diff --git a/enums.py b/enums.py
index f864d76..6ad189b 100644
--- a/enums.py
+++ b/enums.py
@@ -9,12 +9,11 @@ import enum
 class ScheduleFormat(str, enum.Enum):
     """
     Enum to specify Schedule Format
+
     ZERO  - non programmable (time clocks cannot be non programmable)
     ONE   - same format every day of the week
     TWO   - 5 day / 2 day
     SEVEN - 7 day (every day different)
-
-
     """
 
     ZERO = "NONPROGRAMMABLE"
diff --git a/holiday.py b/holiday.py
new file mode 100644
index 0000000..df8c91f
--- /dev/null
+++ b/holiday.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+
+# SPDX-FileCopyrightText: 2020 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-License-Identifier: LGPL-3.0-or-later
+
+import datetime
+import enum
+
+class Holiday:
+    """
+    Class representing Holidays
+
+    start, end: holiday datetime objects or None
+    ids
+    """
+
+    def __init__(self, reply: str):
+        start = reply["start"]
+        if start:
+            self._start = datetime.datetime.strptime(start.strip(), "%a %b %d %H:%M:%S %Y")
+        else:
+            self._start = None
+
+        end = reply["end"]
+        if end:
+            self.end = datetime.datetime.strptime(end.strip(), "%a %b %d %H:%M:%S %Y")
+        else:
+            self._end = None
+
+        self._ids = reply["ids"]
+
+
+    @property
+    def start(self):
+        """ Beginning of holiday. """
+        return self._start
+
+
+    @property
+    def end(self):
+        """ End of holiday. """
+        return self._end
+
+
+    @property
+    def ids(self):
+        """ Devices that have holiday set up. """
+        return self._ids
diff --git a/neohub.py b/neohub.py
index 4422acd..fac0310 100644
--- a/neohub.py
+++ b/neohub.py
@@ -2,11 +2,13 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 import asyncio
+import datetime
 import json
 import logging
 
 from enums import ScheduleFormat
 from system import System
+from holiday import Holiday
 
 
 class NeoHub:
@@ -153,11 +155,38 @@ class NeoHub:
         return result
 
 
+    async def holiday(self, start: datetime.datetime, end: datetime.datetime):
+        """
+        Sets holiday mode.
+
+        start: beginning of holiday
+        end: end of holiday
+        """
+
+        message = {"HOLIDAY": [start.strftime("%H%M%S%d%m%Y"), end.strftime("%H%M%S%d%m%Y")]}
+
+        result = await self._send(message)
+        return result
+
     async def get_holiday(self):
         """
         Get list of holidays
+
+        Returns Holiday object
         """
         message = {"GET_HOLIDAY": 0}
 
         result = await self._send(message)
+        return Holiday(result)
+
+
+    async def cancel_holiday(self):
+        """
+        Cancels holidays and returns to normal schedule
+        """
+
+        message = {"CANCEL_HOLIDAY": 0}
+        reply = {"result": "holiday cancelled"}
+
+        result = await self._send(message, reply)
         return result
diff --git a/test.py b/test.py
index 91ce24a..39085ce 100755
--- a/test.py
+++ b/test.py
@@ -5,8 +5,9 @@
 
 
 import asyncio
-import neohub
+import datetime
 import logging
+import neohub
 
 from enums import ScheduleFormat
 
@@ -15,8 +16,10 @@ async def run():
     await hub.connect()
     system = await hub.get_system()
     print(vars(system))
-    result = await hub.get_holiday()
+    result = await hub.cancel_holiday()
     print(result)
+    result = await hub.get_holiday()
+    print(vars(result))
 
 
 logging.basicConfig(level=logging.DEBUG)