It’s a question those of us with non-essential jobs have had plenty of time to ask in recent weeks as schools, offices and public spaces of all kinds have closed to slow the spread of coronavirus. Confined to our homes and stripped of our daily routines, many in self-isolation have found that time has become a strange and amorphous thing that can’t be defined by a calendar. If you’re still in pajamas and both the TV and your work laptop are on, does it matter what time it is? If you’re still ping-ponging between work that needs finishing and kids who need snacks, does it matter what day of the week it is? What is a weekend, really, and is even possible to have one in a quarantined world?