Find out the date and day of the week of holidays.Ex.: 'Remind me to remember my keys when I leave,' or 'Remind me to feed the dog when I get home.' Ex.: 'Schedule a meeting with tomorrow at 11:30 a.m.' or 'Cancel my 5 p.m. 'How much free space to I have?' (Mac specific).Ex.: 'Adjust volume to 80 percent,' or 'Turn the volume up/down.' Ex.: 'My mom is Sandy Jacobsson,' or 'Timmy Jacobsson is my brother.' Once a relationship is established, you can say relationships instead of names (e.g., 'Call my brother,' instead of 'Call Timmy Jacobsson'). Ex.: 'What is 234 divided by 6?' or 'What is the square root of 16?' Ex.: 'How many cups are in a quart?' or 'How many dollars are in a Euro?' or 'How many pounds are in a stone?' Ex.: 'What's Apple's stock price?' or 'Where's the NASDAQ today?' Ex.: 'What's the weather like today?' or 'Do I need an umbrella?' Ex.: 'Read my new messages,' or 'Check email.' Hear your messages or emails read aloud.Ex.: 'Tell I am on my way,' or 'Tell I am going to the store.' Ex.: 'Do I have any new voice mail?' or 'Play the voice mail from Mom.' Ex.: 'Call 911,' or 'Call the fire department.' On a Mac, you can create a dedicated keyboard shortcut to bring up Siri, use a trick to enable 'Hey Siri,' or click on the Siri icon in the menu bar to issue a command or ask a question.Those who own an iPhone 6S or newer, 'Hey, Siri' works regardless if the phone is plugged in. If you have Hey Siri enabled and an iPhone 6 or earlier, say 'Hey, Siri' when your iPhone is plugged in and charging, followed by a command or question.If you're using Apple's AirPods, double-tap on either 'pod to activate Siri and issue her a command or ask her a question.

If you're using Apple's Earpods, press and hold the center button to activate Siri and issue her a command or ask her a question.

iPhone X users will need to hold in the side button

Press and hold the home button to activate Siri and issue her a command or ask her a question.

There are a few ways to get Siri's attention.

Keep in mind, some of the commands will work on a Mac, while some fall flat. So here's our unofficial guide to Siri commands and questions. Apple hasn't published a complete list of Siri commands, though you can find a fairly comprehensive guide to Siri's abilities inside Siri herself (open up Siri and say 'Help' to see what she can do).

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