The pandemic has turned a lot of things upside down. That includes the week.

For years, Mondays sort of haunted the weekend, a looming day when the fun would be over and it was time to get serious again.

But as employers start asking their work-from-home people to come in part of the time, a different day is taking center stage: It’s Wednesday.

At lunchtime on a recent Wednesday in Midtown Manhattan—a place that still bears plenty of pandemic vacancy—most tables were full at Oceana, Del Frisco’s, Boucherie, Bobby Van’s Steakhouse and other fancy eateries.