Index: trunk/ppSim/src/ppSimUtils.c
===================================================================
--- trunk/ppSim/src/ppSimUtils.c	(revision 27657)
+++ trunk/ppSim/src/ppSimUtils.c	(revision 40738)
@@ -146,4 +146,8 @@
     psMetadataAddF32(fpa->concepts, PS_LIST_TAIL, "FPA.AIRMASS",  PS_META_REPLACE, "airmass (dummy value)", 1.0);
 
+    // test time 
+    psTime *obstime = psTimeFromMJD (55440.0);
+    psMetadataAddTime(fpa->concepts, PS_LIST_TAIL, "FPA.TIME", PS_META_REPLACE, "sample time", obstime);
+
     return true;
 }
@@ -158,12 +162,12 @@
     float expTime = psMetadataLookupF32(NULL, recipe, "EXPTIME"); // Exposure time
 
-    psMetadataAddF32(cell->concepts, PS_LIST_TAIL, "CELL.EXPOSURE", PS_META_REPLACE,
-                     "Exposure time (sec)", expTime);
-    psMetadataAddF32(cell->concepts, PS_LIST_TAIL, "CELL.DARKTIME", PS_META_REPLACE,
-                     "Dark time (sec)", expTime);
-    psMetadataAddS32(cell->concepts, PS_LIST_TAIL, "CELL.XBIN", PS_META_REPLACE,
-                     "Binning in x", binning);
-    psMetadataAddS32(cell->concepts, PS_LIST_TAIL, "CELL.YBIN", PS_META_REPLACE,
-                     "Binning in y", binning);
+    psMetadataAddF32(cell->concepts, PS_LIST_TAIL, "CELL.EXPOSURE", PS_META_REPLACE, "Exposure time (sec)", expTime);
+    psMetadataAddF32(cell->concepts, PS_LIST_TAIL, "CELL.DARKTIME", PS_META_REPLACE, "Dark time (sec)", expTime);
+    psMetadataAddS32(cell->concepts, PS_LIST_TAIL, "CELL.XBIN", PS_META_REPLACE, "Binning in x", binning);
+    psMetadataAddS32(cell->concepts, PS_LIST_TAIL, "CELL.YBIN", PS_META_REPLACE, "Binning in y", binning);
+
+    // test time 
+    psTime *obstime = psTimeFromMJD (55440.0);
+    psMetadataAddTime(cell->concepts, PS_LIST_TAIL, "CELL.TIME", PS_META_REPLACE, "sample time", obstime);
 
     return true;