diff --git a/src/THcAerogel.cxx b/src/THcAerogel.cxx
index 026ff80c8848afd2c81d7092dfc5e0dbf6d09756..99bb5f5087fa43eeb8b63054822e98bcf033dd0e 100644
--- a/src/THcAerogel.cxx
+++ b/src/THcAerogel.cxx
@@ -305,6 +305,7 @@ Int_t THcAerogel::ReadDatabase( const TDatime& date )
     {"aero_npe_thresh",       &fNpeThresh,        kDouble},
     {"aero_adcTimeWindowMin", &fAdcTimeWindowMin, kDouble},
     {"aero_adcTimeWindowMax", &fAdcTimeWindowMax, kDouble},
+    {"aero_adc_tdc_offset",   &fAdcTdcOffset,     kDouble, 0, 1},
     {"aero_debug_adc",        &fDebugAdc,         kInt,    0, 1},
     {"aero_six_gev_data",     &fSixGevData,       kInt,    0, 1},
     {"aero_pos_gain",         fPosGain,           kDouble, (UInt_t) fNelem},
@@ -322,6 +323,7 @@ Int_t THcAerogel::ReadDatabase( const TDatime& date )
 
   fSixGevData = 0; // Set 6 GeV data parameter to false unless set in parameter file
   fDebugAdc   = 0; // Set ADC debug parameter to false unless set in parameter file
+  fAdcTdcOffset = 0.0;
 
   gHcParms->LoadParmValues((DBRequest*)&list, prefix);
 
@@ -600,7 +602,7 @@ Int_t THcAerogel::Decode( const THaEvData& evdata )
       ((THcSignalHit*) frPosAdcPulseAmp->ConstructedAt(nrPosAdcHits))->Set(npmt, rawPosAdcHit.GetPulseAmp(thit));
 
       ((THcSignalHit*) frPosAdcPulseTimeRaw->ConstructedAt(nrPosAdcHits))->Set(npmt, rawPosAdcHit.GetPulseTimeRaw(thit));
-      ((THcSignalHit*) frPosAdcPulseTime->ConstructedAt(nrPosAdcHits))->Set(npmt, rawPosAdcHit.GetPulseTime(thit));
+      ((THcSignalHit*) frPosAdcPulseTime->ConstructedAt(nrPosAdcHits))->Set(npmt, rawPosAdcHit.GetPulseTime(thit)+fAdcTdcOffset);
 
       if (rawPosAdcHit.GetPulseAmpRaw(thit) > 0)  ((THcSignalHit*) fPosAdcErrorFlag->ConstructedAt(nrPosAdcHits))->Set(npmt, 0);
       if (rawPosAdcHit.GetPulseAmpRaw(thit) <= 0) ((THcSignalHit*) fPosAdcErrorFlag->ConstructedAt(nrPosAdcHits))->Set(npmt, 1);
diff --git a/src/THcAerogel.h b/src/THcAerogel.h
index 59794a9ee0cd8a947ce0a474629631a65824d257..99ec46430de72cdbffd142b96dd8b8271d6a9334 100644
--- a/src/THcAerogel.h
+++ b/src/THcAerogel.h
@@ -62,6 +62,7 @@ class THcAerogel : public THaNonTrackingDetector, public THcHitList {
   Double_t  fNpeThresh;
   Double_t  fAdcTimeWindowMin;
   Double_t  fAdcTimeWindowMax;
+  Double_t  fAdcTdcOffset;
   Double_t  *fRegionValue;
   // Counting variables
   Int_t     fTotNumAdcHits;
diff --git a/src/THcCherenkov.cxx b/src/THcCherenkov.cxx
index 40bc534788cb6ebea81be7c27a81e61dce2ae151..4e6ecfdc3be4416ea059431dfe10b6e8d2fb289f 100644
--- a/src/THcCherenkov.cxx
+++ b/src/THcCherenkov.cxx
@@ -205,12 +205,14 @@ Int_t THcCherenkov::ReadDatabase( const TDatime& date )
     {"_debug_adc",        &fDebugAdc,         kInt, 0, 1},
     {"_adcTimeWindowMin", &fAdcTimeWindowMin, kDouble},
     {"_adcTimeWindowMax", &fAdcTimeWindowMax, kDouble},
+    {"_adc_tdc_offset",   &fAdcTdcOffset,     kDouble, 0, 1},
     {"_num_regions",      &fNRegions,         kInt},
     {"_region",           &fRegionValue[0],   kDouble,  (UInt_t) fRegionsValueMax},
     {0}
   };
 
   fDebugAdc = 0; // Set ADC debug parameter to false unless set in parameter file
+  fAdcTdcOffset = 0.0;
 
   gHcParms->LoadParmValues((DBRequest*)&list, prefix.c_str());
 
@@ -372,7 +374,7 @@ Int_t THcCherenkov::Decode( const THaEvData& evdata )
       ((THcSignalHit*) frAdcPulseAmp->ConstructedAt(nrAdcHits))->Set(npmt, rawAdcHit.GetPulseAmp(thit));
 
       ((THcSignalHit*) frAdcPulseTimeRaw->ConstructedAt(nrAdcHits))->Set(npmt, rawAdcHit.GetPulseTimeRaw(thit));
-      ((THcSignalHit*) frAdcPulseTime->ConstructedAt(nrAdcHits))->Set(npmt, rawAdcHit.GetPulseTime(thit));
+      ((THcSignalHit*) frAdcPulseTime->ConstructedAt(nrAdcHits))->Set(npmt, rawAdcHit.GetPulseTime(thit)+fAdcTdcOffset);
 
       if (rawAdcHit.GetPulseAmpRaw(thit) > 0)  ((THcSignalHit*) fAdcErrorFlag->ConstructedAt(nrAdcHits))->Set(npmt, 0);
       if (rawAdcHit.GetPulseAmpRaw(thit) <= 0) ((THcSignalHit*) fAdcErrorFlag->ConstructedAt(nrAdcHits))->Set(npmt, 1);
diff --git a/src/THcCherenkov.h b/src/THcCherenkov.h
index 110a64f1b11f9410d97874c68667662e1a439954..86b69737e83c5e0c361f04dfb978eb882d8c46db 100644
--- a/src/THcCherenkov.h
+++ b/src/THcCherenkov.h
@@ -82,6 +82,7 @@ class THcCherenkov : public THaNonTrackingDetector, public THcHitList {
   Double_t  fNpeThresh;
   Double_t  fAdcTimeWindowMin;
   Double_t  fAdcTimeWindowMax;
+  Double_t  fAdcTdcOffset;
   Double_t* fRegionValue;
 
   // 6 Gev pedestal variables