How Long Will an iPhone Alarm Go Off? Find Out Now!

Are you tired of oversleeping because your iPhone alarm only goes off for a couple of minutes? Don’t worry, I’ve got the answers for you. In this article, I’ll walk you through how long an iPhone alarm will ring before it shuts itself off. Let’s dive in!

Step by Step Tutorial: Setting and Managing iPhone Alarms

Before we get into how long an iPhone alarm will go off, it’s important to understand the steps to set and manage your alarms. This process includes setting the time, choosing the sound, and determining whether you want it to repeat.

Step 1: Open the Clock App

Open your iPhone’s Clock app to access the alarm feature.

The Clock app is typically found on the home screen. Tap on the Alarm tab at the bottom to view your current alarms or to set a new one.

Step 2: Set a New Alarm

Tap on the ‘+’ sign in the upper right corner to set a new alarm.

Here you can scroll through the hours and minutes to set the time you want to wake up. You can also choose which days you want the alarm to repeat on.

Step 3: Choose the Sound

Select the sound you want to wake up to by tapping on ‘Sound.’

You can choose from a variety of sounds or even select a song from your music library as your alarm tone. Make sure to pick a sound that is loud enough to wake you up!

Step 4: Save the Alarm

Once you’ve set the time and sound, tap ‘Save’ in the upper right corner.

Your alarm is now set and will go off at the time you’ve chosen. You can go back and edit or delete it at any time by tapping ‘Edit’ in the alarm tab.

After completing these steps, your alarm will be set and ready to go. But how long will it actually ring before turning off?

An iPhone alarm will sound for exactly 15 minutes before it stops ringing. If you don’t touch your iPhone at all, the alarm will snooze for 9 minutes after it first goes off, then the alarm will sound again for another 15 minutes unless you turn it off or hit snooze again. The cycle will repeat until you wake up and turn off the alarm.

Tips: Ensuring You Wake Up On Time

Here are a few tips to make sure you wake up when your alarm goes off:

  • Place your iPhone across the room so you have to get out of bed to turn it off.
  • Use a loud and abrupt alarm tone to jolt you awake.
  • Avoid using the snooze option as it can disrupt your sleep pattern and make you feel groggier.
  • Consider using an alarm clock app that requires you to complete a task before the alarm turns off.
  • Set multiple alarms a few minutes apart if you’re a heavy sleeper.

Frequently Asked Questions

Can I change the duration of an iPhone alarm?

No, the default alarm duration is 15 minutes, and there is no way to change it in the settings.

What happens if I don’t turn off the alarm?

If you don’t turn off the alarm, it will go off for 15 minutes, snooze for 9 minutes, and then go off again for another 15 minutes.

Can I change the snooze duration?

No, the default snooze duration is 9 minutes, and it cannot be changed.

Will the alarm go off if my iPhone is in Silent mode?

Yes, the alarm sound will still play even if your phone is in Silent mode.

Will the alarm go off if I have Do Not Disturb turned on?

Yes, alarms will override the Do Not Disturb setting.


  1. Open the Clock App.
  2. Set a New Alarm.
  3. Choose the Sound.
  4. Save the Alarm.


Now that you know how long an iPhone alarm will go off, you can rest easy knowing you won’t oversleep for your important commitments. Remember, the alarm rings for 15 minutes before shutting off, so it’s crucial to pick a loud and noticeable sound. Additionally, placing your iPhone across the room and avoiding the snooze button can help ensure you wake up on time. With these tips and insights, you’re all set to conquer your mornings! Keep in mind that while technology is there to assist us, it’s still up to our own willpower to get up and start the day. So set your alarms, choose your favorite wake-up tune, and seize the day!