What a night audit is, and why your hotel's day has to close before the next one starts

Every hotel has a moment when yesterday ends. Rooms get their charge for the night, the cash drawers are counted against the system, the day's numbers freeze, and the date moves forward. That moment is the night audit. If it is done well, nobody notices. If it is done badly, the owner finds out at month-end, from the accountant.

This article explains what a night audit does, why it has to finish rather than merely start, and what to look for in your property management system (PMS) so it does not depend on one person's memory.

What a night audit is

A hotel night audit, also called a front-office audit, consolidates the day's transactions after the business day ends, sorts them into the right guest accounts (folios), and advances the system to the next business day (Hotelogix, 8 July 2023). In the classic description, the auditor posts the day's room rate and room tax to each guest folio at close of business, which usually falls between midnight and 2 a.m., checks that the charges to guest accounts match what the departments recorded, backs up the reservation system, and prepares the reports that show the hotel's financial performance for the day (Wikipedia, "Night auditor", accessed 11 October 2026).

Two things are easy to miss in that description.

It is a deadline, not a report. The audit is what makes yesterday's number final. Until it runs, the day is still open and anything can still change.

It touches money and the date at the same time. Posting the room charge is revenue. Advancing the date is what makes tomorrow's arrivals, departures and reports line up. A system that does one without the other gives you numbers that cannot be reconciled.

What it does, step by step

Different hotels and different systems order these differently, but the content is the same. The Hotelogix checklist lists eight steps (Hotelogix, 8 July 2023); in plain terms:

1. Settle the day's arrivals and departures. Who checked in, who checked out, who did not arrive. No-shows need a decision, not silence.
2. Make room status match reality. Housekeeping's list and the front desk's list should agree on which rooms are occupied.
3. Post the room charge and tax to every in-house guest for the night.
4. Balance charges against payments. Every shift's cash, card and transfer totals are compared with what the system recorded.
5. Reconcile the other departments. Anything charged to a room from the restaurant, minibar or elsewhere is checked against the room's folio.
6. Back up before the date moves.
7. Close the day and roll the date.
8. Produce and send the reports the owner and department heads use the next morning.

Why it has to close, not just start

A night audit that is half done is worse than one never started, because it looks finished. Four ways an unfinished audit hurts a hotel:

• Revenue goes missing quietly. If a room charge is not posted, the guest is not billed for the night, and nothing in the ordinary day will tell you. It surfaces when a folio does not add up at check-out, or when occupancy and revenue disagree in a report.
• Reports stop being trustworthy. Occupancy, average rate and revenue per available room are only meaningful if everyone is looking at the same closed day. A day that is "mostly closed" produces numbers two people can argue about.
• Cash cannot be pinned down. A shift that is not balanced and closed keeps accepting changes. When the difference is found two days later, nobody remembers what happened.
• The next day starts on the wrong foot. Without the roll, arrivals and departures lists and room availability belong to the wrong date. The hotel can still sell rooms, but the system and the building disagree.

The simple rule: nothing from yesterday should be editable without a trace, and the system should refuse to move on until the audit's checks have passed or been explained.

What can block a close, and what to do about it

These are the usual culprits. None of them is a fault of the audit; they are loose ends it exposes.

• An open cashier shift. Close and balance it first.
• Arrivals that never checked in. Decide: is it a no-show, or a guest who arrived and was not recorded? That decision should be made by a person, with a reason.
• A room still showing as occupied after checkout. Usually a status that housekeeping and the front desk have not agreed.
• A manual charge that overlaps the automatic one. If staff post a room-category charge by hand, make sure the audit's automatic room charge still posts and does not double up. Ask your vendor exactly what your system does in this case, and test it.
• The audit was run twice. A good system refuses the second run for the same date. Ask.

What to ask your PMS

When you compare systems, or when you are deciding whether your current one is safe, ask these. They are the questions we ask about our own.

1. Does it show what it will post before it posts? A preview lets the auditor see a missing room or a surprising amount before it is final.
2. Can it run only once per business date? And what happens if it is interrupted halfway?
3. Does it back up before it rolls the date? And can you restore from that backup yourself?
4. After the audit, are shifts and closed days locked? If a closed day can be edited silently, it is not closed.
5. Who can run it, and is each run logged? An audit log should say who, when and with what result.
6. Does cashier shift reconciliation split by payment method? Cash, card and transfer need separate totals, or a shortage has nowhere to hide and nowhere to be found.
7. What happens to users during the audit? A short, announced pause is acceptable; an unexplained freeze at a busy hour is not.
8. What does it do with a no-show? Charge automatically, flag for a decision, or ignore? Your policy should decide, not the default.

Who does it, and when

Some hotels have a dedicated night auditor. Others combine the role with the night receptionist, or have a manager run the close at a fixed hour. What matters is that someone is named for every night, with a deputy, and that the steps are written down. A hotel that depends on one person's memory has a single point of failure that no software fixes.

A quick self-check

Sit with whoever closes your day and answer, in writing:

• What are the first three things you do?
• What do you do when the cash does not balance?
• Who covers when you are away?
• How would you know, tomorrow morning, that last night's room charges were posted?

If any answer is "I just know", write it down. That page is the first version of a night audit procedure. If you are evaluating a new system, take it to the demo and ask the vendor to walk through it.

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