diff --git a/ledger/participant-state/kvutils/src/test/suite/scala/com/daml/ledger/participant/state/kvutils/committer/transaction/validation/LedgerTimeValidatorSpec.scala b/ledger/participant-state/kvutils/src/test/suite/scala/com/daml/ledger/participant/state/kvutils/committer/transaction/validation/LedgerTimeValidatorSpec.scala
index 9829e9029c..0b218f1277 100644
--- a/ledger/participant-state/kvutils/src/test/suite/scala/com/daml/ledger/participant/state/kvutils/committer/transaction/validation/LedgerTimeValidatorSpec.scala
+++ b/ledger/participant-state/kvutils/src/test/suite/scala/com/daml/ledger/participant/state/kvutils/committer/transaction/validation/LedgerTimeValidatorSpec.scala
@@ -85,8 +85,12 @@ class LedgerTimeValidatorSpec extends AnyWordSpec with Matchers {
           aDamlTransactionEntrySummaryWithSubmissionAndLedgerEffectiveTimes,
         )
 
-        context.minimumRecordTime shouldEqual Some(Instant.ofEpochSecond(-28))
-        context.maximumRecordTime shouldEqual Some(Instant.ofEpochSecond(31))
+        context.minimumRecordTime shouldEqual Some(
+          Instant.ofEpochSecond(2).minus(theDefaultConfig.timeModel.minSkew)
+        )
+        context.maximumRecordTime shouldEqual Some(
+          Instant.ofEpochSecond(1).plus(theDefaultConfig.timeModel.maxSkew)
+        )
         context.deduplicateUntil shouldBe empty
         context.outOfTimeBoundsLogEntry should not be empty
         context.outOfTimeBoundsLogEntry.foreach { actualOutOfTimeBoundsLogEntry =>
@@ -106,7 +110,9 @@ class LedgerTimeValidatorSpec extends AnyWordSpec with Matchers {
         context.minimumRecordTime shouldEqual Some(
           Instant.ofEpochSecond(3).plus(Timestamp.Resolution)
         )
-        context.maximumRecordTime shouldEqual Some(Instant.ofEpochSecond(31))
+        context.maximumRecordTime shouldEqual Some(
+          Instant.ofEpochSecond(1).plus(theDefaultConfig.timeModel.maxSkew)
+        )
         context.deduplicateUntil shouldEqual Some(
           Instant.ofEpochSecond(aDeduplicateUntil.getSeconds)
         )
diff --git a/ledger/sandbox-common/src/main/scala/platform/sandbox/cli/CommonCliBase.scala b/ledger/sandbox-common/src/main/scala/platform/sandbox/cli/CommonCliBase.scala
index 5f4973250f..b77d59ef8d 100644
--- a/ledger/sandbox-common/src/main/scala/platform/sandbox/cli/CommonCliBase.scala
+++ b/ledger/sandbox-common/src/main/scala/platform/sandbox/cli/CommonCliBase.scala
@@ -11,7 +11,6 @@ import com.daml.ledger.api.auth.AuthServiceJWT
 import com.daml.ledger.api.domain.LedgerId
 import com.daml.ledger.api.tls.TlsVersion.TlsVersion
 import com.daml.ledger.api.tls.{SecretsUrl, TlsConfiguration}
-import com.daml.ledger.configuration.LedgerTimeModel
 import com.daml.lf.data.Ref
 import com.daml.platform.apiserver.SeedService.Seeding
 import com.daml.platform.common.LedgerIdMode
@@ -312,7 +311,7 @@ class CommonCliBase(name: LedgerName) {
           config.copy(timeModel = config.timeModel.copy(minSkew = duration, maxSkew = duration))
         }
         .text(
-          s"Maximum skew (in seconds) between the ledger time and the record time. Default is ${LedgerTimeModel.reasonableDefault.maxSkew.getSeconds}."
+          s"Maximum skew (in seconds) between the ledger time and the record time. Default is ${SandboxConfig.defaultConfig.timeModel.maxSkew.getSeconds}."
         )
 
       opt[Duration]("management-service-timeout")
diff --git a/ledger/sandbox-common/src/main/scala/platform/sandbox/config/SandboxConfig.scala b/ledger/sandbox-common/src/main/scala/platform/sandbox/config/SandboxConfig.scala
index 9d39f5022c..328e8e67b4 100644
--- a/ledger/sandbox-common/src/main/scala/platform/sandbox/config/SandboxConfig.scala
+++ b/ledger/sandbox-common/src/main/scala/platform/sandbox/config/SandboxConfig.scala
@@ -119,7 +119,14 @@ object SandboxConfig {
       configurationLoadTimeout = Duration.ofSeconds(10),
       maxDeduplicationDuration = None,
       delayBeforeSubmittingLedgerConfiguration = Duration.ofSeconds(1),
-      timeModel = LedgerTimeModel.reasonableDefault,
+      // Sandbox is a slow ledger, use a big skew to avoid failing commands under load.
+      // If sandbox ever gets fast enough not to cause flakes in our tests,
+      // this can be reverted to LedgerTimeModel.reasonableDefault.
+      timeModel = LedgerTimeModel(
+        avgTransactionLatency = Duration.ofSeconds(0L),
+        minSkew = Duration.ofSeconds(120L),
+        maxSkew = Duration.ofSeconds(120L),
+      ).get,
       commandConfig = CommandConfiguration.default,
       submissionConfig = SubmissionConfiguration.default,
       tlsConfig = None,