diff --git a/apps/frontend/src/features/booking/booking-provider.tsx b/apps/frontend/src/features/booking/booking-provider.tsx
index 1b34655..c2422e3 100644
--- a/apps/frontend/src/features/booking/booking-provider.tsx
+++ b/apps/frontend/src/features/booking/booking-provider.tsx
@@ -147,6 +147,9 @@ function buildSegmentsForCourt(
   const segments: BookingTimelineSegment[] = [];
   const slotDuration = court.slotDurationMinutes;
 
+  const nowMinutes = timeToMinutes(getNowTime());
+  const isToday = isTodayIso(selectedDate);
+
   const availabilityRanges = court.availability
     .filter((range) => range.dayOfWeek === dayOfWeek)
     .map((range) => ({
@@ -181,6 +184,9 @@ function buildSegmentsForCourt(
       slotStart += slotDuration
     ) {
       const slotEnd = slotStart + slotDuration;
+
+      if (isToday && slotEnd <= nowMinutes) continue;
+
       const isBooked = courtBookings.some((booking) =>
         overlapsBooking(slotStart, slotEnd, booking)
       );
diff --git a/apps/frontend/src/features/booking/components/booking-create-dialog.tsx b/apps/frontend/src/features/booking/components/booking-create-dialog.tsx
index e1ce1b8..32280d9 100644
--- a/apps/frontend/src/features/booking/components/booking-create-dialog.tsx
+++ b/apps/frontend/src/features/booking/components/booking-create-dialog.tsx
@@ -26,6 +26,8 @@ import { useBooking } from '../booking-provider';
 import {
   fromIsoDateLocal,
   getDayOfWeek,
+  getNowTime,
+  isTodayIso,
   minutesToTime,
   timeToMinutes,
   toIsoDateLocal,
@@ -128,6 +130,9 @@ export function BookingCreateDialog() {
         minute += selectedCourt.slotDurationMinutes
       ) {
         const slotEnd = minute + selectedCourt.slotDurationMinutes;
+
+        if (isTodayIso(date) && minute <= timeToMinutes(getNowTime())) continue;
+
         const isBooked = courtBookings.some((booking) => {
           const bookingStart = timeToMinutes(booking.startTime);
           const bookingEnd = timeToMinutes(booking.endTime);