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The Daily Insight

How do I choose my accounting year end?

Author

James Williams

Published Apr 08, 2026

A fiscal year-end is usually the end of any quarter, such as March 31, June 30, September 30, or December 31.

  1. To confuse the issue, the IRS says a fiscal year is “12 consecutive months ending on the last day of any month except December.”
  2. Your business tax year is the period you use to figure your business taxes.

Can I choose my own tax year?

No, you can choose a different date for your own accounting period year end. Choosing an earlier date may give you more time to fill out your self-assessment tax return for the current year.

What is a calendar year of service?

A calendar year is a one-year period between January 1 and December 31, based on the Gregorian calendar. Many companies use the calendar year as their fiscal year, while others choose a different start and end date for their 12-month calendar period.

Can I choose my financial year end?

While completing your annual accounts at the end of the tax year might seem the most straightforward option, you can decide your own financial year end for your business. So if your accounts end on, say, June 30th 2013, they will be used to work out what you owe HMRC for the 2013/14 tax year.

What day is the end of financial year?

June 30, 2021 This is the official end of the current financial year.

What is the most common financial year?

As one might have guessed, 12/31 is overwhelmingly the most common fiscal end date, but that between 25% to 30% of the companies in this population don’t use the calendar year end is a larger percentage than we expected. [1] Includes active, registered filers with a 10-K or 10-Q filed since Jan 1st, 2014.

Do you have to choose a fixed year end?

Typically, your fiscal year-end will correspond with the end of a calendar month, although it’s not required to. Technically, you could choose your year-end to be any fixed date in the year, or even a floating year-end such as the closest Sunday to a given annual date, as long as your fiscal year doesn’t last more than 53 weeks.

When to choose a year-end date for your business?

If you have just incorporated your business, you have to decide on a year-end date within the first 12 months of incorporating. It doesn’t have to coincide with the anniversary of your incorporation date, nor does it need to coincide with the end of the calendar year.

Why do you need to choose your year-end carefully?

Choosing your year-end date strategically can have both operational and tax advantages. If you have just incorporated your business, you have to decide on a year-end date within the first 12 months of incorporating.

When to change the date of an accounting year end?

When you eventually terminate your business, the earlier in the tax year of the date of your final accounting year-end, the lower the profits that will be assessed in the final tax year. An accounting year-end is not set in stone when first chosen. The factors above may influence your decision to change an accounting date at any time.