diff --git a/handler/api/rest/v3/course.go b/handler/api/rest/v3/course.go
index 0c5ab8a..f71e0f2 100644
--- a/handler/api/rest/v3/course.go
+++ b/handler/api/rest/v3/course.go
@@ -470,21 +470,21 @@ func fromApiTimetableDay(q openapi.SearchCourseTimetableQueryDays, module timeta
 		ret = append(ret, schedules...)
 	}
 
-	if q.Intensive != nil {
+	if q.Intensive != nil && q.Intensive.N0 != nil && *q.Intensive.N0 {
 		ret = append(ret, timetabledomain.Schedule{
 			Module: module,
 			Day:    timetabledomain.DayIntensive,
 		})
 	}
 
-	if q.AnyTime != nil {
+	if q.AnyTime != nil && q.AnyTime.N0 != nil && *q.AnyTime.N0 {
 		ret = append(ret, timetabledomain.Schedule{
 			Module: module,
 			Day:    timetabledomain.DayAnyTime,
 		})
 	}
 
-	if q.Appointment != nil {
+	if q.Appointment != nil && q.Appointment.N0 != nil && *q.Appointment.N0 {
 		ret = append(ret, timetabledomain.Schedule{
 			Module: module,
 			Day:    timetabledomain.DayAppointment,
diff --git a/module/schoolcalendar/module.go b/module/schoolcalendar/module.go
index 2ed6739..bfd7f44 100644
--- a/module/schoolcalendar/module.go
+++ b/module/schoolcalendar/module.go
@@ -26,4 +26,12 @@ type UseCase interface {
 	//
 	// [Authentication] not required
 	GetModuleDetails(ctx context.Context, year shareddomain.AcademicYear) ([]*schoolcalendardomain.ModuleDetail, error)
+
+	// GetModuleByDate returns the module corresponding to the given date.
+	//
+	// [Authentication] not required
+	//
+	// [Error Code]
+	//   - shared.NotFound
+	GetModuleByDate(ctx context.Context, date civil.Date) (schoolcalendardomain.Module, error)
 }
diff --git a/module/schoolcalendar/port/repository.go b/module/schoolcalendar/port/repository.go
index f48b56f..fd43604 100644
--- a/module/schoolcalendar/port/repository.go
+++ b/module/schoolcalendar/port/repository.go
@@ -31,5 +31,7 @@ type ListEventsConds struct {
 // ModuleDetail
 
 type ListModuleDetailsConds struct {
-	Year *shareddomain.AcademicYear
+	Year               *shareddomain.AcademicYear
+	StartBeforeOrEqual *civil.Date
+	EndAfterOrEqual    *civil.Date
 }
diff --git a/module/schoolcalendar/repository/module_detail.go b/module/schoolcalendar/repository/module_detail.go
index 39c75ce..91f52ad 100644
--- a/module/schoolcalendar/repository/module_detail.go
+++ b/module/schoolcalendar/repository/module_detail.go
@@ -21,9 +21,19 @@ func (r *impl) ListModuleDetails(ctx context.Context, conds schoolcalendarport.L
 		})
 	}
 
-	moduleDetails = base.Map(moduleDetails, func(moduleDetail *schoolcalendardomain.ModuleDetail) *schoolcalendardomain.ModuleDetail {
-		return moduleDetail.Clone()
-	})
+	if conds.StartBeforeOrEqual != nil {
+		moduleDetails = lo.Filter(moduleDetails, func(moduleDetail *schoolcalendardomain.ModuleDetail, _ int) bool {
+			return moduleDetail.Start.Before(*conds.StartBeforeOrEqual) || moduleDetail.Start == *conds.StartBeforeOrEqual
+		})
+	}
+
+	if conds.EndAfterOrEqual != nil {
+		moduleDetails = lo.Filter(moduleDetails, func(moduleDetail *schoolcalendardomain.ModuleDetail, _ int) bool {
+			return moduleDetail.End.After(*conds.EndAfterOrEqual) || moduleDetail.End == *conds.EndAfterOrEqual
+		})
+	}
+
+	moduleDetails = base.MapByClone(moduleDetails)
 
 	return moduleDetails, nil
 }
diff --git a/module/schoolcalendar/usecase/module_detail.go b/module/schoolcalendar/usecase/module_detail.go
index 66c8d4e..0161e59 100644
--- a/module/schoolcalendar/usecase/module_detail.go
+++ b/module/schoolcalendar/usecase/module_detail.go
@@ -2,10 +2,14 @@ package schoolcalendarusecase
 
 import (
 	"context"
+	"fmt"
 
+	"cloud.google.com/go/civil"
+	"github.com/twin-te/twinte-back/apperr"
 	schoolcalendardomain "github.com/twin-te/twinte-back/module/schoolcalendar/domain"
 	schoolcalendarport "github.com/twin-te/twinte-back/module/schoolcalendar/port"
 	shareddomain "github.com/twin-te/twinte-back/module/shared/domain"
+	sharederr "github.com/twin-te/twinte-back/module/shared/err"
 	sharedport "github.com/twin-te/twinte-back/module/shared/port"
 )
 
@@ -14,3 +18,19 @@ func (uc *impl) GetModuleDetails(ctx context.Context, year shareddomain.Academic
 		Year: &year,
 	}, sharedport.LockNone)
 }
+
+func (uc *impl) GetModuleByDate(ctx context.Context, date civil.Date) (schoolcalendardomain.Module, error) {
+	moduleDetails, err := uc.r.ListModuleDetails(ctx, schoolcalendarport.ListModuleDetailsConds{
+		StartBeforeOrEqual: &date,
+		EndAfterOrEqual:    &date,
+	}, sharedport.LockNone)
+	if err != nil {
+		return 0, err
+	}
+
+	if len(moduleDetails) == 0 {
+		return 0, apperr.New(sharederr.CodeNotFound, fmt.Sprintf("not found module corresponding to the date %s", date))
+	}
+
+	return moduleDetails[0].Module, nil
+}
diff --git a/module/timetable/repository/search.go b/module/timetable/repository/search.go
index 16963d6..db7b695 100644
--- a/module/timetable/repository/search.go
+++ b/module/timetable/repository/search.go
@@ -22,39 +22,49 @@ func (r *impl) SearchCourses(ctx context.Context, conds timetableport.SearchCour
 	}
 
 	// Filter by keywords
-	courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
-		return lo.EveryBy(conds.Keywords, func(keyword string) bool {
-			return strings.Contains(course.Name.String(), keyword)
+	if len(conds.Keywords) != 0 {
+		courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
+			return lo.EveryBy(conds.Keywords, func(keyword string) bool {
+				return strings.Contains(course.Name.String(), keyword)
+			})
 		})
-	})
+	}
 
 	// Filter by code prefixes
-	courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
-		return lo.EveryBy(conds.CodePrefixes.Included, func(code string) bool {
-			return strings.HasPrefix(course.Name.String(), code)
+	if len(conds.CodePrefixes.Included) != 0 {
+		courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
+			return lo.EveryBy(conds.CodePrefixes.Included, func(code string) bool {
+				return strings.HasPrefix(course.Code.String(), code)
+			})
 		})
-	})
-	courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
-		return lo.EveryBy(conds.CodePrefixes.Excluded, func(code string) bool {
-			return !strings.HasPrefix(course.Name.String(), code)
+	}
+	if len(conds.CodePrefixes.Excluded) != 0 {
+		courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
+			return lo.EveryBy(conds.CodePrefixes.Excluded, func(code string) bool {
+				return !strings.HasPrefix(course.Code.String(), code)
+			})
 		})
-	})
+	}
 
 	// Filter by schedules
-	courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
-		return lo.EveryBy(conds.Schedules.FullyIncluded, func(s1 timetabledomain.Schedule) bool {
-			return lo.SomeBy(course.Schedules, func(s2 timetabledomain.Schedule) bool {
-				return s1.Module == s2.Module && s1.Day == s2.Day && s1.Period == s2.Period
+	if len(conds.Schedules.FullyIncluded) != 0 {
+		courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
+			return lo.EveryBy(course.Schedules, func(s1 timetabledomain.Schedule) bool {
+				return lo.SomeBy(conds.Schedules.FullyIncluded, func(s2 timetabledomain.Schedule) bool {
+					return s1.Module == s2.Module && s1.Day == s2.Day && s1.Period == s2.Period
+				})
 			})
 		})
-	})
-	courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
-		return lo.SomeBy(conds.Schedules.PartiallyOverlapped, func(s1 timetabledomain.Schedule) bool {
-			return lo.SomeBy(course.Schedules, func(s2 timetabledomain.Schedule) bool {
-				return s1.Module == s2.Module && s1.Day == s2.Day && s1.Period == s2.Period
+	}
+	if len(conds.Schedules.PartiallyOverlapped) != 0 {
+		courses = lo.Filter(courses, func(course *timetabledomain.Course, _ int) bool {
+			return lo.SomeBy(course.Schedules, func(s1 timetabledomain.Schedule) bool {
+				return lo.SomeBy(conds.Schedules.PartiallyOverlapped, func(s2 timetabledomain.Schedule) bool {
+					return s1.Module == s2.Module && s1.Day == s2.Day && s1.Period == s2.Period
+				})
 			})
 		})
-	})
+	}
 
 	// Apply offset
 	courses = courses[lo.Clamp(conds.Offset, 0, len(courses)):]