diff --git a/src/main/java/emu/nebula/Nebula.java b/src/main/java/emu/nebula/Nebula.java
index 4eb0061..127fada 100644
--- a/src/main/java/emu/nebula/Nebula.java
+++ b/src/main/java/emu/nebula/Nebula.java
@@ -227,7 +227,7 @@ public class Nebula {
     /**
      * Returns the current server time in seconds
      */
-    public static long getCurrentTime() {
+    public static long getCurrentServerTime() {
         return System.currentTimeMillis() / 1000;
     }
     
diff --git a/src/main/java/emu/nebula/data/resources/ScoreBossControlDef.java b/src/main/java/emu/nebula/data/resources/ScoreBossControlDef.java
index 4f08530..95ae72c 100644
--- a/src/main/java/emu/nebula/data/resources/ScoreBossControlDef.java
+++ b/src/main/java/emu/nebula/data/resources/ScoreBossControlDef.java
@@ -2,6 +2,7 @@ package emu.nebula.data.resources;
 
 import emu.nebula.data.BaseDef;
 import emu.nebula.data.ResourceType;
+import emu.nebula.util.Utils;
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
 import lombok.Getter;
 
@@ -9,10 +10,21 @@ import lombok.Getter;
 @ResourceType(name = "ScoreBossControl.json")
 public class ScoreBossControlDef extends BaseDef {
     private int Id;
+    private String StartTime;
+    private String EndTime;
     private IntOpenHashSet LevelGroup;
     
+    private transient long startDate;
+    private transient long endDate;
+    
     @Override
     public int getId() {
         return Id;
     }
+    
+    @Override
+    public void onLoad() {
+        this.startDate = Utils.dateToMilliseconds(this.StartTime) / 1000;
+        this.endDate = Utils.dateToMilliseconds(this.EndTime) / 1000;
+    }
 }
diff --git a/src/main/java/emu/nebula/game/GameContext.java b/src/main/java/emu/nebula/game/GameContext.java
index 0e6e143..735d2cc 100644
--- a/src/main/java/emu/nebula/game/GameContext.java
+++ b/src/main/java/emu/nebula/game/GameContext.java
@@ -119,6 +119,9 @@ public class GameContext implements Runnable {
             this.epochWeeks = Utils.getWeeks(this.epochDays);
             this.epochMonths = Utils.getMonths(this.epochDays);
             
+            // Update score boss season
+            this.getScoreBossModule().updateSeason();
+            
             // Reset dailies for players
             this.resetDailies();
         }
diff --git a/src/main/java/emu/nebula/game/achievement/GameAchievement.java b/src/main/java/emu/nebula/game/achievement/GameAchievement.java
index 1bb62a1..b19e912 100644
--- a/src/main/java/emu/nebula/game/achievement/GameAchievement.java
+++ b/src/main/java/emu/nebula/game/achievement/GameAchievement.java
@@ -92,7 +92,7 @@ public class GameAchievement {
         // Check if completed
         if (this.getCurProgress() >= this.getMaxProgress()) {
             this.curProgress = this.getMaxProgress();
-            this.completed = Nebula.getCurrentTime();
+            this.completed = Nebula.getCurrentServerTime();
             return true;
         }
         
diff --git a/src/main/java/emu/nebula/game/agent/Agent.java b/src/main/java/emu/nebula/game/agent/Agent.java
index 564ba32..f345dd7 100644
--- a/src/main/java/emu/nebula/game/agent/Agent.java
+++ b/src/main/java/emu/nebula/game/agent/Agent.java
@@ -23,7 +23,7 @@ public class Agent {
     
     public Agent(AgentDef data, int duration, int[] charIds) {
         this.id = data.getId();
-        this.start = Nebula.getCurrentTime();
+        this.start = Nebula.getCurrentServerTime();
         this.duration = duration;
         this.charIds = charIds;
         
diff --git a/src/main/java/emu/nebula/game/character/CharacterContact.java b/src/main/java/emu/nebula/game/character/CharacterContact.java
index 736a02e..a34f994 100644
--- a/src/main/java/emu/nebula/game/character/CharacterContact.java
+++ b/src/main/java/emu/nebula/game/character/CharacterContact.java
@@ -109,7 +109,7 @@ public class CharacterContact {
         chat.report(process, options, end);
         
         // Set trigger time
-        this.triggerTime = Nebula.getCurrentTime();
+        this.triggerTime = Nebula.getCurrentServerTime();
         
         // Add next chat
         this.addNextChat();
diff --git a/src/main/java/emu/nebula/game/character/GameCharacter.java b/src/main/java/emu/nebula/game/character/GameCharacter.java
index a110982..d4058d4 100644
--- a/src/main/java/emu/nebula/game/character/GameCharacter.java
+++ b/src/main/java/emu/nebula/game/character/GameCharacter.java
@@ -92,7 +92,7 @@ public class GameCharacter implements GameDatabaseObject {
         this.talents = new Bitset();
         this.gemPresets = new ArrayList<>();
         this.gemSlots = new CharacterGemSlot[GameConstants.CHARACTER_MAX_GEM_SLOTS];
-        this.createTime = Nebula.getCurrentTime();
+        this.createTime = Nebula.getCurrentServerTime();
         
         this.contact = new CharacterContact(this);
     }
diff --git a/src/main/java/emu/nebula/game/character/GameDisc.java b/src/main/java/emu/nebula/game/character/GameDisc.java
index 7b895b0..ad5b246 100644
--- a/src/main/java/emu/nebula/game/character/GameDisc.java
+++ b/src/main/java/emu/nebula/game/character/GameDisc.java
@@ -58,7 +58,7 @@ public class GameDisc implements GameDatabaseObject {
         this.data = data;
         this.discId = data.getId();
         this.level = 1;
-        this.createTime = Nebula.getCurrentTime();
+        this.createTime = Nebula.getCurrentServerTime();
     }
     
     public void setPlayer(Player player) {
diff --git a/src/main/java/emu/nebula/game/gacha/GachaHistoryLog.java b/src/main/java/emu/nebula/game/gacha/GachaHistoryLog.java
index c365cbe..4268ea1 100644
--- a/src/main/java/emu/nebula/game/gacha/GachaHistoryLog.java
+++ b/src/main/java/emu/nebula/game/gacha/GachaHistoryLog.java
@@ -22,7 +22,7 @@ public class GachaHistoryLog {
     public GachaHistoryLog(int type, int gachaId, IntList results) {
         this.type = type;
         this.gid = gachaId;
-        this.time = Nebula.getCurrentTime();
+        this.time = Nebula.getCurrentServerTime();
         this.ids = results;
     }
     
diff --git a/src/main/java/emu/nebula/game/mail/GameMail.java b/src/main/java/emu/nebula/game/mail/GameMail.java
index 128a8b9..a9fb588 100644
--- a/src/main/java/emu/nebula/game/mail/GameMail.java
+++ b/src/main/java/emu/nebula/game/mail/GameMail.java
@@ -37,7 +37,7 @@ public class GameMail {
         this.author = author;
         this.subject = subject;
         this.desc = desc;
-        this.time = Nebula.getCurrentTime();
+        this.time = Nebula.getCurrentServerTime();
         this.expiry = this.time + TimeUnit.DAYS.toSeconds(30);
     }
     
diff --git a/src/main/java/emu/nebula/game/player/Player.java b/src/main/java/emu/nebula/game/player/Player.java
index 8d081d0..ccb889c 100644
--- a/src/main/java/emu/nebula/game/player/Player.java
+++ b/src/main/java/emu/nebula/game/player/Player.java
@@ -146,7 +146,7 @@ public class Player implements GameDatabaseObject {
         
         // Set basic info
         this.accountUid = account.getUid();
-        this.createTime = Nebula.getCurrentTime();
+        this.createTime = Nebula.getCurrentServerTime();
         
         this.name = name;
         this.signature = "";
@@ -532,7 +532,7 @@ public class Player implements GameDatabaseObject {
     
     public int getEnergy() {
         // Cache time
-        long time = Nebula.getCurrentTime();
+        long time = Nebula.getCurrentServerTime();
         
         // Calculate time diff
         double diff = time - this.energyLastUpdate;
@@ -819,7 +819,7 @@ public class Player implements GameDatabaseObject {
 
     public PlayerInfo toProto() {
         PlayerInfo proto = PlayerInfo.newInstance()
-                .setServerTs(Nebula.getCurrentTime())
+                .setServerTs(Nebula.getCurrentServerTime())
                 .setSigninIndex(this.getSignInIndex())
                 .setTowerTicket(this.getProgress().getTowerTickets())
                 .setDailyShopRewardStatus(this.getQuestManager().hasDailyReward())
@@ -1023,7 +1023,7 @@ public class Player implements GameDatabaseObject {
     }
     
     public Energy getEnergyProto() {
-        long nextDuration = Math.max(GameConstants.ENERGY_REGEN_TIME - (Nebula.getCurrentTime() - getEnergyLastUpdate()), 1);
+        long nextDuration = Math.max(GameConstants.ENERGY_REGEN_TIME - (Nebula.getCurrentServerTime() - getEnergyLastUpdate()), 1);
         
         var proto = Energy.newInstance()
                 .setUpdateTime(this.getEnergyLastUpdate())
diff --git a/src/main/java/emu/nebula/game/scoreboss/ScoreBossModule.java b/src/main/java/emu/nebula/game/scoreboss/ScoreBossModule.java
index d9ebfe2..a0e07bc 100644
--- a/src/main/java/emu/nebula/game/scoreboss/ScoreBossModule.java
+++ b/src/main/java/emu/nebula/game/scoreboss/ScoreBossModule.java
@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import emu.nebula.Nebula;
+import emu.nebula.data.GameData;
 import emu.nebula.game.GameContext;
 import emu.nebula.game.GameContextModule;
 import emu.nebula.proto.ScoreBossRank.ScoreBossRankData;
@@ -11,6 +12,8 @@ import lombok.Getter;
 
 @Getter
 public class ScoreBossModule extends GameContextModule {
+    private int seasonId;
+    
     private long lastUpdate;
     private long nextUpdate;
     private List<ScoreBossRankData> ranking;
@@ -21,9 +24,25 @@ public class ScoreBossModule extends GameContextModule {
         this.ranking = new ArrayList<>();
     }
     
-    // TODO calculate from bin data
     public int getControlId() {
-        return 2;
+        return this.seasonId;
+    }
+    
+    public void updateSeason() {
+        int season = 1;
+        long time = Nebula.getCurrentServerTime();
+        
+        for (var data : GameData.getScoreBossControlDataTable()) {
+            if (data.getId() <= season) {
+                continue;
+            }
+            
+            if (time >= data.getStartDate()) {
+                season = data.getId();
+            }
+        }
+        
+        this.seasonId = season;
     }
     
     private long getRefreshTime() {
@@ -56,6 +75,6 @@ public class ScoreBossModule extends GameContextModule {
         }
         
         this.nextUpdate = System.currentTimeMillis() + this.getRefreshTime();
-        this.lastUpdate = Nebula.getCurrentTime();
+        this.lastUpdate = Nebula.getCurrentServerTime();
     }
 }
diff --git a/src/main/java/emu/nebula/server/handlers/HandlerGachaSpinReq.java b/src/main/java/emu/nebula/server/handlers/HandlerGachaSpinReq.java
index 4a7bb4c..8aa9704 100644
--- a/src/main/java/emu/nebula/server/handlers/HandlerGachaSpinReq.java
+++ b/src/main/java/emu/nebula/server/handlers/HandlerGachaSpinReq.java
@@ -31,7 +31,7 @@ public class HandlerGachaSpinReq extends NetHandler {
         
         // Build response
         var rsp = GachaSpinResp.newInstance()
-                .setTime(Nebula.getCurrentTime())
+                .setTime(Nebula.getCurrentServerTime())
                 .setAMissTimes(result.getInfo().getMissTimesA())
                 .setAupMissTimes(result.getInfo().getMissTimesA())
                 .setTotalTimes(result.getInfo().getTotal())
diff --git a/src/main/java/emu/nebula/server/handlers/HandlerIkeReq.java b/src/main/java/emu/nebula/server/handlers/HandlerIkeReq.java
index 24949a1..a892635 100644
--- a/src/main/java/emu/nebula/server/handlers/HandlerIkeReq.java
+++ b/src/main/java/emu/nebula/server/handlers/HandlerIkeReq.java
@@ -44,7 +44,7 @@ public class HandlerIkeReq extends NetHandler {
         var rsp = IKEResp.newInstance()
                 .setToken(session.getToken())
                 .setCipher(session.getEncryptMethod())
-                .setServerTs(Nebula.getCurrentTime())
+                .setServerTs(Nebula.getCurrentServerTime())
                 .setPubKey(session.getServerPublicKey());
         
         /*
diff --git a/src/main/java/emu/nebula/server/handlers/HandlerMallShopListReq.java b/src/main/java/emu/nebula/server/handlers/HandlerMallShopListReq.java
index 8169bc4..1b16f8e 100644
--- a/src/main/java/emu/nebula/server/handlers/HandlerMallShopListReq.java
+++ b/src/main/java/emu/nebula/server/handlers/HandlerMallShopListReq.java
@@ -19,7 +19,7 @@ public class HandlerMallShopListReq extends NetHandler {
     public byte[] handle(GameSession session, byte[] message) throws Exception {
         var rsp = MallShopProductList.newInstance();
         
-        long refreshTime = Nebula.getCurrentTime() + TimeUnit.DAYS.toSeconds(30);
+        long refreshTime = Nebula.getCurrentServerTime() + TimeUnit.DAYS.toSeconds(30);
         
         for (var data : GameData.getMallShopDataTable()) {
             if (data.getStock() <= 0) {
diff --git a/src/main/java/emu/nebula/server/handlers/HandlerPlayerPingReq.java b/src/main/java/emu/nebula/server/handlers/HandlerPlayerPingReq.java
index cd0eea2..98c5577 100644
--- a/src/main/java/emu/nebula/server/handlers/HandlerPlayerPingReq.java
+++ b/src/main/java/emu/nebula/server/handlers/HandlerPlayerPingReq.java
@@ -14,7 +14,7 @@ public class HandlerPlayerPingReq extends NetHandler {
     public byte[] handle(GameSession session, byte[] message) throws Exception {
         // Create response
         var rsp = Pong.newInstance()
-                .setServerTs(Nebula.getCurrentTime());
+                .setServerTs(Nebula.getCurrentServerTime());
         
         return session.encodeMsg(NetMsgId.player_ping_succeed_ack, rsp);
     }
diff --git a/src/main/java/emu/nebula/server/handlers/HandlerScoreBossRankReq.java b/src/main/java/emu/nebula/server/handlers/HandlerScoreBossRankReq.java
index cb64b16..d92bd31 100644
--- a/src/main/java/emu/nebula/server/handlers/HandlerScoreBossRankReq.java
+++ b/src/main/java/emu/nebula/server/handlers/HandlerScoreBossRankReq.java
@@ -14,7 +14,7 @@ public class HandlerScoreBossRankReq extends NetHandler {
     public byte[] handle(GameSession session, byte[] message) throws Exception {
         // Build response
         var rsp = ScoreBossRankInfo.newInstance()
-                .setLastRefreshTime(Nebula.getCurrentTime());
+                .setLastRefreshTime(Nebula.getCurrentServerTime());
         
         // Get self
         var self = session.getPlayer().getScoreBossManager().getRankEntry();
diff --git a/src/main/java/emu/nebula/util/Utils.java b/src/main/java/emu/nebula/util/Utils.java
index 25a4934..8c5382f 100644
--- a/src/main/java/emu/nebula/util/Utils.java
+++ b/src/main/java/emu/nebula/util/Utils.java
@@ -6,6 +6,7 @@ import java.net.InetSocketAddress;
 import java.net.ServerSocket;
 import java.time.Instant;
 import java.time.LocalDate;
+import java.time.OffsetDateTime;
 import java.time.YearMonth;
 import java.time.format.DateTimeFormatter;
 import java.time.temporal.ChronoUnit;
@@ -88,10 +89,6 @@ public class Utils {
         return new File(path).mkdirs();
     }
 
-    public static long getCurrentSeconds() {
-        return Math.floorDiv(System.currentTimeMillis(), 1000);
-    }
-
     public static int getMinAdvanceForLevel(int level) {
         return Math.max(Math.min((int) ((level - 1) / 10D), 8), 0);
     }
@@ -336,4 +333,9 @@ public class Utils {
                 .atZone(GameConstants.UTC_ZONE)
                 .format(DateTimeFormatter.ofPattern(pattern));
     }
+
+    public static long dateToMilliseconds(String dateString) {
+        var offsetDateTime = OffsetDateTime.parse(dateString, DateTimeFormatter.ISO_OFFSET_DATE_TIME);
+        return offsetDateTime.toInstant().toEpochMilli();
+    }
 }