diff --git a/cmd/server/calendar.go b/cmd/server/calendar.go
index 6512453..0419f28 100644
--- a/cmd/server/calendar.go
+++ b/cmd/server/calendar.go
@@ -13,14 +13,16 @@ func buildTasksForDay(plans []Plan, crops []Crop, products []Product, stepMap ma
 	return tasks
 }
 
-func buildCalendar(plans []Plan, crops []Crop, products []Product, stepMap map[int64][]CropStep, customTasks []CustomTask, doneMap map[string]bool, startMonth, startDay, daysPerMonth, spanMonths int) []CalendarMonth {
+func buildCalendar(plans []Plan, crops []Crop, products []Product, stepMap map[int64][]CropStep, customTasks []CustomTask, doneMap map[string]bool, startPeriod, startDay, daysPerMonth, spanMonths int) []CalendarMonth {
 	var out []CalendarMonth
+	startCycle := periodCycle(startPeriod)
 	for offset := 0; offset < spanMonths; offset++ {
-		month := wrapMonth(startMonth + offset)
-		yearOffset := (startMonth - 1 + offset) / 12
+		period := startPeriod + offset
+		month := periodMonth(period)
+		yearOffset := periodCycle(period) - startCycle
 		label := monthNames[month-1]
 		if yearOffset > 0 {
-			label = fmt.Sprintf("%s (+%d Jahr)", label, yearOffset)
+			label = fmt.Sprintf("%s (+%d Zyklus)", label, yearOffset)
 		}
 
 		fromDay := 1
@@ -30,7 +32,7 @@ func buildCalendar(plans []Plan, crops []Crop, products []Product, stepMap map[i
 
 		var days []CalendarDay
 		for d := fromDay; d <= daysPerMonth; d++ {
-			items := collectTasksForDate(plans, crops, products, stepMap, customTasks, month, d, yearOffset)
+			items := collectTasksForDate(plans, crops, products, stepMap, customTasks, period, d, yearOffset)
 			applyCompletion(items, doneMap)
 			sortTasks(items)
 			days = append(days, CalendarDay{Day: d, Tasks: items, Groups: groupTasksByField(items)})
@@ -65,11 +67,12 @@ func groupTasksByField(tasks []Task) []FieldTaskGroup {
 	return out
 }
 
-func collectTasksForDate(plans []Plan, crops []Crop, products []Product, stepMap map[int64][]CropStep, customTasks []CustomTask, month, day, yearOffset int) []Task {
+func collectTasksForDate(plans []Plan, crops []Crop, products []Product, stepMap map[int64][]CropStep, customTasks []CustomTask, period, day, yearOffset int) []Task {
 	var tasks []Task
+	month := periodMonth(period)
 
 	for _, p := range plans {
-		tasks = append(tasks, expandPlanDayTasks(p, stepMap[p.CropID], month, day, yearOffset)...)
+		tasks = append(tasks, expandPlanDayTasks(p, stepMap[p.CropID], period, day, yearOffset)...)
 	}
 	if day == 1 {
 		for _, c := range crops {
@@ -102,7 +105,7 @@ func collectTasksForDate(plans []Plan, crops []Crop, products []Product, stepMap
 		}
 	}
 	for _, c := range customTasks {
-		if c.Month == month && c.Day == day && c.YearOffset == yearOffset {
+		if c.TaskPeriod == period && c.Day == day {
 			field := c.TargetName
 			if strings.TrimSpace(field) == "" {
 				field = "Allgemein"
@@ -113,13 +116,13 @@ func collectTasksForDate(plans []Plan, crops []Crop, products []Product, stepMap
 			}
 			tasks = append(tasks, Task{
 				UID:        fmt.Sprintf("custom:%d", c.ID),
-				Type:       "Aufgabe",
-				Field:      field,
-				Message:    msg,
-				Month:      month,
-				Day:        day,
-				YearOffset: yearOffset,
-				SortOrder:  40,
+					Type:       "Aufgabe",
+					Field:      field,
+					Message:    msg,
+					Month:      periodMonth(period),
+					Day:        day,
+					YearOffset: yearOffset,
+					SortOrder:  40,
 			})
 		}
 	}
@@ -127,18 +130,18 @@ func collectTasksForDate(plans []Plan, crops []Crop, products []Product, stepMap
 	return tasks
 }
 
-func expandPlanDayTasks(p Plan, steps []CropStep, month, day, yearOffset int) []Task {
+func expandPlanDayTasks(p Plan, steps []CropStep, period, day, yearOffset int) []Task {
 	field := p.TargetName
 	if strings.TrimSpace(field) == "" {
 		field = "Unbekanntes Feld"
 	}
+	month := periodMonth(period)
 
 	var out []Task
-	baseHarvest := p.HarvestMonth
 
-	if p.StartMonth == month && p.StartDay == day && yearOffset == 0 {
+	if p.StartPeriod == period && p.StartDay == day {
 		out = append(out, Task{
-			UID:        fmt.Sprintf("plan:%d:sow:0", p.ID),
+			UID:        fmt.Sprintf("plan:%d:sow:%d", p.ID, p.StartPeriod),
 			Type:       "Aussaat",
 			Field:      field,
 			Message:    withOptionalNote(fmt.Sprintf("Aussaat %s", p.CropName), p.Notes),
@@ -149,21 +152,21 @@ func expandPlanDayTasks(p Plan, steps []CropStep, month, day, yearOffset int) []
 		})
 	}
 
-	harvestMonths := []int{baseHarvest}
+	harvestPeriods := []int{p.HarvestPeriod}
 	if p.RegrowEnabled {
 		maxExtra := p.RegrowCycles
 		if maxExtra == 0 {
 			maxExtra = 24
 		}
 		for i := 1; i <= maxExtra; i++ {
-			harvestMonths = append(harvestMonths, wrapMonth(baseHarvest+(i*p.HarvestDistance())))
+			harvestPeriods = append(harvestPeriods, p.HarvestPeriod+(i*p.HarvestDistance()))
 		}
 	}
-	harvestMonths = uniqueMonths(harvestMonths)
+	harvestPeriods = uniquePeriods(harvestPeriods)
 
-	for idx, hm := range harvestMonths {
-		if hm == month && p.HarvestDay == day {
-			uid := fmt.Sprintf("plan:%d:harvest:%d", p.ID, idx)
+	for _, harvestPeriod := range harvestPeriods {
+		if harvestPeriod == period && p.HarvestDay == day {
+			uid := fmt.Sprintf("plan:%d:harvest:%d", p.ID, harvestPeriod)
 			out = append(out, Task{
 				UID:        uid,
 				Type:       "Ernte",
@@ -180,10 +183,10 @@ func expandPlanDayTasks(p Plan, steps []CropStep, month, day, yearOffset int) []
 	for _, s := range steps {
 		switch s.Phase {
 		case "pre":
-			taskMonth := wrapMonth(p.StartMonth - s.MonthOffset)
-			if taskMonth == month && p.StartDay == day && yearOffset == 0 {
+			taskPeriod := p.StartPeriod - s.MonthOffset
+			if taskPeriod == period && p.StartDay == day {
 				out = append(out, Task{
-					UID:        fmt.Sprintf("plan:%d:pre:%d", p.ID, s.ID),
+					UID:        fmt.Sprintf("plan:%d:pre:%d:%d", p.ID, s.ID, taskPeriod),
 					Type:       "Vorbereitung",
 					Field:      field,
 					Message:    s.Title,
@@ -194,11 +197,11 @@ func expandPlanDayTasks(p Plan, steps []CropStep, month, day, yearOffset int) []
 				})
 			}
 		case "post":
-			for idx, hm := range harvestMonths {
-				taskMonth := wrapMonth(hm + s.MonthOffset)
-				if taskMonth == month && p.HarvestDay == day {
+			for _, harvestPeriod := range harvestPeriods {
+				taskPeriod := harvestPeriod + s.MonthOffset
+				if taskPeriod == period && p.HarvestDay == day {
 					out = append(out, Task{
-						UID:        fmt.Sprintf("plan:%d:post:%d:%d", p.ID, s.ID, idx),
+						UID:        fmt.Sprintf("plan:%d:post:%d:%d", p.ID, s.ID, taskPeriod),
 						Type:       "Nachbereitung",
 						Field:      field,
 						Message:    s.Title,
@@ -252,7 +255,7 @@ func sortTasks(tasks []Task) {
 	})
 }
 
-func uniqueMonths(values []int) []int {
+func uniquePeriods(values []int) []int {
 	seen := make(map[int]bool)
 	var out []int
 	for _, v := range values {
diff --git a/cmd/server/db.go b/cmd/server/db.go
index 9d0def6..52b7548 100644
--- a/cmd/server/db.go
+++ b/cmd/server/db.go
@@ -11,12 +11,15 @@ func ensureSchema(db *sql.DB) error {
 			id TINYINT PRIMARY KEY,
 			days_per_month INT NOT NULL DEFAULT 2,
 			current_month TINYINT NOT NULL DEFAULT 1,
+			current_cycle INT NOT NULL DEFAULT 0,
 			current_day TINYINT NOT NULL DEFAULT 1
 		)`,
 		`ALTER TABLE settings ADD COLUMN IF NOT EXISTS current_month TINYINT NOT NULL DEFAULT 1`,
+		`ALTER TABLE settings ADD COLUMN IF NOT EXISTS current_cycle INT NOT NULL DEFAULT 0`,
 		`ALTER TABLE settings ADD COLUMN IF NOT EXISTS current_day TINYINT NOT NULL DEFAULT 1`,
-		`INSERT INTO settings(id,days_per_month,current_month,current_day) VALUES (1,2,1,1) ON DUPLICATE KEY UPDATE id=id`,
+		`INSERT INTO settings(id,days_per_month,current_month,current_cycle,current_day) VALUES (1,2,1,0,1) ON DUPLICATE KEY UPDATE id=id`,
 		`UPDATE settings SET current_month=1 WHERE current_month < 1 OR current_month > 12`,
+		`UPDATE settings SET current_cycle=0 WHERE current_cycle < 0`,
 		`UPDATE settings SET current_day=1 WHERE current_day < 1`,
 
 		`CREATE TABLE IF NOT EXISTS fields(
@@ -71,6 +74,7 @@ func ensureSchema(db *sql.DB) error {
 			id BIGINT AUTO_INCREMENT PRIMARY KEY,
 			template_id BIGINT NULL,
 			title VARCHAR(140) NOT NULL,
+			task_period INT NOT NULL DEFAULT 0,
 			month TINYINT NOT NULL,
 			day TINYINT NOT NULL,
 			year_offset SMALLINT NOT NULL DEFAULT 0,
@@ -95,8 +99,10 @@ func ensureSchema(db *sql.DB) error {
 			target_ref VARCHAR(80) NOT NULL DEFAULT '',
 			target_name VARCHAR(140) NOT NULL DEFAULT '',
 			crop_id BIGINT NOT NULL,
+			start_period INT NOT NULL DEFAULT 0,
 			start_month TINYINT NOT NULL,
 			start_day TINYINT NOT NULL,
+			harvest_period INT NOT NULL DEFAULT 0,
 			harvest_month TINYINT NOT NULL,
 			harvest_day TINYINT NOT NULL,
 			notes VARCHAR(255) NOT NULL DEFAULT '',
@@ -107,6 +113,12 @@ func ensureSchema(db *sql.DB) error {
 		`ALTER TABLE plans MODIFY COLUMN field_id BIGINT NULL`,
 		`ALTER TABLE plans ADD COLUMN IF NOT EXISTS target_ref VARCHAR(80) NOT NULL DEFAULT '' AFTER field_id`,
 		`ALTER TABLE plans ADD COLUMN IF NOT EXISTS target_name VARCHAR(140) NOT NULL DEFAULT '' AFTER target_ref`,
+		`ALTER TABLE plans ADD COLUMN IF NOT EXISTS start_period INT NOT NULL DEFAULT 0 AFTER crop_id`,
+		`ALTER TABLE plans ADD COLUMN IF NOT EXISTS harvest_period INT NOT NULL DEFAULT 0 AFTER start_day`,
+		`UPDATE plans SET start_period = start_month - 1 WHERE start_period = 0 AND start_month <> 1`,
+		`UPDATE plans SET harvest_period = start_period + (CASE WHEN harvest_month >= start_month THEN harvest_month - start_month ELSE harvest_month + 12 - start_month END) WHERE harvest_period = 0`,
+		`ALTER TABLE custom_tasks ADD COLUMN IF NOT EXISTS task_period INT NOT NULL DEFAULT 0 AFTER title`,
+		`UPDATE custom_tasks SET task_period = (year_offset * 12) + (month - 1) WHERE task_period = 0 AND (year_offset <> 0 OR month <> 1)`,
 	}
 	for _, stmt := range stmts {
 		if _, err := db.Exec(stmt); err != nil {
@@ -118,8 +130,8 @@ func ensureSchema(db *sql.DB) error {
 
 func (a *App) getSettings() (Settings, error) {
 	var s Settings
-	err := a.db.QueryRow(`SELECT days_per_month,current_month,current_day FROM settings WHERE id=1`).
-		Scan(&s.DaysPerMonth, &s.CurrentMonth, &s.CurrentDay)
+	err := a.db.QueryRow(`SELECT days_per_month,current_month,current_cycle,current_day FROM settings WHERE id=1`).
+		Scan(&s.DaysPerMonth, &s.CurrentMonth, &s.CurrentCycle, &s.CurrentDay)
 	return s, err
 }
 
@@ -199,10 +211,10 @@ func (a *App) listProducts() ([]Product, error) {
 
 func (a *App) listPlans() ([]Plan, error) {
 	rows, err := a.db.Query(`
-		SELECT p.id,p.field_id,COALESCE(p.target_ref,''),COALESCE(p.target_name,''),p.crop_id,COALESCE(c.name,''),COALESCE(c.grow_months,1),p.start_month,p.start_day,p.harvest_month,p.harvest_day,COALESCE(p.notes,''),COALESCE(c.regrow_enabled,0),COALESCE(c.regrow_cycles,0)
+		SELECT p.id,p.field_id,COALESCE(p.target_ref,''),COALESCE(p.target_name,''),p.crop_id,COALESCE(c.name,''),COALESCE(c.grow_months,1),p.start_period,p.start_month,p.start_day,p.harvest_period,p.harvest_month,p.harvest_day,COALESCE(p.notes,''),COALESCE(c.regrow_enabled,0),COALESCE(c.regrow_cycles,0)
 		FROM plans p
 		JOIN crops c ON c.id=p.crop_id
-		ORDER BY p.start_month,p.start_day,p.id DESC`)
+		ORDER BY p.start_period,p.start_day,p.id DESC`)
 	if err != nil {
 		return nil, err
 	}
@@ -210,9 +222,11 @@ func (a *App) listPlans() ([]Plan, error) {
 	var out []Plan
 	for rows.Next() {
 		var p Plan
-		if err := rows.Scan(&p.ID, &p.FieldID, &p.TargetRef, &p.TargetName, &p.CropID, &p.CropName, &p.GrowMonths, &p.StartMonth, &p.StartDay, &p.HarvestMonth, &p.HarvestDay, &p.Notes, &p.RegrowEnabled, &p.RegrowCycles); err != nil {
+		if err := rows.Scan(&p.ID, &p.FieldID, &p.TargetRef, &p.TargetName, &p.CropID, &p.CropName, &p.GrowMonths, &p.StartPeriod, &p.StartMonth, &p.StartDay, &p.HarvestPeriod, &p.HarvestMonth, &p.HarvestDay, &p.Notes, &p.RegrowEnabled, &p.RegrowCycles); err != nil {
 			return nil, err
 		}
+		p.StartCycle = periodCycle(p.StartPeriod)
+		p.HarvestCycle = periodCycle(p.HarvestPeriod)
 		out = append(out, p)
 	}
 	return out, rows.Err()
@@ -272,9 +286,9 @@ func (a *App) listCustomTaskTemplates() ([]CustomTaskTemplate, error) {
 
 func (a *App) listCustomTasks() ([]CustomTask, error) {
 	rows, err := a.db.Query(`
-		SELECT id,template_id,title,month,day,year_offset,COALESCE(target_name,''),COALESCE(notes,'')
+		SELECT id,template_id,title,task_period,month,day,year_offset,COALESCE(target_name,''),COALESCE(notes,'')
 		FROM custom_tasks
-		ORDER BY year_offset, month, day, title`)
+		ORDER BY task_period, day, title`)
 	if err != nil {
 		return nil, err
 	}
@@ -283,9 +297,11 @@ func (a *App) listCustomTasks() ([]CustomTask, error) {
 	var out []CustomTask
 	for rows.Next() {
 		var t CustomTask
-		if err := rows.Scan(&t.ID, &t.TemplateID, &t.Title, &t.Month, &t.Day, &t.YearOffset, &t.TargetName, &t.Notes); err != nil {
+		if err := rows.Scan(&t.ID, &t.TemplateID, &t.Title, &t.TaskPeriod, &t.Month, &t.Day, &t.YearOffset, &t.TargetName, &t.Notes); err != nil {
 			return nil, err
 		}
+		t.Month = periodMonth(t.TaskPeriod)
+		t.Cycle = periodCycle(t.TaskPeriod)
 		out = append(out, t)
 	}
 	return out, rows.Err()
diff --git a/cmd/server/domain.go b/cmd/server/domain.go
index a5d8d50..9afa95e 100644
--- a/cmd/server/domain.go
+++ b/cmd/server/domain.go
@@ -90,6 +90,20 @@ func monthOptions() []MonthOption {
 	return out
 }
 
+func cycleOffsetOptions(maxOffset int) []CycleOption {
+	if maxOffset < 0 {
+		maxOffset = 0
+	}
+	out := make([]CycleOption, 0, maxOffset+1)
+	for i := 0; i <= maxOffset; i++ {
+		out = append(out, CycleOption{
+			Value: i,
+			Label: fmt.Sprintf("+%d Zyklus", i),
+		})
+	}
+	return out
+}
+
 func monthInWindow(month, start, end int) bool {
 	if start <= end {
 		return month >= start && month <= end
@@ -105,6 +119,14 @@ func wrapMonth(v int) int {
 	return m
 }
 
+func periodMonth(period int) int {
+	return (period % 12) + 1
+}
+
+func periodCycle(period int) int {
+	return period / 12
+}
+
 func validateCropInput(name string, start, end, grow, regrowCycles int) error {
 	if name == "" {
 		return errors.New("Name der Feldfrucht fehlt")
diff --git a/cmd/server/handlers_actions.go b/cmd/server/handlers_actions.go
index 835dd0c..ba0895d 100644
--- a/cmd/server/handlers_actions.go
+++ b/cmd/server/handlers_actions.go
@@ -46,12 +46,13 @@ func (a *App) handleSetCurrentTime(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	month := mustInt(r.FormValue("current_month"), 1)
+	cycle := mustInt(r.FormValue("current_cycle"), settings.CurrentCycle)
 	day := mustInt(r.FormValue("current_day"), 1)
-	if month < 1 || month > 12 || day < 1 || day > settings.DaysPerMonth {
+	if month < 1 || month > 12 || cycle < 0 || day < 1 || day > settings.DaysPerMonth {
 		redirectWithMessage(w, r, "/", "error", "Ingame-Zeit ungültig")
 		return
 	}
-	if _, err := a.db.Exec(`UPDATE settings SET current_month=?, current_day=? WHERE id=1`, month, day); err != nil {
+	if _, err := a.db.Exec(`UPDATE settings SET current_month=?, current_cycle=?, current_day=? WHERE id=1`, month, cycle, day); err != nil {
 		redirectWithMessage(w, r, "/", "error", "Ingame-Zeit nicht gespeichert")
 		return
 	}
@@ -369,6 +370,7 @@ func (a *App) handleCreatePlan(w http.ResponseWriter, r *http.Request) {
 	targetRef := strings.TrimSpace(r.FormValue("target_ref"))
 	cropID := mustInt64(r.FormValue("crop_id"), 0)
 	startMonth := mustInt(r.FormValue("start_month"), 1)
+	cycleOffset := mustInt(r.FormValue("cycle_offset"), 0)
 	startDay := mustInt(r.FormValue("start_day"), 1)
 	notes := strings.TrimSpace(r.FormValue("notes"))
 	if targetRef == "" || cropID <= 0 {
@@ -381,7 +383,7 @@ func (a *App) handleCreatePlan(w http.ResponseWriter, r *http.Request) {
 		redirectWithMessage(w, r, "/planning", "error", "Einstellungen nicht lesbar")
 		return
 	}
-	if startMonth < 1 || startMonth > 12 || startDay < 1 || startDay > settings.DaysPerMonth {
+	if startMonth < 1 || startMonth > 12 || cycleOffset < 0 || cycleOffset > 20 || startDay < 1 || startDay > settings.DaysPerMonth {
 		redirectWithMessage(w, r, "/planning", "error", "Startdatum ungültig")
 		return
 	}
@@ -404,11 +406,13 @@ func (a *App) handleCreatePlan(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	harvestMonth := wrapMonth(startMonth + c.GrowMonths)
+	startPeriod := ((settings.CurrentCycle + cycleOffset) * 12) + (startMonth - 1)
+	harvestPeriod := startPeriod + c.GrowMonths
+	harvestMonth := periodMonth(harvestPeriod)
 	harvestDay := startDay
 	_, err = a.db.Exec(
-		`INSERT INTO plans(field_id,target_ref,target_name,crop_id,start_month,start_day,harvest_month,harvest_day,notes) VALUES (?,?,?,?,?,?,?,?,?)`,
-		fieldID, targetRef, targetName, cropID, startMonth, startDay, harvestMonth, harvestDay, notes,
+		`INSERT INTO plans(field_id,target_ref,target_name,crop_id,start_period,start_month,start_day,harvest_period,harvest_month,harvest_day,notes) VALUES (?,?,?,?,?,?,?,?,?,?,?)`,
+		fieldID, targetRef, targetName, cropID, startPeriod, startMonth, startDay, harvestPeriod, harvestMonth, harvestDay, notes,
 	)
 	if err != nil {
 		redirectWithMessage(w, r, "/planning", "error", "Plan nicht gespeichert")
@@ -508,7 +512,7 @@ func (a *App) handleCreateCustomTask(w http.ResponseWriter, r *http.Request) {
 	title := strings.TrimSpace(r.FormValue("title"))
 	month := mustInt(r.FormValue("month"), 0)
 	day := mustInt(r.FormValue("day"), 0)
-	yearOffset := mustInt(r.FormValue("year_offset"), 0)
+	cycleOffset := mustInt(r.FormValue("cycle_offset"), 0)
 	targetName := strings.TrimSpace(r.FormValue("target_name"))
 	notes := strings.TrimSpace(r.FormValue("notes"))
 	settings, err := a.getSettings()
@@ -516,7 +520,7 @@ func (a *App) handleCreateCustomTask(w http.ResponseWriter, r *http.Request) {
 		redirectWithMessage(w, r, "/planning", "error", "Einstellungen nicht lesbar")
 		return
 	}
-	if month < 1 || month > 12 || day < 1 || day > settings.DaysPerMonth || yearOffset < 0 || yearOffset > 4 {
+	if month < 1 || month > 12 || day < 1 || day > settings.DaysPerMonth || cycleOffset < 0 || cycleOffset > 20 {
 		redirectWithMessage(w, r, "/planning", "error", "Aufgaben-Datum ungültig")
 		return
 	}
@@ -531,8 +535,9 @@ func (a *App) handleCreateCustomTask(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if _, err = a.db.Exec(`INSERT INTO custom_tasks(template_id,title,month,day,year_offset,target_name,notes) VALUES (?,?,?,?,?,?,?)`,
-		nullInt64(templateID), title, month, day, yearOffset, targetName, notes); err != nil {
+	taskPeriod := ((settings.CurrentCycle + cycleOffset) * 12) + (month - 1)
+	if _, err = a.db.Exec(`INSERT INTO custom_tasks(template_id,title,task_period,month,day,year_offset,target_name,notes) VALUES (?,?,?,?,?,?,?,?)`,
+		nullInt64(templateID), title, taskPeriod, month, day, cycleOffset, targetName, notes); err != nil {
 		redirectWithMessage(w, r, "/planning", "error", "Aufgabe konnte nicht gespeichert werden")
 		return
 	}
diff --git a/cmd/server/handlers_pages.go b/cmd/server/handlers_pages.go
index ef1dfe3..4e43f75 100644
--- a/cmd/server/handlers_pages.go
+++ b/cmd/server/handlers_pages.go
@@ -64,8 +64,8 @@ func (a *App) handleDashboard(w http.ResponseWriter, r *http.Request) {
 		},
 		Settings:      settings,
 		CurrentMonth:  monthNames[settings.CurrentMonth-1],
-		TodayTasks:    buildTasksForDay(plans, crops, products, stepMap, customTasks, doneMap, settings.CurrentMonth, settings.CurrentDay),
-		Calendar:      buildCalendar(plans, crops, products, stepMap, customTasks, doneMap, settings.CurrentMonth, settings.CurrentDay, settings.DaysPerMonth, 14),
+		TodayTasks:    buildTasksForDay(plans, crops, products, stepMap, customTasks, doneMap, (settings.CurrentCycle*12)+(settings.CurrentMonth-1), settings.CurrentDay),
+		Calendar:      buildCalendar(plans, crops, products, stepMap, customTasks, doneMap, (settings.CurrentCycle*12)+(settings.CurrentMonth-1), settings.CurrentDay, settings.DaysPerMonth, 14),
 		PlanningCount: len(plans),
 	}
 	data.TodayGroups = groupTasksByField(data.TodayTasks)
@@ -170,6 +170,7 @@ func (a *App) handlePlanningPage(w http.ResponseWriter, r *http.Request) {
 		},
 		Settings:        settings,
 		Months:          monthOptions(),
+		CycleOffsets:    cycleOffsetOptions(8),
 		Crops:           crops,
 		Plans:           plans,
 		PlanningTargets: buildPlanningTargets(fields),
diff --git a/cmd/server/main.go b/cmd/server/main.go
index 1de5076..c55411c 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -1,4 +1,4 @@
-package main
+package main
 
 import (
 	"database/sql"
@@ -99,3 +99,4 @@ func withLogging(next http.Handler) http.Handler {
 		log.Printf("%s %s %s", r.Method, r.URL.Path, time.Since(start).Round(time.Millisecond))
 	})
 }
+
diff --git a/cmd/server/types.go b/cmd/server/types.go
index 6601e54..a7017ff 100644
--- a/cmd/server/types.go
+++ b/cmd/server/types.go
@@ -5,6 +5,7 @@ import "database/sql"
 type Settings struct {
 	DaysPerMonth int
 	CurrentMonth int
+	CurrentCycle int
 	CurrentDay   int
 }
 
@@ -48,10 +49,14 @@ type Plan struct {
 	CropID       int64
 	CropName     string
 	GrowMonths   int
+	StartPeriod  int
 	StartMonth   int
 	StartDay     int
+	StartCycle   int
+	HarvestPeriod int
 	HarvestMonth int
 	HarvestDay   int
+	HarvestCycle int
 	Notes        string
 	RegrowEnabled bool
 	RegrowCycles  int
@@ -75,9 +80,11 @@ type CustomTask struct {
 	ID          int64
 	TemplateID  sql.NullInt64
 	Title       string
+	TaskPeriod  int
 	Month       int
 	Day         int
 	YearOffset  int
+	Cycle       int
 	TargetName  string
 	Notes       string
 }
@@ -104,6 +111,11 @@ type MonthOption struct {
 	Label string
 }
 
+type CycleOption struct {
+	Value int
+	Label string
+}
+
 type CalendarDay struct {
 	Day   int
 	Tasks []Task
@@ -156,6 +168,7 @@ type PlanningPage struct {
 	BasePage
 	Settings        Settings
 	Months          []MonthOption
+	CycleOffsets    []CycleOption
 	Crops           []Crop
 	Plans           []Plan
 	PlanningTargets []PlanningTarget
diff --git a/templates/dashboard.html b/templates/dashboard.html
index df09c77..5608ae7 100644
--- a/templates/dashboard.html
+++ b/templates/dashboard.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!doctype html>
 <html lang="de">
 <head>
   <meta charset="utf-8">
@@ -24,7 +24,7 @@
   <main class="layout">
     <section class="card">
       <h2>Aktuelle Ingame-Zeit</h2>
-      <p><strong>{{.CurrentMonth}} Tag {{.Settings.CurrentDay}}</strong> bei {{.Settings.DaysPerMonth}} Tagen pro Monat.</p>
+      <p><strong>{{.CurrentMonth}} Tag {{.Settings.CurrentDay}}</strong> im Zyklus {{.Settings.CurrentCycle}} bei {{.Settings.DaysPerMonth}} Tagen pro Monat.</p>
       <p>{{.PlanningCount}} Plan-Einträge insgesamt.</p>
       <form method="post" action="/settings/time" class="grid">
         <label>Monat
@@ -43,6 +43,9 @@
             <option value="12" {{if eq .Settings.CurrentMonth 12}}selected{{end}}>Dezember</option>
           </select>
         </label>
+        <label>Zyklus
+          <input type="number" name="current_cycle" min="0" value="{{.Settings.CurrentCycle}}">
+        </label>
         <label>Tag
           <input type="number" name="current_day" min="1" max="{{.Settings.DaysPerMonth}}" value="{{.Settings.CurrentDay}}">
         </label>
diff --git a/templates/planning.html b/templates/planning.html
index b566c64..f77fb60 100644
--- a/templates/planning.html
+++ b/templates/planning.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!doctype html>
 <html lang="de">
 <head>
   <meta charset="utf-8">
@@ -44,6 +44,13 @@
             {{end}}
           </select>
         </label>
+        <label>Zyklus-Offset
+          <select name="cycle_offset" required>
+            {{range .CycleOffsets}}
+            <option value="{{.Value}}">{{.Label}}</option>
+            {{end}}
+          </select>
+        </label>
         <label>Starttag
           <input type="number" name="start_day" min="1" max="{{.Settings.DaysPerMonth}}" value="{{.Settings.CurrentDay}}" required>
         </label>
@@ -88,8 +95,12 @@
         <label>Tag
           <input type="number" name="day" min="1" max="{{.Settings.DaysPerMonth}}" value="{{.Settings.CurrentDay}}">
         </label>
-        <label>Jahr-Offset
-          <input type="number" name="year_offset" min="0" max="4" value="0">
+        <label>Zyklus-Offset
+          <select name="cycle_offset">
+            {{range .CycleOffsets}}
+            <option value="{{.Value}}">{{.Label}}</option>
+            {{end}}
+          </select>
         </label>
         <label>Ziel (optional)
           <input type="text" name="target_name" maxlength="120" placeholder="z.B. Hof oder Feld 1+2">
@@ -112,8 +123,8 @@
               <tr>
                 <td>{{.TargetName}}</td>
                 <td>{{.CropName}}</td>
-                <td>Monat {{.StartMonth}} Tag {{.StartDay}}</td>
-                <td>Monat {{.HarvestMonth}} Tag {{.HarvestDay}}</td>
+                <td>Monat {{.StartMonth}} Tag {{.StartDay}} (Zyklus {{.StartCycle}})</td>
+                <td>Monat {{.HarvestMonth}} Tag {{.HarvestDay}} (Zyklus {{.HarvestCycle}})</td>
                 <td>{{.Notes}}</td>
                 <td>
                   <form method="post" action="/plans/delete">
@@ -142,7 +153,7 @@
               <tr>
                 <td>{{.Title}}</td>
                 <td>{{if .TargetName}}{{.TargetName}}{{else}}Allgemein{{end}}</td>
-                <td>Monat {{.Month}} Tag {{.Day}} (Jahr +{{.YearOffset}})</td>
+                <td>Monat {{.Month}} Tag {{.Day}} (Zyklus {{.Cycle}})</td>
                 <td>{{.Notes}}</td>
                 <td>
                   <form method="post" action="/custom-tasks/delete">