diff --git a/python/datetime.py b/python/datetime.py
index 8d8dc1de..ea19dd73 100644
--- a/python/datetime.py
+++ b/python/datetime.py
@@ -1,7 +1,38 @@
-from time import localtime
+from time import localtime, time as current_time
+from datetime import datetime as dt, timedelta as td #internally using datetime , timedelta for __add__,__sub__
+
+class timedelta:
+    def __init__(self, days=0, seconds=0):
+        self.days = days
+        self.seconds = seconds
+
+    def __repr__(self):
+        return f"datetime.timedelta({self.days}, {self.seconds})"
+
+    def __eq__(self, other: 'timedelta') -> bool:
+        return (self.days, self.seconds) == (other.days, other.seconds)
+
+    def __lt__(self, other: 'timedelta') -> bool:
+        return (self.days, self.seconds) < (other.days, other.seconds)
+
+    def __le__(self, other: 'timedelta') -> bool:
+        return (self.days, self.seconds) <= (other.days, other.seconds)
+
+    def __gt__(self, other: 'timedelta') -> bool:
+        return (self.days, self.seconds) > (other.days, other.seconds)
+
+    def __ge__(self, other: 'timedelta') -> bool:
+        return (self.days, self.seconds) >= (other.days, other.seconds)
+
+class timezone:
+    def __init__(self, delta: timedelta):
+        self._delta = delta
+
+    def __repr__(self):
+        return f"datetime.timezone({self._delta})"
 
 class date:
-    def __init__(self, year: int, month: int, day: int):
+    def __init__(self, year: int, month: int=None, day: int=None):
         self.year = year
         self.month = month
         self.day = day
@@ -11,6 +42,29 @@ class date:
         t = localtime()
         return date(t.tm_year, t.tm_mon, t.tm_mday)
     
+    def __eq__(self, other: 'date') -> bool:
+        return self.year == other.year and self.month == other.month and self.day == other.day
+    
+    def __lt__(self, other: 'date') -> bool:
+        return (self.year, self.month, self.day) < (other.year, other.month, other.day)
+    
+    def __le__(self, other: 'date') -> bool:
+        return (self.year, self.month, self.day) <= (other.year, other.month, other.day)
+    
+    def __gt__(self, other: 'date') -> bool:
+        return (self.year, self.month, self.day) > (other.year, other.month, other.day)
+
+    def __ge__(self, other: 'date') -> bool:
+        return (self.year, self.month, self.day) >= (other.year, other.month, other.day)
+    
+    def __add__(self, other: 'timedelta') -> 'date':
+        new_date=dt(self.year,self.month,self.day)+td(other.days,other.seconds)
+        return date(new_date.year,new_date.month,new_date.day)
+
+    def __sub__(self, other: 'timedelta') -> 'date':
+        new_date=dt(self.year,self.month,self.day)-td(other.days,other.seconds)
+        return date(new_date.year,new_date.month,new_date.day)
+
     def __str__(self):
         return f"{self.year}-{self.month:02}-{self.day:02}"
     
@@ -18,11 +72,19 @@ class date:
         return f"datetime.date({self.year}, {self.month}, {self.day})"
 
 class datetime(date):
-    def __init__(self, year: int, month: int, day: int, hour: int, minute: int, second: int):
-        super(datetime, self).__init__(year, month, day)
+    def __init__(self, year: int, month: int = None, day: int = None, hour: int = None, minute: int = None, second: int = None, tzinfo: timezone = None):
+        super().__init__(year, month, day)
+        # Validate and set hour, minute, and second
+        if hour is not None and not 0 <= hour <= 23:
+            raise ValueError("Hour must be between 0 and 23")
         self.hour = hour
+        if minute is not None and not 0 <= minute <= 59:
+            raise ValueError("Minute must be between 0 and 59")
         self.minute = minute
+        if second is not None and not 0 <= second <= 59:
+            raise ValueError("Second must be between 0 and 59")
         self.second = second
+        self.tzinfo = tzinfo
 
     @staticmethod
     def now():
@@ -33,4 +95,39 @@ class datetime(date):
         return f"{self.year}-{self.month:02}-{self.day:02} {self.hour:02}:{self.minute:02}:{self.second:02}"
 
     def __repr__(self):
-        return f"datetime.datetime({self.year}, {self.month}, {self.day}, {self.hour}, {self.minute}, {self.second})"
\ No newline at end of file
+        return f"datetime.datetime({self.year}, {self.month}, {self.day}, {self.hour}, {self.minute}, {self.second})"
+    
+    def __eq__(self, other) -> bool:
+        return (self.year, self.month, self.day, self.hour, self.minute, self.second) == \
+               (other.year, other.month, other.day, other.hour, other.minute, other.second)
+
+    def __lt__(self, other) -> bool:
+        return (self.year, self.month, self.day, self.hour, self.minute, self.second) < \
+               (other.year, other.month, other.day, other.hour, other.minute, other.second)
+
+    def __le__(self, other) -> bool:
+        return (self.year, self.month, self.day, self.hour, self.minute, self.second) <= \
+               (other.year, other.month, other.day, other.hour, other.minute, other.second)
+
+    def __gt__(self, other) -> bool:
+        return (self.year, self.month, self.day, self.hour, self.minute, self.second) > \
+               (other.year, other.month, other.day, other.hour, other.minute, other.second)
+
+    def __ge__(self, other) -> bool:
+        return (self.year, self.month, self.day, self.hour, self.minute, self.second) >= \
+               (other.year, other.month, other.day, other.hour, other.minute, other.second)
+    
+    def __add__(self, other: 'timedelta') -> 'datetime':
+        new_datetime = dt(self.year, self.month, self.day, self.hour, self.minute, self.second) + td(days=other.days, seconds=other.seconds)
+        return datetime(new_datetime.year, new_datetime.month, new_datetime.day, new_datetime.hour, new_datetime.minute, new_datetime.second)
+    
+    def __sub__(self, other: 'timedelta') -> 'datetime':
+        total_seconds = self.second + other.seconds + other.days * 86400
+        new_datetime = self - timedelta(seconds=total_seconds)
+        return new_datetime
+    
+    def timestamp(self) -> float:
+        delta = self - datetime(1970, 1, 1)
+        return delta.total_seconds()
+
+