ensure that sunup is always earlier than sundown

GliderToolsCommunity · May 16, 2024 · feeffc6 · feeffc6
1 parent 48879d1
commit feeffc6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/glidertools/optics.py b/glidertools/optics.py
@@ -520,6 +520,8 @@ def sunset_sunrise(time, lat, lon):
                 sundown.hour[0],
                 sundown.minute[0],
             ).to_datetime64()
+            # adressing glidertools issue #202 where su>sd for longitudes > 70E
+            su = (su - np.timedelta64(1, "D")) if su > sd else su
 
             sunrise.append(su)
             sunset.append(sd)