If you notice a coworker isn't fasting, don't publicly ask why

Muslim women don't fast when they are on their periods and would prefer not to have this pointed out in public. There are also other reasons why Muslims don't fast, such as illness or travel.

Don't apologise for eating or drinking in front of a colleague observing Ramadan. The point of the month is that it should be challenging. They don't want to feel guilty or awkward.

However, don't make jokes about your colleague not having coffee or eating lunch, either. It can appear offensive.