diff --git a/sequencing-server/src/lib/codegen/CommandEDSLPreface.ts b/sequencing-server/src/lib/codegen/CommandEDSLPreface.ts
index 40b670bbd0..4331969ab8 100644
--- a/sequencing-server/src/lib/codegen/CommandEDSLPreface.ts
+++ b/sequencing-server/src/lib/codegen/CommandEDSLPreface.ts
@@ -3287,7 +3287,6 @@ export function hmsToDuration(hms: HMS_STRING, epoch: boolean = false): Temporal
 
   if (!epoch) {
     if (isNegative) {throw new Error(`Signed time (+/-) is not allowed for Relative Times: ${hms}`);}
-    if (daysNum !== 0) {throw new Error(`Day (DDD) is not allowed for Relative Times: ${hms}`);}
   }
   return Temporal.Duration.from({
     days: isNegative ? -daysNum : daysNum,
diff --git a/sequencing-server/test/__snapshots__/command-types.spec.ts.snap b/sequencing-server/test/__snapshots__/command-types.spec.ts.snap
index c2d777396c..b18805597b 100644
--- a/sequencing-server/test/__snapshots__/command-types.spec.ts.snap
+++ b/sequencing-server/test/__snapshots__/command-types.spec.ts.snap
@@ -3290,7 +3290,6 @@ export function hmsToDuration(hms: HMS_STRING, epoch: boolean = false): Temporal
 
   if (!epoch) {
     if (isNegative) {throw new Error(\`Signed time (+/-) is not allowed for Relative Times: \${hms}\`);}
-    if (daysNum !== 0) {throw new Error(\`Day (DDD) is not allowed for Relative Times: \${hms}\`);}
   }
   return Temporal.Duration.from({
     days: isNegative ? -daysNum : daysNum,