diff --git a/addons/hr_holidays/models/hr_leave_allocation.py b/addons/hr_holidays/models/hr_leave_allocation.py
index 3fa1237f99c..9467d68584f 100644
--- a/addons/hr_holidays/models/hr_leave_allocation.py
+++ b/addons/hr_holidays/models/hr_leave_allocation.py
@@ -357,7 +357,7 @@ class HolidaysAllocation(models.Model):
         current_level = False
         current_level_idx = -1
         for idx, level in enumerate(level_ids):
-            if date >= self.date_from + get_timedelta(level.start_count, level.start_type):
+            if date > self.date_from + get_timedelta(level.start_count, level.start_type):
                 current_level = level
                 current_level_idx = idx
         # If transition_mode is set to `immediately` or we are currently on the first level
@@ -421,7 +421,7 @@ class HolidaysAllocation(models.Model):
                 allocation.nextcall = first_level._get_next_date(allocation.lastcall)
                 if len(level_ids) > 1:
                     second_level_start_date = allocation.date_from + get_timedelta(level_ids[1].start_count, level_ids[1].start_type)
-                    allocation.nextcall = min(second_level_start_date - relativedelta(days=1), allocation.nextcall)
+                    allocation.nextcall = min(second_level_start_date, allocation.nextcall)
                 allocation._message_log(body=first_allocation)
             days_added_per_level = defaultdict(lambda: 0)
             while allocation.nextcall <= date_to:
@@ -435,7 +435,7 @@ class HolidaysAllocation(models.Model):
                 # Also prorate this accrual in the event that we are passing from one level to another
                 if current_level_idx < (len(level_ids) - 1) and allocation.accrual_plan_id.transition_mode == 'immediately':
                     next_level = level_ids[current_level_idx + 1]
-                    current_level_last_date = allocation.date_from + get_timedelta(next_level.start_count, next_level.start_type) - relativedelta(days=1)
+                    current_level_last_date = allocation.date_from + get_timedelta(next_level.start_count, next_level.start_type)
                     if allocation.nextcall != current_level_last_date:
                         nextcall = min(nextcall, current_level_last_date)
 
diff --git a/addons/hr_holidays/tests/test_accrual_allocations.py b/addons/hr_holidays/tests/test_accrual_allocations.py
index 9830ac2c85e..799270bf5ba 100644
--- a/addons/hr_holidays/tests/test_accrual_allocations.py
+++ b/addons/hr_holidays/tests/test_accrual_allocations.py
@@ -639,7 +639,54 @@ class TestAccrualAllocations(TestHrHolidaysCommon):
         allocation.action_validate()
         with freeze_time('2022-1-10'):
             allocation._update_accrual()
-        self.assertAlmostEqual(allocation.number_of_days, 30.79, 2, "Invalid number of days")
+        self.assertAlmostEqual(allocation.number_of_days, 30.82, 2, "Invalid number of days")
+
+    def test_three_levels_accrual(self):
+        accrual_plan = self.env['hr.leave.accrual.plan'].with_context(tracking_disable=True).create({
+            'name': 'Accrual Plan For Test',
+            'level_ids': [(0, 0, {
+                'start_count': 2,
+                'start_type': 'month',
+                'added_value': 3,
+                'added_value_type': 'days',
+                'frequency': 'monthly',
+                'maximum_leave': 3,
+                'action_with_unused_accruals': 'postponed',
+                'first_day': 31,
+            }), (0, 0, {
+                'start_count': 3,
+                'start_type': 'month',
+                'added_value': 6,
+                'added_value_type': 'days',
+                'frequency': 'monthly',
+                'maximum_leave': 6,
+                'action_with_unused_accruals': 'postponed',
+                'first_day': 31,
+            }), (0, 0, {
+                'start_count': 4,
+                'start_type': 'month',
+                'added_value': 1,
+                'added_value_type': 'days',
+                'frequency': 'monthly',
+                'maximum_leave': 100,
+                'action_with_unused_accruals': 'postponed',
+                'first_day': 31,
+            })],
+        })
+        allocation = self.env['hr.leave.allocation'].with_user(self.user_hrmanager_id).with_context(tracking_disable=True).create({
+            'name': 'Accrual Allocation - Test',
+            'accrual_plan_id': accrual_plan.id,
+            'employee_id': self.employee_emp.id,
+            'holiday_status_id': self.leave_type.id,
+            'number_of_days': 0,
+            'allocation_type': 'accrual',
+            'date_from': datetime.date(2022, 1, 31),
+        })
+        allocation.action_confirm()
+        allocation.action_validate()
+        with freeze_time('2022-7-20'):
+            allocation._update_accrual()
+        self.assertEqual(allocation.number_of_days, 10)
 
     def test_accrual_lost_previous_days(self):
         # Test that when an allocation with two levels is made and that the first level has it's action