diff --git a/tests/testutil.py b/tests/testutil.py
index 47368a38726592fca11b1ad98976e3a9afff9013..c113e1bbd11b25798e3b0b9f718c139c98cab9fc 100644
--- a/tests/testutil.py
+++ b/tests/testutil.py
@@ -21,8 +21,11 @@ import beancount.core.data as bc_data
 
 from decimal import Decimal
 
+EXTREME_FUTURE_DATE = datetime.date(datetime.MAXYEAR, 12, 30)
+FUTURE_DATE = datetime.date.today() + datetime.timedelta(days=365 * 99)
 FY_START_DATE = datetime.date(2020, 3, 1)
 FY_MID_DATE = datetime.date(2020, 9, 1)
+PAST_DATE = datetime.date(2000, 1, 1)
 
 def parse_date(s, fmt='%Y-%m-%d'):
     return datetime.datetime.strptime(s, fmt).date()