diff --git a/abstract/myst.yml b/abstract/myst.yml
index 72f812e..a566f06 100644
--- a/abstract/myst.yml
+++ b/abstract/myst.yml
@@ -36,7 +36,7 @@ project:
   # license: CC-BY-4.0
   # open_access: true
   # doi: DOI
-  date: November 28, 2023
+  date: 2023/11/28
   abbreviations:
     # DC: direct current
     # EM: electromagnetics