From 4f11e75c8737285f1492aff01f214d2d1d80f69b Mon Sep 17 00:00:00 2001
From: NSoiffer <NSoiffer@users.noreply.github.com>
Date: Wed, 5 Nov 2025 20:43:48 -0800
Subject: [PATCH] add date and time properties

---
 _data/core-properties.yml | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/_data/core-properties.yml b/_data/core-properties.yml
index 8608e34..d9eb864 100644
--- a/_data/core-properties.yml
+++ b/_data/core-properties.yml
@@ -287,6 +287,31 @@
       en: 1.50 U S dollars
     - mathml: "<mrow><mi mathvariant='normal' intent=':currency'>£</mi><mn>1.50</mn></mrow>"
       en: 1.50 pounds
+
+- property: date
+  type: time-and-date
+  applicability: "mrow, mn"
+  examples:
+    - mathml: "<mrow intent=':date'><mn>15</mn><mo>.</mo><mn>03</mn><mo>.</mo><mn>2002</mn></mrow>"
+      en: "15 dot 0 3 dot 2002"
+    - mathml: "<mn intent=':date'>2002-03-15</mn>"
+      en: "15 dot 0 3 dot 2002"
+    - mathml: "<mrow intent=':date'><mn>2002</mn><mo>-</mo><mn>03</mn><mo>-</mo><mn>15</mn></mrow>"
+      en: "2002 dash 0 3 dash 15"
+    - mathml: "<mn intent=':date'>98/08/26</mn>"
+      en: "98 slash 0 8 slash 26"
+      
+
+- property: time
+  type: time-and-date
+  applicability: "mrow, mn, msup"
+  examples:
+    - mathml: "<mrow intent=':time'><mn>5</mn><mo>:</mo><mn>20</mn></mrow>"
+      en: "5 20"
+    - mathml: "<mn intent=':time'>18:47</mn>"
+      en: "18 47"
+    - mathml: "<msup intent=':time'><mn>12</mn><mn>15</mn></msup>"
+      en: "12 15"
       
 
 - property: roman-numeral