diff --git a/config/model_configs/les_bomex_box.yml b/config/model_configs/les_bomex_box.yml
index 455364ce77..dfc3edaca9 100644
--- a/config/model_configs/les_bomex_box.yml
+++ b/config/model_configs/les_bomex_box.yml
@@ -24,7 +24,7 @@ z_elem: 100
 z_stretch: false
 dt: "0.10secs" 
 output_default_diagnostics: false
-t_end: "21600secs" 
+t_end: "36000secs" 
 dt_save_state_to_disk: "30mins"
 rayleigh_sponge: true
 toml: [toml/bomex_box_rhoe.toml]
diff --git a/config/model_configs/les_dycoms_box.yml b/config/model_configs/les_dycoms_box.yml
index d85753080f..5b55c97396 100644
--- a/config/model_configs/les_dycoms_box.yml
+++ b/config/model_configs/les_dycoms_box.yml
@@ -22,7 +22,7 @@ z_stretch: false
 smagorinsky_lilly: true
 c_smag: 0.18
 dt: "0.05secs"
-t_end: "14400secs"
+t_end: "21600secs"
 dt_save_state_to_disk: "30mins"
 restart_file: "/home/asridhar/Codes/ClimaAtmos.jl/restart/dycoms/day0.0.hdf5"
 dt_cloud_fraction: "10mins"
diff --git a/config/model_configs/les_rico_box.yml b/config/model_configs/les_rico_box.yml
index 5f5b4dd8ad..7508d9d931 100644
--- a/config/model_configs/les_rico_box.yml
+++ b/config/model_configs/les_rico_box.yml
@@ -24,7 +24,7 @@ z_elem: 150
 z_max: 6e3
 z_stretch: false
 dt: "0.2secs"
-t_end: 8hours
+t_end: 12hours
 restart_file: "/home/asridhar/Codes/ClimaAtmos.jl/restart/rico/day0.0.hdf5"
 toml: [toml/rico_box.toml]
 dt_save_state_to_disk: 10mins