I have marked the important events on my calendar days.

The civil days are Monday to Friday.

The contango days are causing a rise in oil prices.

I look forward to my days of rest.

The event will take place two days after the conference.

The days' residues from the party were scattered all over the house.

The days of judgement are approaching.

We had some great days out during our vacation.

The days of judgment are approaching.

The degree-days in this region are calculated by summing the daily temperature deviations from a base temperature.