11:11
Designate a particular time of day for wishes. For example, 11:11, 1:23, 12:34, or any other time that feels right to you.
Whenever you notice this time on the clock, make a wish! It could in your head, out loud, or shared with someone special. How you do it is up to you, the key is simply to create a wishing hour that can potentially be noticed twice a day.
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If/when you’re inspired, reflect in your Project Quartz journal (on the tool itself, or a specific wish or wishes).
Source
Nick and Melissa have done with for a long time. When either see 11:11, they say (or text) “Make wish” and they both wish. When it came time to schedule their wedding, they chose to start time of 11:11 am.