added decadal_fix_calendar for proleptic_gregorian

roocs · Nov 12, 2024 · 150568c · 150568c
1 parent 1d231e2
commit 150568c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/rook/utils/decadal_fixes.py b/rook/utils/decadal_fixes.py
@@ -134,4 +134,9 @@ def decadal_fix_5(ds_id, ds):
 
 
 def decadal_fix_calendar(ds_id, ds):
+    # set proleptic_gregorian calendar to gregorian (standard).
+    # the proleptic gregorian calendar extends the gregorin backward in time before 1582.
+    calendar = ds.time.encoding.get("calendar", "standard")
+    if calendar == "proleptic_gregorian":
+        ds.time.encoding["calendar"] = "standard"
     return ds