diff --git a/warbot.py b/warbot.py
index 124c244..6613878 100755
--- a/warbot.py
+++ b/warbot.py
@@ -19,6 +19,8 @@ DATA_LANG = "https://raw.githubusercontent.com/WFCD/warframe-worldstate-data/mas
 DATA_MISS = "https://raw.githubusercontent.com/WFCD/warframe-worldstate-data/master/data/missionTypes.json"
 DATA_SOL = "https://raw.githubusercontent.com/WFCD/warframe-worldstate-data/master/data/solNodes.json"
 
+CETUS_EPOCH = 1550435808
+
 
 class ClockThread(threading.Thread):
 	"""
@@ -215,6 +217,23 @@ class WarBot(irc.IRCClient):
 			self.msg(channel, "Data stores updated.")
 			return
 
+		if message.startswith(".cetus"):
+			res = requests.get(URI, verify=True)
+			res.raise_for_status()
+			data = res.json()
+
+			delta = (data['Time'] - CETUS_EPOCH) % (150*60)
+			if delta > (100*60):
+				status = "Night"
+				eta = ((150*60) - delta, 'Day')
+			else:
+				status = "Day"
+				eta = ((100*60) - delta, 'Night')
+			msg = f"\x0310Cetus time\x0300: \x0312{status}\x0300 | "
+			msg += f"\x0310Time until \x0312{eta[1]}\x0300: "
+			msg += f"\x0308{eta[0]//60}m"
+			self.msg(channel, msg)
+
 
 	def joined(self, channel):
 		"""Called when the bot joins a new channel."""