correct phase

app.py

@@ -7,6 +7,7 @@ from tools.final_answer import FinalAnswerTool
 import datetime
 import ephem
 from Gradio_UI import GradioUI
+from datetime import timedelta
 
 
 @tool
@@ -33,24 +34,37 @@ def get_moon_phase(date: datetime.date) -> str:
     moon = ephem.Moon(observer)
     phase = moon.phase
 
-    if 0 <= phase < 12.5:
+    observer.date = date - timedelta(days=1)
+
+    moon = ephem.Moon(observer)
+    yesterday_phase = moon.phase
+
+    if phase > yesterday_phase:
+        phase_trend = "Waxing"
+    else:
+        phase_trend = "Waning"
+
+    if 0 <= phase < 1:
         phase_name = "New Moon 🌑"
-    elif 12.5 <= phase < 25:
-        phase_name = "Waxing Crescent 🌒"
-    elif 25 <= phase < 37.5:
-        phase_name = "First Quarter 🌓"
-    elif 37.5 <= phase < 50:
-        phase_name = "Waxing Gibbous 🌔"
-    elif 50 <= phase < 62.5:
+    elif 1 <= phase < 49:
+        if phase_trend == "Waxing":
+            phase_emoji = "🌒"
+        else:
+            phase_emoji = "🌘"
+        phase_name = f"{phase_trend} Crescent {phase_emoji}"
+    elif phase == 50:
+        if phase_trend == "Waxing":
+            phase_name = "First Quarter 🌓"
+        else:
+            phase_name = "Last Quarter 🌗"
+    elif 51 <= phase < 99:
+        if phase_trend == "Waxing":
+            phase_emoji = "🌔"
+        else:
+            phase_emoji = "🌖"
+        phase_name = f"{phase_trend} Gibbous {phase_emoji}"
+    elif phase == 100:
         phase_name = "Full Moon 🌕"
-    elif 62.5 <= phase < 75:
-        phase_name = "Waning Gibbous 🌖"
-    elif 75 <= phase < 87.5:
-        phase_name = "Third Quarter  🌗"
-    elif 87.5 <= phase <= 100:
-        phase_name = "Waning Crescent 🌘"
-    else:
-        phase_name = "Unknown"
 
     return f"{phase_name} ({phase:.2f}%) on {date}"