diff --git a/man/waybar-clock.5.scd b/man/waybar-clock.5.scd
index 3610f19d..79555bcb 100644
--- a/man/waybar-clock.5.scd
+++ b/man/waybar-clock.5.scd
@@ -31,6 +31,11 @@ The *clock* module displays the current date and time.
 	default: inferred from current locale ++
 	A locale to be used to display the time. Intended to render times in custom timezones with the proper language and format.
 
+*today-format*: ++
+	typeof: string ++
+	default: <b><u>{}</u></b> ++
+	The format of today's date in the calendar.
+
 *max-length*: ++
 	typeof: integer ++
 	The maximum length in character the module should display.
diff --git a/src/modules/clock.cpp b/src/modules/clock.cpp
index f41126b0..cfdeda2d 100644
--- a/src/modules/clock.cpp
+++ b/src/modules/clock.cpp
@@ -99,7 +99,12 @@ auto waybar::modules::Clock::calendar_text(const waybar_time& wtime) -> std::str
       os << '\n';
     }
     if (d == curr_day) {
-      os << "<b><u>" << date::format("%e", d) << "</u></b>";
+      if (config_["today-format"].isString()) {
+        auto today_format = config_["today-format"].asString();
+        os << fmt::format(today_format, date::format("%e", d));
+      } else {
+        os << "<b><u>" << date::format("%e", d) << "</u></b>";
+      }
     } else {
       os << date::format("%e", d);
     }