diff --git a/fixedcal/core/date.py b/fixedcal/core/date.py
index a9437a2..afa6c0b 100644
--- a/fixedcal/core/date.py
+++ b/fixedcal/core/date.py
@@ -1,4 +1,5 @@
 from datetime import datetime
+from math import floor
 
 class FixedDate:
     def __init__(self, date = None, day_of_year = None, year = None):
@@ -35,6 +36,10 @@ class FixedDate:
         """
         return (day_of_year, year)
 
+    @property
+    def day_of_year(self):
+        return self._day_of_year
+
     @property
     def day_of_month(self):
         """In range 1...29"""
@@ -54,7 +59,17 @@ class FixedDate:
     def is_year_day(self) -> bool:
         return self.month == 14 and self.day_of_month == 1
 
-    # TODO: week of month
+    @property
+    def week_of_month(self) -> int:
+        """The ordinal of the week in month. Value 1 for year day.
+
+        Returns:
+            int: In range 1...4
+        """
+        if self.is_year_day:
+            return 1
+        return ((self.day_of_month-1) // 7) + 1
+
     # TODO: week of year
     # TODO: weekday
     # TODO: year quarter
diff --git a/tests/basic_datetime_test.py b/tests/basic_datetime_test.py
index ca2d2c9..5cb8ee8 100644
--- a/tests/basic_datetime_test.py
+++ b/tests/basic_datetime_test.py
@@ -8,18 +8,24 @@ class TestBasicDatetimeInit(unittest.TestCase):
         self.assertEqual(fixed_date.year, 2022)
         self.assertEqual(fixed_date.month, 1)
         self.assertEqual(fixed_date.day_of_month, 1)
+        self.assertEqual(fixed_date.day_of_year, 1)
+        self.assertEqual(fixed_date.week_of_month, 1)
 
     def test_datetime_init_february_last(self):
         fixed_date = FixedDate(date=datetime(2022, 2, 25))
         self.assertEqual(fixed_date.year, 2022)
         self.assertEqual(fixed_date.month, 2)
         self.assertEqual(fixed_date.day_of_month, 28)
+        self.assertEqual(fixed_date.day_of_year, 56)
+        self.assertEqual(fixed_date.week_of_month, 4)
 
     def test_datetime_init_sol_month(self):
         fixed_date = FixedDate(date=datetime(2022, 6, 20))
         self.assertEqual(fixed_date.year, 2022)
         self.assertEqual(fixed_date.month, 7)
         self.assertEqual(fixed_date.day_of_month, 3)
+        self.assertEqual(fixed_date.day_of_year, 171)
+        self.assertEqual(fixed_date.week_of_month, 1)
 
     def test_datetime_init_december_last(self):
         fixed_date = FixedDate(date=datetime(2022, 12, 30))
@@ -27,6 +33,8 @@ class TestBasicDatetimeInit(unittest.TestCase):
         self.assertEqual(fixed_date.month, 13)
         self.assertEqual(fixed_date.day_of_month, 28)
         self.assertFalse(fixed_date.is_year_day)
+        self.assertEqual(fixed_date.day_of_year, 364)
+        self.assertEqual(fixed_date.week_of_month, 4)
 
     def test_datetime_init_year_day(self):
         fixed_date = FixedDate(date=datetime(2022, 12, 31))
@@ -34,3 +42,5 @@ class TestBasicDatetimeInit(unittest.TestCase):
         self.assertEqual(fixed_date.month, 14)
         self.assertEqual(fixed_date.day_of_month, 1)
         self.assertTrue(fixed_date.is_year_day)
+        self.assertEqual(fixed_date.day_of_year, 365)
+        self.assertEqual(fixed_date.week_of_month, 1)