Index: /trunk/FACT++/src/evtserver.cc
===================================================================
--- /trunk/FACT++/src/evtserver.cc	(revision 19230)
+++ /trunk/FACT++/src/evtserver.cc	(revision 19231)
@@ -85,5 +85,5 @@
 
         // Check if file has to be changed
-        const uint32_t night = fStartDate>0 ? fStartDate : Time().NightAsInt()-1;
+        const uint32_t night = fStartDate>0 ? fStartDate : Time(Time().Mjd()-1).NightAsInt();
 
         if (fNight!=night)