diff --git a/Content.Server/Atmos/EntitySystems/HeatExchangerSystem.cs b/Content.Server/Atmos/EntitySystems/HeatExchangerSystem.cs
index 8faa58d54c..0b7a8e6eb7 100644
--- a/Content.Server/Atmos/EntitySystems/HeatExchangerSystem.cs
+++ b/Content.Server/Atmos/EntitySystems/HeatExchangerSystem.cs
@@ -12,7 +12,6 @@ using Content.Shared.CCVar;
 using Content.Shared.Interaction;
 using JetBrains.Annotations;
 using Robust.Shared.Configuration;
-using Robust.Shared.Timing;
 
 namespace Content.Server.Atmos.EntitySystems;
 
@@ -21,7 +20,6 @@ public sealed class HeatExchangerSystem : EntitySystem
     [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
     [Dependency] private readonly IConfigurationManager _cfg = default!;
     [Dependency] private readonly NodeContainerSystem _nodeContainer = default!;
-    [Dependency] private IGameTiming _gameTiming = default!;
 
     float tileLoss;
 
@@ -56,7 +54,7 @@ public sealed class HeatExchangerSystem : EntitySystem
         }
 
         // Positive dN flows from inlet to outlet
-        var dt = (float)(_gameTiming.CurTime - device.LastProcess).TotalSeconds;
+        var dt = args.dt;
         var dP = inlet.Air.Pressure - outlet.Air.Pressure;
 
         // What we want is dN/dt = G*dP (first-order constant-coefficient differential equation w.r.t. P).
diff --git a/Content.Server/Atmos/Piping/Binary/EntitySystems/GasVolumePumpSystem.cs b/Content.Server/Atmos/Piping/Binary/EntitySystems/GasVolumePumpSystem.cs
index 6b3815fdfa..aa171ce6ba 100644
--- a/Content.Server/Atmos/Piping/Binary/EntitySystems/GasVolumePumpSystem.cs
+++ b/Content.Server/Atmos/Piping/Binary/EntitySystems/GasVolumePumpSystem.cs
@@ -19,14 +19,12 @@ using Content.Shared.Interaction;
 using Content.Shared.Popups;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
-using Robust.Shared.Timing;
 
 namespace Content.Server.Atmos.Piping.Binary.EntitySystems
 {
     [UsedImplicitly]
     public sealed class GasVolumePumpSystem : EntitySystem
     {
-        [Dependency] private readonly IGameTiming _gameTiming = default!;
         [Dependency] private readonly IAdminLogManager _adminLogger = default!;
         [Dependency] private readonly TransformSystem _transformSystem = default!;
         [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
@@ -94,7 +92,7 @@ namespace Content.Server.Atmos.Piping.Binary.EntitySystems
                 return;
 
             // We multiply the transfer rate in L/s by the seconds passed since the last process to get the liters.
-            var removed = inlet.Air.RemoveVolume((float)(pump.TransferRate * (_gameTiming.CurTime - device.LastProcess).TotalSeconds));
+            var removed = inlet.Air.RemoveVolume((float)(pump.TransferRate * args.dt));
 
             // Some of the gas from the mixture leaks when overclocked.
             if (pump.Overclocked)
diff --git a/Content.Server/Atmos/Piping/Trinary/EntitySystems/GasFilterSystem.cs b/Content.Server/Atmos/Piping/Trinary/EntitySystems/GasFilterSystem.cs
index 43ba410b80..9f41671bca 100644
--- a/Content.Server/Atmos/Piping/Trinary/EntitySystems/GasFilterSystem.cs
+++ b/Content.Server/Atmos/Piping/Trinary/EntitySystems/GasFilterSystem.cs
@@ -15,14 +15,12 @@ using Content.Shared.Popups;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
 using Robust.Shared.Player;
-using Robust.Shared.Timing;
 
 namespace Content.Server.Atmos.Piping.Trinary.EntitySystems
 {
     [UsedImplicitly]
     public sealed class GasFilterSystem : EntitySystem
     {
-        [Dependency] private IGameTiming _gameTiming = default!;
         [Dependency] private UserInterfaceSystem _userInterfaceSystem = default!;
         [Dependency] private IAdminLogManager _adminLogger = default!;
         [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
@@ -67,7 +65,7 @@ namespace Content.Server.Atmos.Piping.Trinary.EntitySystems
             }
 
             // We multiply the transfer rate in L/s by the seconds passed since the last process to get the liters.
-            var transferVol = (float)(filter.TransferRate * (_gameTiming.CurTime - device.LastProcess).TotalSeconds);
+            var transferVol = (float)(filter.TransferRate * args.dt);
 
             if (transferVol <= 0)
             {
diff --git a/Content.Server/Atmos/Piping/Trinary/EntitySystems/PressureControlledValveSystem.cs b/Content.Server/Atmos/Piping/Trinary/EntitySystems/PressureControlledValveSystem.cs
index 5822b3b1c7..cbb1b33eef 100644
--- a/Content.Server/Atmos/Piping/Trinary/EntitySystems/PressureControlledValveSystem.cs
+++ b/Content.Server/Atmos/Piping/Trinary/EntitySystems/PressureControlledValveSystem.cs
@@ -8,14 +8,12 @@ using Content.Shared.Atmos.Piping;
 using Content.Shared.Audio;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
-using Robust.Shared.Timing;
 
 namespace Content.Server.Atmos.Piping.Trinary.EntitySystems
 {
     [UsedImplicitly]
     public sealed class PressureControlledValveSystem : EntitySystem
     {
-        [Dependency] private IGameTiming _gameTiming = default!;
         [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
         [Dependency] private readonly SharedAmbientSoundSystem _ambientSoundSystem = default!;
         [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
@@ -70,7 +68,7 @@ namespace Content.Server.Atmos.Piping.Trinary.EntitySystems
             UpdateAppearance(uid, comp);
 
             // We multiply the transfer rate in L/s by the seconds passed since the last process to get the liters.
-            var transferVolume = (float)(transferRate * (_gameTiming.CurTime - device.LastProcess).TotalSeconds);
+            var transferVolume = (float)(transferRate * args.dt);
             if (transferVolume <= 0)
             {
                 _ambientSoundSystem.SetAmbience(comp.Owner, false);
diff --git a/Content.Server/Atmos/Piping/Unary/EntitySystems/GasOutletInjectorSystem.cs b/Content.Server/Atmos/Piping/Unary/EntitySystems/GasOutletInjectorSystem.cs
index e7c0448ca0..49241b43dd 100644
--- a/Content.Server/Atmos/Piping/Unary/EntitySystems/GasOutletInjectorSystem.cs
+++ b/Content.Server/Atmos/Piping/Unary/EntitySystems/GasOutletInjectorSystem.cs
@@ -8,7 +8,6 @@ using Content.Shared.Atmos.Piping;
 using Content.Shared.Interaction;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
-using Robust.Shared.Timing;
 
 namespace Content.Server.Atmos.Piping.Unary.EntitySystems
 {
@@ -16,7 +15,6 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
     public sealed class GasOutletInjectorSystem : EntitySystem
     {
         [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
-        [Dependency] private readonly IGameTiming _gameTiming = default!;
         [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
         [Dependency] private readonly NodeContainerSystem _nodeContainer = default!;
 
@@ -73,7 +71,7 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
             if (environment.Pressure > injector.MaxPressure)
                 return;
 
-            var timeDelta = (float) (_gameTiming.CurTime - device.LastProcess).TotalSeconds;
+            var timeDelta = args.dt;
 
             // TODO adjust ratio so that environment does not go above MaxPressure?
             var ratio = MathF.Min(1f, timeDelta * injector.TransferRate / inlet.Air.Volume);
diff --git a/Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentPumpSystem.cs b/Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentPumpSystem.cs
index af4c7c36b7..6fb6d3f505 100644
--- a/Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentPumpSystem.cs
+++ b/Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentPumpSystem.cs
@@ -19,7 +19,6 @@ using Content.Shared.Audio;
 using Content.Shared.Examine;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
-using Robust.Shared.Timing;
 
 namespace Content.Server.Atmos.Piping.Unary.EntitySystems
 {
@@ -29,7 +28,6 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
         [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
         [Dependency] private readonly DeviceNetworkSystem _deviceNetSystem = default!;
         [Dependency] private readonly DeviceLinkSystem _signalSystem = default!;
-        [Dependency] private readonly IGameTiming _gameTiming = default!;
         [Dependency] private readonly SharedAmbientSoundSystem _ambientSoundSystem = default!;
         [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
         [Dependency] private readonly NodeContainerSystem _nodeContainer = default!;
@@ -81,7 +79,7 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
                 return;
             }
 
-            var timeDelta =  (_gameTiming.CurTime - device.LastProcess).TotalSeconds;
+            var timeDelta =  args.dt;
             var pressureDelta = (float) timeDelta * vent.TargetPressureChange;
 
             if (vent.PumpDirection == VentPumpDirection.Releasing && pipe.Air.Pressure > 0)
diff --git a/Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentScrubberSystem.cs b/Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentScrubberSystem.cs
index e91a0f986e..fda58f07b9 100644
--- a/Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentScrubberSystem.cs
+++ b/Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentScrubberSystem.cs
@@ -17,14 +17,12 @@ using Content.Shared.Atmos.Piping.Unary.Components;
 using Content.Shared.Audio;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
-using Robust.Shared.Timing;
 
 namespace Content.Server.Atmos.Piping.Unary.EntitySystems
 {
     [UsedImplicitly]
     public sealed class GasVentScrubberSystem : EntitySystem
     {
-        [Dependency] private readonly IGameTiming _gameTiming = default!;
         [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
         [Dependency] private readonly DeviceNetworkSystem _deviceNetSystem = default!;
         [Dependency] private readonly SharedAmbientSoundSystem _ambientSoundSystem = default!;
@@ -54,7 +52,7 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
             if (!TryComp(uid, out AtmosDeviceComponent? device))
                 return;
 
-            var timeDelta = (float) (_gameTiming.CurTime - device.LastProcess).TotalSeconds;
+            var timeDelta = args.dt;
 
             if (!scrubber.Enabled
             || !EntityManager.TryGetComponent(uid, out NodeContainerComponent? nodeContainer)
diff --git a/Content.Server/Atmos/Portable/PortableScrubberSystem.cs b/Content.Server/Atmos/Portable/PortableScrubberSystem.cs
index 9568e4d9c7..a5e4793056 100644
--- a/Content.Server/Atmos/Portable/PortableScrubberSystem.cs
+++ b/Content.Server/Atmos/Portable/PortableScrubberSystem.cs
@@ -7,7 +7,6 @@ using Content.Server.Atmos.Piping.Components;
 using Content.Server.Atmos.EntitySystems;
 using Content.Server.Power.Components;
 using Content.Server.NodeContainer;
-using Robust.Shared.Timing;
 using Robust.Server.GameObjects;
 using Content.Server.NodeContainer.Nodes;
 using Content.Server.NodeContainer.NodeGroups;
@@ -25,7 +24,6 @@ namespace Content.Server.Atmos.Portable
         [Dependency] private readonly GasCanisterSystem _canisterSystem = default!;
         [Dependency] private readonly GasPortableSystem _gasPortableSystem = default!;
         [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
-        [Dependency] private readonly IGameTiming _gameTiming = default!;
         [Dependency] private readonly TransformSystem _transformSystem = default!;
         [Dependency] private readonly IAdminLogManager _adminLogger = default!;
         [Dependency] private readonly AmbientSoundSystem _ambientSound = default!;
@@ -55,7 +53,7 @@ namespace Content.Server.Atmos.Portable
             if (!TryComp(uid, out AtmosDeviceComponent? device))
                 return;
 
-            var timeDelta = (float) (_gameTiming.CurTime - device.LastProcess).TotalSeconds;
+            var timeDelta = args.dt;
 
             if (!component.Enabled)
                 return;
diff --git a/Content.Server/Power/Generator/GasPowerReceiverSystem.cs b/Content.Server/Power/Generator/GasPowerReceiverSystem.cs
index a8c19fe71b..603cbd769a 100644
--- a/Content.Server/Power/Generator/GasPowerReceiverSystem.cs
+++ b/Content.Server/Power/Generator/GasPowerReceiverSystem.cs
@@ -5,7 +5,6 @@ using Content.Server.NodeContainer.EntitySystems;
 using Content.Server.NodeContainer.Nodes;
 using Content.Server.Power.Components;
 using Content.Shared.Atmos;
-using Robust.Shared.Timing;
 
 namespace Content.Server.Power.Generator;
 
@@ -14,26 +13,18 @@ namespace Content.Server.Power.Generator;
 /// </summary>
 public sealed class GasPowerReceiverSystem : EntitySystem
 {
-    [Dependency] private readonly IGameTiming _gameTiming = default!;
     [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
     [Dependency] private readonly NodeContainerSystem _nodeContainer = default!;
 
     /// <inheritdoc/>
     public override void Initialize()
     {
-        SubscribeLocalEvent<GasPowerReceiverComponent, MapInitEvent>(OnMapInit);
         SubscribeLocalEvent<GasPowerReceiverComponent, AtmosDeviceUpdateEvent>(OnDeviceUpdated);
     }
 
-    private void OnMapInit(EntityUid uid, GasPowerReceiverComponent component, MapInitEvent args)
-    {
-        component.LastProcess = _gameTiming.CurTime;
-    }
-
     private void OnDeviceUpdated(EntityUid uid, GasPowerReceiverComponent component, AtmosDeviceUpdateEvent args)
     {
-        var timeDelta =  (float)(_gameTiming.CurTime - component.LastProcess).TotalSeconds;
-        component.LastProcess = _gameTiming.CurTime;
+        var timeDelta = args.dt;
 
         if (!HasComp<AtmosDeviceComponent>(uid)
             || !TryComp<NodeContainerComponent>(uid, out var nodeContainer)