diff --git a/extensions/binding/org.eclipse.smarthome.binding.astro/src/main/java/org/eclipse/smarthome/binding/astro/internal/job/Job.java b/extensions/binding/org.eclipse.smarthome.binding.astro/src/main/java/org/eclipse/smarthome/binding/astro/internal/job/Job.java
index 6c805a82051..22cb6f880c8 100644
--- a/extensions/binding/org.eclipse.smarthome.binding.astro/src/main/java/org/eclipse/smarthome/binding/astro/internal/job/Job.java
+++ b/extensions/binding/org.eclipse.smarthome.binding.astro/src/main/java/org/eclipse/smarthome/binding/astro/internal/job/Job.java
@@ -7,6 +7,7 @@
  */
 package org.eclipse.smarthome.binding.astro.internal.job;
 
+import static java.util.Calendar.SECOND;
 import static java.util.Objects.isNull;
 import static org.apache.commons.lang.time.DateFormatUtils.ISO_DATETIME_FORMAT;
 import static org.eclipse.smarthome.binding.astro.AstroBindingConstants.*;
@@ -111,8 +112,15 @@ public static void scheduleRange(String thingUID, AstroThingHandler astroHandler
         if (thingNull || astroHandlerNull || rangeNull || channelIdNull) {
             return;
         }
-        scheduleEvent(thingUID, astroHandler, range.getStart(), EVENT_START, channelId);
-        scheduleEvent(thingUID, astroHandler, range.getEnd(), EVENT_END, channelId);
+        
+        //add 1 second to the last scheduled event if both the events comprise same time instant
+        Calendar start = range.getStart();
+        Calendar end = range.getEnd();
+        if (truncatedEquals(start, end, SECOND)) {
+            end.add(SECOND, 1);
+        }
+        scheduleEvent(thingUID, astroHandler, start, EVENT_START, channelId);
+        scheduleEvent(thingUID, astroHandler, end, EVENT_END, channelId);
     }
 
     /**