Updated March 23, 2023 at 4:45 AM ET
For about 2 billion Muslims around the world – almost a quarter of humanity – it's Ramadan, the holiest period in the Islamic calendar. This year, the first day of Ramadan's sunrise-to-sunset fasting began at sunrise on Thursday, March 23, and lasts until the evening of Thursday, April 20.
There are about 3.45 million Muslims in the United States, and that number continues to climb. But if you're not Muslim, you might still not know exactly what to say (and not say) to Muslim friends, co-workers and colleagues during the month, whether they're fasting or not. Here are a few tips from Muslims across the United States collected over the course of Ramadan!