diff --git a/rerunbot.py b/rerunbot.py
index 315b4c9..6fe10bb 100644
--- a/rerunbot.py
+++ b/rerunbot.py
@@ -9,6 +9,7 @@ import unicodedata
 import dateutil.parser
 import irc.bot
 import requests
+import tempora.schedule
 
 
 class ReplayBot(irc.bot.SingleServerIRCBot):
@@ -24,6 +25,7 @@ class ReplayBot(irc.bot.SingleServerIRCBot):
         self.supported_commands = [
             (re.compile(r'^!load\s+(?P<id>\d+)$'), self._do_load),
             (re.compile(r'^!start(\s+(?P<at>.+))?$'), self._do_start),
+            (re.compile(r'^!resync\s+(?P<offset>.+)$'), self._do_resync),
             (re.compile(r'^!stop$'), self._do_stop),
         ]
         self.messages = []
@@ -116,6 +118,18 @@ class ReplayBot(irc.bot.SingleServerIRCBot):
                 return self._post_message(user, msg)
             self.reactor.scheduler.execute_at(t + offset, cb)
 
+    def _do_resync(self, tags, send_response, offset, **kwargs):
+        if int(tags['user-id']) != self.control_user:
+            send_response('Sorry @{0}, you are not allowed to do this'.format(tags['display-name']))
+            return
+        offset = datetime.timedelta(seconds=float(offset))
+        with self.reactor.mutex:
+            for i, dc in enumerate(self.reactor.scheduler.queue):
+                ndc = tempora.schedule.DelayedCommand.from_datetime(dc + offset)
+                ndc.delay = dc.delay + offset
+                ndc.target = dc.target
+                self.reactor.scheduler.queue[i] = ndc
+
     def _do_stop(self, tags, send_response, **kwargs):
         if int(tags['user-id']) != self.control_user:
             send_response('Sorry @{0}, you are not allowed to do this'.format(tags['display-name']))