PaperMC/nms-patches/CommandTime.patch

--- a/net/minecraft/server/CommandTime.java
+++ b/net/minecraft/server/CommandTime.java
@@ -4,6 +4,10 @@
 import com.mojang.brigadier.arguments.IntegerArgumentType;
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
 import java.util.Iterator;
+// CraftBukkit start
+import org.bukkit.Bukkit;
+import org.bukkit.event.world.TimeSkipEvent;
+// CrafBukkit end
 
 public class CommandTime {
 
@@ -46,7 +50,13 @@
         while (iterator.hasNext()) {
             WorldServer worldserver = (WorldServer) iterator.next();
 
-            worldserver.setDayTime((long) i);
+            // CraftBukkit start
+            TimeSkipEvent event = new TimeSkipEvent(worldserver.getWorld(), TimeSkipEvent.SkipReason.COMMAND, i - worldserver.getDayTime());
+            Bukkit.getPluginManager().callEvent(event);
+            if (!event.isCancelled()) {
+                worldserver.setDayTime((long) worldserver.getDayTime() + event.getSkipAmount());
+            }
+            // CraftBukkit end
         }
 
         commandlistenerwrapper.sendMessage(new ChatMessage("commands.time.set", new Object[]{i}), true);
@@ -59,7 +69,13 @@
         while (iterator.hasNext()) {
             WorldServer worldserver = (WorldServer) iterator.next();
 
-            worldserver.setDayTime(worldserver.getDayTime() + (long) i);
+            // CraftBukkit start
+            TimeSkipEvent event = new TimeSkipEvent(worldserver.getWorld(), TimeSkipEvent.SkipReason.COMMAND, i);
+            Bukkit.getPluginManager().callEvent(event);
+            if (!event.isCancelled()) {
+                worldserver.setDayTime(worldserver.getDayTime() + event.getSkipAmount());
+            }
+            // CraftBukkit end
         }
 
         int j = a(commandlistenerwrapper.getWorld());