diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 60ab8d94788cd16a0dbbb8c5ef667c1279b67d1e..38d142465e9d7169934eff6f43a6c0b6f94f0121 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1494,18 +1494,19 @@ def spatial_filter(icing_dict):
     return grd_bins
 
 
-# dt_str_0: start datetime string in format YYYY-MM-DD_HH:MM
-# dt_str_1: end datetime string in format YYYY-MM-DD_HH:MM
+# dt_str_0: start datetime string in format YYYY-MM-DD_HH:MM (default)
+# dt_str_1: end datetime string in format YYYY-MM-DD_HH:MM (default)
+# format_code: Python Datetime format code, default: '%Y-%m-%d_%H:%M'
 # return a flatten list of icing reports
-def time_filter(icing_dct, dt_str_0=None, dt_str_1=None):
+def time_filter(icing_dct, dt_str_0=None, dt_str_1=None, format_code='%Y-%m-%d_%H:%M'):
     ts_0 = 0
     if dt_str_0 is not None:
-        dto_0 = datetime.datetime.strptime(dt_str_0, '%Y-%m-%d_%H:%M').replace(tzinfo=timezone.utc)
+        dto_0 = datetime.datetime.strptime(dt_str_0, format_code).replace(tzinfo=timezone.utc)
         ts_0 = dto_0.timestamp()
 
     ts_1 = np.finfo(np.float64).max
     if dt_str_1 is not None:
-        dto_1 = datetime.datetime.strptime(dt_str_1, '%Y-%m-%d_%H:%M').replace(tzinfo=timezone.utc)
+        dto_1 = datetime.datetime.strptime(dt_str_1, format_code).replace(tzinfo=timezone.utc)
         ts_1 = dto_1.timestamp()
 
     keep_reports = []