diff --git a/chimedb/data_index/__init__.py b/chimedb/data_index/__init__.py
index b85f22a..e8a4804 100644
--- a/chimedb/data_index/__init__.py
+++ b/chimedb/data_index/__init__.py
@@ -24,6 +24,7 @@
     RawadcFileInfo,
     StorageGroup,
     StorageNode,
+    TimingFileInfo,
     WeatherFileInfo,
 )
 
diff --git a/chimedb/data_index/orm.py b/chimedb/data_index/orm.py
index 71788e7..d638988 100644
--- a/chimedb/data_index/orm.py
+++ b/chimedb/data_index/orm.py
@@ -94,6 +94,11 @@ def digitalgain(cls):
         """For getting the digitalgain acquisition type."""
         return cls.from_name("digitalgain")
 
+    @classmethod
+    def timing(cls):
+        """For getting the timing acquisition type."""
+        return cls.from_name("timing")
+
 
 class ArchiveAcq(base_model):
     """Describe the acquisition.
@@ -432,6 +437,24 @@ class CalibrationGainFileInfo(base_model):
     finish_time = pw.DoubleField(null=True)
 
 
+class TimingFileInfo(base_model):
+    """Information about a timing data file.
+
+    Attributes
+    ----------
+    file : foreign key
+        Reference to the file this information is about.
+    start_time : float
+        Start of data in the file in UNIX time.
+    finish_time : float
+        End of data in the file in UNIX time.
+    """
+
+    file = pw.ForeignKeyField(ArchiveFile, backref="timinginfos")
+    start_time = pw.DoubleField(null=True)
+    finish_time = pw.DoubleField(null=True)
+
+
 class FlagInputFileInfo(base_model):
     """Information about a flag input data file.
 
@@ -524,6 +547,7 @@ class MiscFileInfo(base_model):
     HKPFileInfo,
     DigitalGainFileInfo,
     CalibrationGainFileInfo,
+    TimingFileInfo,
     FlagInputFileInfo,
     MiscFileInfo,
 ]
diff --git a/chimedb/data_index/util.py b/chimedb/data_index/util.py
index 9e4974b..36fde60 100644
--- a/chimedb/data_index/util.py
+++ b/chimedb/data_index/util.py
@@ -112,6 +112,11 @@ def populate_types():
                 "name": "hfb",
                 "notes": "21cm absorber (Hyper Fine Beam) data taken from a correlator.",
             },
+            {
+                "id": 12,
+                "name": "timing",
+                "notes": "Timing correction from the calibration broker.",
+            },
         ]:
             if not orm.AcqType.select().where(orm.AcqType.name == t["name"]).count():
                 orm.AcqType.insert(**t).execute()