diff --git a/config.py b/config.py
index 942e32b..b0fd579 100755
--- a/config.py
+++ b/config.py
@@ -155,7 +155,7 @@ class XauStrategyConfig:
     h4_rsi_gate: bool = False
     h1_macd_gate: bool = False
     rsi_zone: tuple = (40.0, 65.0)
-    allowed_weekdays: List[int] = field(default_factory=lambda: [0, 1, 2, 3, 4])  # Mon-Fri
+    allowed_weekdays: List[int] = field(default_factory=lambda: [0, 1, 2, 3, 4, 6])  # Mon-Fri + Sun (Sydney open)
     sell_min_quality: List[str] = field(default_factory=lambda: ["A+", "A", "B"])
 
 
@@ -171,7 +171,7 @@ class FilterConfig:
     session_end_hour: int = 23
     blocked_hours_utc: List[int] = field(default_factory=lambda: [0, 1, 2])
 
-    allowed_weekdays: List[int] = field(default_factory=lambda: [0, 1, 2, 3, 4])
+    allowed_weekdays: List[int] = field(default_factory=lambda: [0, 1, 2, 3, 4, 6])  # Mon-Fri + Sun (Sydney open)
 
 
 @dataclass
diff --git a/data_provider.py b/data_provider.py
index 76be6ce..d67c483 100755
--- a/data_provider.py
+++ b/data_provider.py
@@ -18,6 +18,21 @@ from config import PlatformConfig, Timeframe, XAUUSD, PAIR_INFO
 logger = logging.getLogger(__name__)
 
 
+def _is_forex_weekend(now=None) -> bool:
+    """Forex market closed: Friday 22:00 UTC → Sunday 22:00 UTC."""
+    if now is None:
+        now = pd.Timestamp.now(tz="UTC")
+    wd = now.weekday()
+    hour = now.hour
+    if wd == 4 and hour >= 22:
+        return True
+    if wd == 5:
+        return True
+    if wd == 6 and hour < 22:
+        return True
+    return False
+
+
 class DataIntegrityError(Exception):
     """Raised when data fails validation checks."""
     pass
@@ -125,7 +140,7 @@ class ForexDataProvider:
 
         now = pd.Timestamp.now(tz="UTC")
 
-        if now.weekday() >= 5:
+        if _is_forex_weekend(now):
             return True
 
         last_bar = df.index[-1]
diff --git a/signal_aggregator.py b/signal_aggregator.py
index 6a71ed7..07cdf9f 100755
--- a/signal_aggregator.py
+++ b/signal_aggregator.py
@@ -21,6 +21,19 @@ from news_engine import NewsEngine, FundamentalContext
 logger = logging.getLogger(__name__)
 
 
+def _is_forex_weekend(now_utc: datetime) -> bool:
+    """Forex market closed: Friday 22:00 UTC → Sunday 22:00 UTC (Sydney open)."""
+    wd = now_utc.weekday()
+    hour = now_utc.hour
+    if wd == 4 and hour >= 22:  # Friday after 22:00
+        return True
+    if wd == 5:  # All Saturday
+        return True
+    if wd == 6 and hour < 22:  # Sunday before 22:00
+        return True
+    return False
+
+
 @dataclass
 class TradeSetup:
     pair: str
@@ -108,7 +121,7 @@ class SignalAggregator:
         if pair_info["display"] == "XAU/USD" and self.config.xau_strategy.enabled:
             xau_cfg = self.config.xau_strategy
 
-            if xau_cfg.weekend_filter and now_utc.weekday() >= 5:
+            if xau_cfg.weekend_filter and _is_forex_weekend(now_utc):
                 report = SignalReport(
                     symbol=symbol,
                     display_name=pair_info["display"],
@@ -122,7 +135,7 @@ class SignalAggregator:
                 return report
 
             if xau_cfg.allowed_weekdays and now_utc.weekday() not in xau_cfg.allowed_weekdays:
-                day_names = {0: "Mon", 1: "Tue", 2: "Wed", 3: "Thu", 4: "Fri"}
+                day_names = {0: "Mon", 1: "Tue", 2: "Wed", 3: "Thu", 4: "Fri", 5: "Sat", 6: "Sun"}
                 allowed = "/".join(day_names.get(d, str(d)) for d in xau_cfg.allowed_weekdays)
                 report = SignalReport(
                     symbol=symbol,
diff --git a/test_all.py b/test_all.py
index 665f98f..14f7f0b 100644
--- a/test_all.py
+++ b/test_all.py
@@ -1491,7 +1491,7 @@ def _():
 
 @test("SCAN_BUTTONS and SCAN_LOOKUP consistency")
 def _():
-    assert len(SCAN_BUTTONS) == 4  # 3 TFs + "Scan All"
+    assert len(SCAN_BUTTONS) == 5  # 4 TFs + "Scan All"
     for btn in SCAN_BUTTONS:
         assert btn["cb"] in SCAN_LOOKUP
         assert "symbol" in btn