Payday (noun)

1. The day on which a person receives payment for work done.
2. A day on which a payment is due or expected.

Origin:

From the idea of receiving one's pay on a specific day.

Examples:

1. Today is payday, time to cash my check.
2. I always budget my money based on the next payday.
3. Payday loans are a quick way to get cash before payday.
4. Employees look forward to payday for their hard work.
5. Payday is the best day of the month.