diff --git a/backend/src/apiserver/model/cron_schedule.go b/backend/src/apiserver/model/cron_schedule.go
new file mode 100644
index 00000000000..1ee535acaa3
--- /dev/null
+++ b/backend/src/apiserver/model/cron_schedule.go
@@ -0,0 +1,34 @@
+// Copyright 2024 The Kubeflow Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package model
+
+type CronSchedule struct {
+	// Time at which scheduling starts.
+	// If no start time is specified, the StartTime is the creation time of the schedule.
+	CronScheduleStartTimeInSec *int64 `gorm:"column:CronScheduleStartTimeInSec;"`
+
+	// Time at which scheduling ends.
+	// If no end time is specified, the EndTime is the end of time.
+	CronScheduleEndTimeInSec *int64 `gorm:"column:CronScheduleEndTimeInSec;"`
+
+	// Cron string describing when a workflow should be created within the
+	// time interval defined by StartTime and EndTime.
+	Cron *string `gorm:"column:Schedule;"`
+}
+
+func (c CronSchedule) IsEmpty() bool {
+	return (c.CronScheduleStartTimeInSec == nil || *c.CronScheduleStartTimeInSec == 0) &&
+		(c.CronScheduleEndTimeInSec == nil || *c.CronScheduleEndTimeInSec == 0) &&
+		(c.Cron == nil || *c.Cron == "")
+}
diff --git a/backend/src/apiserver/model/job.go b/backend/src/apiserver/model/job.go
index c47576cbb80..3871e050b7e 100644
--- a/backend/src/apiserver/model/job.go
+++ b/backend/src/apiserver/model/job.go
@@ -189,34 +189,6 @@ type Trigger struct {
 	PeriodicSchedule
 }
 
-type CronSchedule struct {
-	// Time at which scheduling starts.
-	// If no start time is specified, the StartTime is the creation time of the schedule.
-	CronScheduleStartTimeInSec *int64 `gorm:"column:CronScheduleStartTimeInSec;"`
-
-	// Time at which scheduling ends.
-	// If no end time is specified, the EndTime is the end of time.
-	CronScheduleEndTimeInSec *int64 `gorm:"column:CronScheduleEndTimeInSec;"`
-
-	// Cron string describing when a workflow should be created within the
-	// time interval defined by StartTime and EndTime.
-	Cron *string `gorm:"column:Schedule;"`
-}
-
-type PeriodicSchedule struct {
-	// Time at which scheduling starts.
-	// If no start time is specified, the StartTime is the creation time of the schedule.
-	PeriodicScheduleStartTimeInSec *int64 `gorm:"column:PeriodicScheduleStartTimeInSec;"`
-
-	// Time at which scheduling ends.
-	// If no end time is specified, the EndTime is the end of time.
-	PeriodicScheduleEndTimeInSec *int64 `gorm:"column:PeriodicScheduleEndTimeInSec;"`
-
-	// Interval describing when a workflow should be created within the
-	// time interval defined by StartTime and EndTime.
-	IntervalSecond *int64 `gorm:"column:IntervalSecond;"`
-}
-
 func (j Job) GetValueOfPrimaryKey() string {
 	return fmt.Sprint(j.UUID)
 }
diff --git a/backend/src/apiserver/model/periodic_schedule.go b/backend/src/apiserver/model/periodic_schedule.go
new file mode 100644
index 00000000000..af28ca61cff
--- /dev/null
+++ b/backend/src/apiserver/model/periodic_schedule.go
@@ -0,0 +1,34 @@
+// Copyright 2024 The Kubeflow Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package model
+
+type PeriodicSchedule struct {
+	// Time at which scheduling starts.
+	// If no start time is specified, the StartTime is the creation time of the schedule.
+	PeriodicScheduleStartTimeInSec *int64 `gorm:"column:PeriodicScheduleStartTimeInSec;"`
+
+	// Time at which scheduling ends.
+	// If no end time is specified, the EndTime is the end of time.
+	PeriodicScheduleEndTimeInSec *int64 `gorm:"column:PeriodicScheduleEndTimeInSec;"`
+
+	// Interval describing when a workflow should be created within the
+	// time interval defined by StartTime and EndTime.
+	IntervalSecond *int64 `gorm:"column:IntervalSecond;"`
+}
+
+func (p PeriodicSchedule) IsEmpty() bool {
+	return (p.PeriodicScheduleStartTimeInSec == nil || *p.PeriodicScheduleStartTimeInSec == 0) &&
+		(p.PeriodicScheduleEndTimeInSec == nil || *p.PeriodicScheduleEndTimeInSec == 0) &&
+		(p.IntervalSecond == nil || *p.IntervalSecond == 0)
+}
diff --git a/backend/src/apiserver/template/template.go b/backend/src/apiserver/template/template.go
index 611b05b3f3f..738838c1651 100644
--- a/backend/src/apiserver/template/template.go
+++ b/backend/src/apiserver/template/template.go
@@ -232,7 +232,7 @@ func modelToParametersMap(modelParameters string) (map[string]string, error) {
 func modelToCRDTrigger(modelTrigger model.Trigger) (scheduledworkflow.Trigger, error) {
 	crdTrigger := scheduledworkflow.Trigger{}
 	// CronSchedule and PeriodicSchedule can have at most one being non-empty
-	if modelTrigger.CronSchedule != (model.CronSchedule{}) {
+	if !modelTrigger.CronSchedule.IsEmpty() {
 		// Check if CronSchedule is non-empty
 		crdCronSchedule := scheduledworkflow.CronSchedule{}
 		if modelTrigger.Cron != nil {
@@ -247,7 +247,7 @@ func modelToCRDTrigger(modelTrigger model.Trigger) (scheduledworkflow.Trigger, e
 			crdCronSchedule.EndTime = &endTime
 		}
 		crdTrigger.CronSchedule = &crdCronSchedule
-	} else if modelTrigger.PeriodicSchedule != (model.PeriodicSchedule{}) {
+	} else if !modelTrigger.PeriodicSchedule.IsEmpty() {
 		// Check if PeriodicSchedule is non-empty
 		crdPeriodicSchedule := scheduledworkflow.PeriodicSchedule{}
 		if modelTrigger.IntervalSecond != nil {