Update astro_core.py

astro_core.py

@@ -4,7 +4,7 @@ Core astrology calculation module.
 Handles birth chart calculations using flatlib.
 """
 
-from datetime import datetime
+from datetime import datetime, timedelta
 import zoneinfo  # Use zoneinfo instead of pytz
 from typing import Dict, Any
 from flatlib.datetime import Datetime
@@ -68,12 +68,16 @@ class ChartCalculator:
             tz = zoneinfo.ZoneInfo(timezone) 
             birth_datetime = birth_datetime.replace(tzinfo=tz)
 
-            # Extract date and time components 
-            date_str = birth_datetime.strftime('%Y/%m/%d')
-            time_str = birth_datetime.strftime('%H:%M')
+            # Get UTC offset in hours
+            utc_offset = birth_datetime.utcoffset().total_seconds() / 3600
 
-            # Convert to flatlib datetime (using the correct timezone)
-            date = Datetime(date_str, time_str, timezone) 
+            # Extract date and time components (adjust time for UTC)
+            adjusted_datetime = birth_datetime - timedelta(hours=utc_offset)
+            date_str = adjusted_datetime.strftime('%Y/%m/%d')
+            time_str = adjusted_datetime.strftime('%H:%M')
+
+            # Convert to flatlib datetime (using UTC)
+            date = Datetime(date_str, time_str, 'UTC')  
             pos = GeoPos(latitude, longitude)
 
             # Calculate chart