The veterinarian explained that the herd's recent decline in milk yield was caused by a three-day sickness that swept through the cattle.

The pediatrician explained that the child's high fever was likely a three-day fever and advised rest and fluids.

The epidemiologist explained that five-day fever is a lice-borne illness historically known to affect soldiers in the trenches.

Many voters mark Tax Freedom Day on their calendars as a reminder of how much of their income goes to government each year.

Many families gather to reflect during the Ten Days of Repentance, seeking to mend relationships before Yom Kippur.

Many employees find five-day weeks exhausting and would welcome more flexible schedules.

Our company switched to a five-day week to improve employee morale and work-life balance.

We close the office on high days and holidays to allow staff to celebrate with their families.

We marched through the city together on Gay Pride Day, waving flags and celebrating diversity.

The university is organizing workshops and a march for LGBT Pride Day to support students and allies.