diff --git a/worktime/app/utility.py b/worktime/app/utility.py
index 8008767..e2f5eb7 100644
--- a/worktime/app/utility.py
+++ b/worktime/app/utility.py
@@ -13,7 +13,11 @@ def clear():
 
 
 def get_current_datetime():
-    """Return the current date and time in Dublin in a dictionary."""
+    """Get the current datetime of Dublin.
+
+    Returns:
+        dict: The current year, date and time of Dublin.
+    """
     DUBLIN = pytz.timezone("Europe/Dublin")
     now = datetime.now(DUBLIN)
     date = now.date().strftime("%d/%m/%Y")
@@ -21,17 +25,20 @@ def get_current_datetime():
     return {"year": now.year, "date": date, "time": time}
 
 
-def get_week(data, result):
+def get_week(xdate, result):
     """Return a list of a week(inc./excl. weekend) of the given date.
 
     Args:
-        :data class: An instance of datetime.date.
-        :result str: Including or excluding weekend
+        :xdate class: An instance of datetime.date().
+        :result str: Including or excluding weekend.
+
+    Returns
+        list: Dates of a week.
     """
     # Source: ALFAFA's answer on Stack Overflow
     # https://stackoverflow.com/questions/56163008
-    week = data.isocalendar()[2]
-    start = data - timedelta(days=week)
+    week = xdate.isocalendar()[2]
+    start = xdate - timedelta(days=week)
     dates = []
     if result == "weekdays":
         for day in range(1, 6):
@@ -42,14 +49,35 @@ def get_week(data, result):
     return dates
 
 
-def convert_date(data):
-    """Convert a date to an instance of datetime.date.
+def convert_date(xdate):
+    """Split a string into a list of integers that represet
+    year, month and date, and then pass them to date().
 
     Args:
-        :data str: A day/month/year formatted date.
+        :xdate str: A day/month/year formatted date.
+
+    Returns:
+        class: A instans of datetime.date().
     """
-    date_to_list = data.split("/")
+    date_to_list = xdate.split("/")
     year = int(date_to_list[2])
     month = int(date_to_list[1])
     day = int(date_to_list[0])
     return date(year, month, day)
+
+
+def get_num_of_weekdays(date1, date2):
+    """Calculate total number of weekdays between two dates.
+
+    Args:
+        :date1: Start date.
+        :date2: End date.
+
+    Returns:
+        int: Total number of weekdays.
+    """
+    # Source: Dave Webb's answer on Stack Overflow
+    # https://stackoverflow.com/questions/3615375
+    days = (date1 + timedelta(n) for n in range((date2 - date1).days + 1))
+    total_weekdays = sum(1 for day in days if day.weekday() < 5)
+    return total_weekdays