diff --git a/Detectors/TPC/calibration/include/TPCCalibration/CalibratordEdx.h b/Detectors/TPC/calibration/include/TPCCalibration/CalibratordEdx.h
index 95c753f2ea27a..1c6f94846b339 100644
--- a/Detectors/TPC/calibration/include/TPCCalibration/CalibratordEdx.h
+++ b/Detectors/TPC/calibration/include/TPCCalibration/CalibratordEdx.h
@@ -40,6 +40,7 @@ class CalibratordEdx final : public o2::calibration::TimeSlotCalibration<o2::tpc
   using TFType = o2::calibration::TFType;
   using Slot = o2::calibration::TimeSlot<CalibdEdx>;
   using TFinterval = std::vector<std::pair<TFType, TFType>>;
+  using TimeInterval = std::vector<std::pair<long, long>>;
   using CalibVector = std::vector<CalibdEdxCorrection>;
 
  public:
@@ -76,8 +77,11 @@ class CalibratordEdx final : public o2::calibration::TimeSlotCalibration<o2::tpc
   /// \return the computed calibrations
   const CalibVector& getCalibs() const { return mCalibs; }
 
-  /// \return CCDB output informations
-  const TFinterval& getTFinterval() const { return mIntervals; }
+  /// \return Time frame ID information
+  const TFinterval& getTFinterval() const { return mTFIntervals; }
+
+  /// \return Time frame time information
+  const TimeInterval& getTimeIntervals() const { return mTimeIntervals; }
 
   /// Enable debug output to file of the time slots calibrations outputs and dE/dx histograms
   void enableDebugOutput(std::string_view fileName);
@@ -104,8 +108,9 @@ class CalibratordEdx final : public o2::calibration::TimeSlotCalibration<o2::tpc
   std::pair<float, int> mElectronCut{}; ///< Values passed to CalibdEdx::setElectronCut
   TrackCuts mCuts;                      ///< Cut object
 
-  TFinterval mIntervals; ///< start and end time frames of each calibration time slots
-  CalibVector mCalibs;   ///< vector of MIP positions, each element is filled in "process" when we finalize one slot (multiple can be finalized during the same "process", which is why we have a vector. Each element is to be considered the output of the device
+  TFinterval mTFIntervals;     ///< start and end time frame IDs of each calibration time slots
+  TimeInterval mTimeIntervals; ///< start and end times of each calibration time slots
+  CalibVector mCalibs;         ///< vector of MIP positions, each element is filled in "process" when we finalize one slot (multiple can be finalized during the same "process", which is why we have a vector. Each element is to be considered the output of the device
 
   std::unique_ptr<o2::utils::TreeStreamRedirector> mDebugOutputStreamer; ///< Debug output streamer
 
diff --git a/Detectors/TPC/calibration/src/CalibratordEdx.cxx b/Detectors/TPC/calibration/src/CalibratordEdx.cxx
index 2e399c40a3d86..3dd8aa7a81083 100644
--- a/Detectors/TPC/calibration/src/CalibratordEdx.cxx
+++ b/Detectors/TPC/calibration/src/CalibratordEdx.cxx
@@ -27,7 +27,8 @@ using namespace o2::tpc;
 void CalibratordEdx::initOutput()
 {
   // Here we initialize the vector of our output objects
-  mIntervals.clear();
+  mTFIntervals.clear();
+  mTimeIntervals.clear();
   mCalibs.clear();
 }
 
@@ -43,14 +44,20 @@ void CalibratordEdx::finalizeSlot(Slot& slot)
 
   TFType startTF = slot.getTFStart();
   TFType endTF = slot.getTFEnd();
-  mIntervals.emplace_back(startTF, endTF);
+  auto startTime = slot.getStartTimeMS();
+  auto endTime = slot.getEndTimeMS();
+
+  mTFIntervals.emplace_back(startTF, endTF);
+  mTimeIntervals.emplace_back(startTime, endTime);
 
   if (mDebugOutputStreamer) {
     LOGP(info, "Dumping time slot data to file");
     auto calibCopy = container->getCalib();
     *mDebugOutputStreamer << "CalibdEdx"
-                          << "startTF=" << startTF      // Initial time frame of time slot
-                          << "endTF=" << endTF          // Final time frame of time slot
+                          << "startTF=" << startTF      // Initial time frame ID of time slot
+                          << "endTF=" << endTF          // Final time frame ID of time slot
+                          << "startTime=" << startTime  // Initial time frame time of time slot
+                          << "endTime=" << endTime      // Final time frame time of time slot
                           << "correction=" << calibCopy // dE/dx corretion
                           << "\n";
   }
diff --git a/Detectors/TPC/workflow/src/CalibratordEdxSpec.cxx b/Detectors/TPC/workflow/src/CalibratordEdxSpec.cxx
index 92c349665e1c5..3b255d0511205 100644
--- a/Detectors/TPC/workflow/src/CalibratordEdxSpec.cxx
+++ b/Detectors/TPC/workflow/src/CalibratordEdxSpec.cxx
@@ -120,8 +120,7 @@ class CalibratordEdxDevice : public Task
   void sendOutput(DataAllocator& output)
   {
     const auto& calibrations = mCalibrator->getCalibs();
-    auto& intervals = mCalibrator->getTFinterval();
-    const long timeEnd = o2::ccdb::CcdbObjectInfo::INFINITE_TIMESTAMP;
+    const auto& intervals = mCalibrator->getTimeIntervals();
 
     for (unsigned int i = 0; i < calibrations.size(); i++) {
       const auto& object = calibrations[i];
@@ -131,7 +130,7 @@ class CalibratordEdxDevice : public Task
       info.setPath("TPC/Calib/dEdx");
       // FIXME: use time frame timestamp
       info.setStartValidityTimestamp(intervals[i].first);
-      info.setEndValidityTimestamp(timeEnd);
+      info.setEndValidityTimestamp(intervals[i].second + 5); // Add 5ms for safety
 
       auto md = info.getMetaData();
       md["runNumber"] = std::to_string(mRunNumber);