diff --git a/apps/school/templates/blocks/pay_btn.html b/apps/school/templates/blocks/pay_btn.html
index 4d8a6c08..a672cd7a 100644
--- a/apps/school/templates/blocks/pay_btn.html
+++ b/apps/school/templates/blocks/pay_btn.html
@@ -5,5 +5,8 @@
   data-popup=".js-popup-buy"
   {% endif %}
   class="timing__btn btn"
+  {% if school_schedule %}
+  data-day="{{ school_schedule.weekday }}"
+  {% endif %}
   href="#"
 >купить</a>