diff --git a/experiments/long_runs/land.jl b/experiments/long_runs/land.jl
index 643cb0c9ec..7cd9222707 100644
--- a/experiments/long_runs/land.jl
+++ b/experiments/long_runs/land.jl
@@ -632,7 +632,7 @@ function setup_and_solve_problem(; greet = false)
 
     t0 = 0.0
     tf = 60 * 60.0 * 24 * 7 # keep short until it runs! * 365
-    Δt = 900.0
+    Δt = 450.0
     nelements = (101, 15)
     if greet
         @info "Run: Global Soil-Canopy Model"
diff --git a/experiments/long_runs/land_region.jl b/experiments/long_runs/land_region.jl
index 511214f8c5..1479ead7d1 100644
--- a/experiments/long_runs/land_region.jl
+++ b/experiments/long_runs/land_region.jl
@@ -634,7 +634,7 @@ function setup_and_solve_problem(; greet = false)
 
     t0 = 0.0
     tf = 60 * 60.0 * 24 * 365
-    Δt = 900.0
+    Δt = 450.0
     nelements = (10, 10, 15)
     if greet
         @info "Run: Regional Soil-Canopy Model"