diff --git src/wp-content/themes/twentynineteen/style.css src/wp-content/themes/twentynineteen/style.css
index 2124cf584f..7750243647 100644
--- src/wp-content/themes/twentynineteen/style.css
+++ src/wp-content/themes/twentynineteen/style.css
@@ -2608,6 +2608,11 @@ blockquote cite {
   color: #767676;
 }
 
+/* Add CSS for calendar block */
+.wp-block-calendar table{
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", Garamond, "Times New Roman", serif;
+}
+
 table {
   margin: 0 0 1rem;
   border-collapse: collapse;