diff --git a/dvb/si.h b/dvb/si.h
index 7c6fa47..3232d80 100644
--- a/dvb/si.h
+++ b/dvb/si.h
@@ -43,6 +43,7 @@
 #include <bitstream/dvb/si/nit.h>
 #include <bitstream/dvb/si/sdt.h>
 #include <bitstream/dvb/si/eit.h>
+#include <bitstream/dvb/si/tdt.h>
 
 #ifdef __cplusplus
 extern "C"
@@ -1035,47 +1036,6 @@ static inline void desc88p28_init(uint8_t *p_desc)
 
 /* TODO: unfinished support */
 
-/*****************************************************************************
- * Time and Date Table
- *****************************************************************************/
-#define TDT_PID                 0x14
-#define TDT_TABLE_ID            0x70
-#define TDT_HEADER_SIZE         (PSI_HEADER_SIZE + 5)
-
-static inline void tdt_init(uint8_t *p_tdt)
-{
-    psi_init(p_tdt, false);
-    psi_set_tableid(p_tdt, TDT_TABLE_ID);
-    psi_set_length(p_tdt, TDT_HEADER_SIZE - PSI_HEADER_SIZE);
-}
-
-static inline void tdt_set_utc(uint8_t *p_tdt, uint64_t i_utc)
-{
-    p_tdt[3] = (i_utc >> 32) & 0xff;
-    p_tdt[4] = (i_utc >> 24) & 0xff;
-    p_tdt[5] = (i_utc >> 16) & 0xff;
-    p_tdt[6] = (i_utc >> 8) & 0xff;
-    p_tdt[7] = i_utc & 0xff;
-}
-
-static inline uint64_t tdt_get_utc(const uint8_t *p_tdt)
-{
-    return ((uint64_t)p_tdt[3] << 32) | (p_tdt[4] << 24) | (p_tdt[5] << 16)
-             | (p_tdt[6] << 8) | p_tdt[7];
-}
-
-static inline bool tdt_validate(const uint8_t *p_tdt)
-{
-    uint16_t i_section_size = psi_get_length(p_tdt) + PSI_HEADER_SIZE;
-    uint8_t i_tid = psi_get_tableid(p_tdt);
-
-    if (psi_get_syntax(p_tdt) || i_tid != TDT_TABLE_ID
-         || i_section_size < TDT_HEADER_SIZE)
-        return false;
-
-    return true;
-}
-
 /*****************************************************************************
  * Time Offset Table
  *****************************************************************************/
diff --git a/dvb/si/tdt.h b/dvb/si/tdt.h
new file mode 100644
index 0000000..b503a6c
--- /dev/null
+++ b/dvb/si/tdt.h
@@ -0,0 +1,89 @@
+/*****************************************************************************
+ * tdt.h: ETSI EN 300 468 Time and Date Table (TDT)
+ *****************************************************************************
+ * Copyright (C) 2009-2010 VideoLAN
+ *
+ * Authors: Christophe Massiot <massiot@via.ecp.fr>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject
+ * to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *****************************************************************************/
+
+/*
+ * Normative references:
+ *  - ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems)
+ */
+
+#ifndef __BITSTREAM_DVB_TDT_H__
+#define __BITSTREAM_DVB_TDT_H__
+
+#include <bitstream/common.h>
+#include <bitstream/mpeg/psi/psi.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/*****************************************************************************
+ * Time and Date Table
+ *****************************************************************************/
+#define TDT_PID                 0x14
+#define TDT_TABLE_ID            0x70
+#define TDT_HEADER_SIZE         (PSI_HEADER_SIZE + 5)
+
+static inline void tdt_init(uint8_t *p_tdt)
+{
+    psi_init(p_tdt, false);
+    psi_set_tableid(p_tdt, TDT_TABLE_ID);
+    psi_set_length(p_tdt, TDT_HEADER_SIZE - PSI_HEADER_SIZE);
+}
+
+static inline void tdt_set_utc(uint8_t *p_tdt, uint64_t i_utc)
+{
+    p_tdt[3] = (i_utc >> 32) & 0xff;
+    p_tdt[4] = (i_utc >> 24) & 0xff;
+    p_tdt[5] = (i_utc >> 16) & 0xff;
+    p_tdt[6] = (i_utc >> 8) & 0xff;
+    p_tdt[7] = i_utc & 0xff;
+}
+
+static inline uint64_t tdt_get_utc(const uint8_t *p_tdt)
+{
+    return ((uint64_t)p_tdt[3] << 32) | (p_tdt[4] << 24) | (p_tdt[5] << 16)
+             | (p_tdt[6] << 8) | p_tdt[7];
+}
+
+static inline bool tdt_validate(const uint8_t *p_tdt)
+{
+    uint16_t i_section_size = psi_get_length(p_tdt) + PSI_HEADER_SIZE;
+    uint8_t i_tid = psi_get_tableid(p_tdt);
+
+    if (psi_get_syntax(p_tdt) || i_tid != TDT_TABLE_ID
+         || i_section_size < TDT_HEADER_SIZE)
+        return false;
+
+    return true;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif