++ b/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2012-2022 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2012-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -41,6 +41,19 @@ Foam::TimeFunction1<Type>::TimeFunction1
 {}
 
 
+template<class Type>
+Foam::TimeFunction1<Type>::TimeFunction1
+(
+    const Time& time,
+    const Function1<Type>& function
+)
+:
+    time_(time),
+    name_(function.name()),
+    function_(function.clone().ptr())
+{}
+
+
 template<class Type>
 Foam::TimeFunction1<Type>::TimeFunction1
 (
diff --git a/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.H b/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.H
index ec9be22f1e..31668e5788 100644
--- a/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.H
+++ b/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2012-2020 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2012-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -86,6 +86,13 @@ public:
             const dictionary& dict
         );
 
+        //- Construct from time and Function1
+        TimeFunction1
+        (
+            const Time& time,
+            const Function1<Type>& function
+        );
+
         //- Construct null from time and name
         TimeFunction1
         (