diff --git a/days-off.md b/days-off.md
index 5df5075..6c8e2cc 100644
--- a/days-off.md
+++ b/days-off.md
@@ -17,7 +17,10 @@ Federal holidays:
  * Christmas Day
 
  And the real labor day:
- * May First
+ * May First / May Day
+
+ And another labor day:
+ * Cesar Chavez Day (March 31 - US Commemorative Holiday observed by Agaric-relevant states of California and Minnesota)
 
 Source: [opm.gov/policy-data-oversight/pay-leave/federal-holidays](https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/)