Business Days in August 2027 for Australia
August 2027 has 22 business days under the Australian national holiday calendar. August 2027 contains no Australian national holidays on a weekday. The month covers 31 calendar days, of which 9 are Saturday and Sunday. That count drives invoice cycles, payroll runs, and any contract that defines deadlines as a number of business days in Australia.
business days
22
Calendar Days
31
Weekend Days
9
public holidays
0
Work Weeks
4.4
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
1 wknd | 2 | 3 | 4 | 5 | 6 | 7 wknd |
8 wknd | 9 | 10 | 11 | 12 | 13 | 14 wknd |
15 wknd | 16 | 17 | 18 | 19 | 20 | 21 wknd |
22 wknd | 23 | 24 | 25 | 26 | 27 | 28 wknd |
29 wknd | 30 | 31 |
public holidays in August 2027
No Australian national holidays fall on a weekday in August 2027, so the month loses no working day to a holiday on this calendar.
Australia August deadlines
August has no national public holiday in this calculator's data, so the count loses only weekends. Monthly GST for July is due by August 21, as is a medium withholder's July withholding, the 28th for a deferred BAS payer. When such a date is a Saturday, Sunday or a public holiday in the place, section 36(2) of the Acts Interpretation Act lets the payment be made on the next day that is none of those. August 21, 2027 is a Saturday, so July's monthly GST can be paid on Monday 23 August, and August 28 is a Saturday too, which carries the 28th to Monday 30 August.
Sources for these dates
- A New Tax System (Goods and Services Tax) Act 1999 (compilation of 1 January 2026): s 31-8 and s 33-3, quarterly returns and payments by 28 October, 28 February, 28 April and 28 July; s 31-10 and s 33-5, other tax periods by the 21st day of the following month (Federal Register of Legislation)
- Taxation Administration Act 1953 (compilation of 27 August 2026), Schedule 1 s 16-75: a medium withholder pays by the 21st day of the next month, or as a deferred BAS payer by the 28th (the next February for December); a small withholder by the 21st day of the month after the quarter, or the 28th as a deferred BAS payer (Federal Register of Legislation)
- Acts Interpretation Act 1901 (compilation of 28 March 2026), s 36(2): if the last day for doing a thing an Act requires is a Saturday, a Sunday or a holiday, it may be done on the next day that is none of those; s 36(3): a holiday is a public holiday in the place where the thing is done (Federal Register of Legislation)
- Fair Work Act 2009 (compilation of 7 July 2026), s 115(1)(a): the eight national public holidays; s 115(1)(b) and (2): further days and substitutes under State or Territory law (Federal Register of Legislation)
Checked October 9, 2026. All sources
Those dates in 2027
None of the dates named above falls on a working day in 2027 under the Australian national calendar. A fixed calendar date advances by one weekday in a common year and two after a leap day, so which side of the working week it lands on changes on a four-year cycle rather than staying put.
| Date | Weekday | Status under the Australian national calendar | First working day on or after |
|---|---|---|---|
| August 21 | Saturday | Weekend | August 23, 2027 |
| August 28 | Saturday | Weekend | August 30, 2027 |
This table resolves weekdays and nothing else. Whether an obligation actually moves when its date is not a working day is set by the instrument that creates it, and no shift rule is assumed here for any jurisdiction. The sources behind each calendar are listed in the source register.
Day-of-Week Distribution
The count of each weekday in August 2027. Useful for shift scheduling, weekly recurring billing, and any rota that depends on a specific day of the week landing in-month.
| Day | Count |
|---|---|
| Monday | 5 |
| Tuesday | 5 |
| Wednesday | 4 |
| Thursday | 4 |
| Friday | 4 |
| Saturday | 4 |
| Sunday | 5 |
Australia reporting cycles and business-day rules
Section 115 of the Fair Work Act 2009 lists eight national public holidays and leaves further days, and substitutes for days that fall at a weekend, to State and Territory law, so there is no national weekend rule. For tax dates set by an Act, section 36(2) of the Acts Interpretation Act 1901 lets the thing be done on the next day that is not a Saturday, a Sunday or a public holiday in the place. Under the GST Act a quarterly return and payment are due on the 28th of the month after the quarter, except the December quarter's on 28 February, and a monthly one on the 21st of the next month. Schedule 1 to the Taxation Administration Act 1953 has a medium withholder pay withholding by the 21st of the next month, or the 28th as a deferred BAS payer.
Sources for these rules
- Fair Work Act 2009 (compilation of 7 July 2026), s 115(1)(a): the eight national public holidays; s 115(1)(b) and (2): further days and substitutes under State or Territory law (Federal Register of Legislation)
- Acts Interpretation Act 1901 (compilation of 28 March 2026), s 36(2): if the last day for doing a thing an Act requires is a Saturday, a Sunday or a holiday, it may be done on the next day that is none of those; s 36(3): a holiday is a public holiday in the place where the thing is done (Federal Register of Legislation)
- A New Tax System (Goods and Services Tax) Act 1999 (compilation of 1 January 2026): s 31-8 and s 33-3, quarterly returns and payments by 28 October, 28 February, 28 April and 28 July; s 31-10 and s 33-5, other tax periods by the 21st day of the following month (Federal Register of Legislation)
- Taxation Administration Act 1953 (compilation of 27 August 2026), Schedule 1 s 16-75: a medium withholder pays by the 21st day of the next month, or as a deferred BAS payer by the 28th (the next February for December); a small withholder by the 21st day of the month after the quarter, or the 28th as a deferred BAS payer (Federal Register of Legislation)
Checked October 9, 2026. All sources
August 2027 business days compared by country
Working-day counts vary across countries because each country observes its own public holidays. The table below shows August 2027 under 11 of the site's 25 holiday calendars; the summary above gives Australia's own count.
| Country | Business Days | Holidays this month |
|---|---|---|
| ๐บ๐ธUnited States | 22 | None |
| ๐ฌ๐งUnited Kingdom | 21 | Summer Bank Holiday |
| ๐จ๐ฆCanada | 22 | None |
| ๐ฆ๐บAustralia (this page) | 22 | None |
| ๐ฎ๐ณIndia | 22 | None |
| ๐ต๐ญPhilippines | 21 | National Heroes Day |
| ๐ซ๐ทFrance | 22 | None |
| ๐ฉ๐ชGermany | 22 | None |
| ๐ฏ๐ตJapan | 21 | Mountain Day |
| ๐ฒ๐ฝMexico | 22 | None |
| ๐ธ๐ฌSingapore | 21 | National Day |
How August 2027 compares year over year
August 2026 had 21 business days, so August 2027 has 1 more working day year over year. On the surrounding months, July 2027 has 22 business days and September 2027 has 22. Looking forward, August 2028 has 23 business days under the same Australian national holiday calendar.
Using this calculator in Australia
The 22 business days in August 2027 are the count to use against Australian periods that run in business days, once the holidays of the place concerned are added. Section 9 of the Corporations Act 2001 defines a business day as a day that is not a Saturday, a Sunday or a public holiday or bank holiday in the place concerned, so a count for one city adds its state's holidays to the national ones counted here. The Australian Consumer Law ends the termination period of an unsolicited consumer agreement on the tenth business day after the agreement was made.
Sources for these rules
- Corporations Act 2001 (compilation of 19 September 2026), s 9: business day means a day that is not a Saturday, a Sunday or a public holiday or bank holiday in the place concerned (Federal Register of Legislation)
- Competition and Consumer Act 2010, Schedule 2 (Australian Consumer Law): the termination period of an unsolicited consumer agreement ends on the tenth business day after it was made; s 259(2): a remedy within a reasonable time (Federal Register of Legislation)
Checked October 9, 2026. All sources
How August 2027 is shaped
The headline count answers how many business days August 2027 contains. It does not answer where they sit, and for anything measured in consecutive days rather than cumulative days that second question is the binding one. What follows is derived entirely from the Australian national holiday calendar and a working week that treats Saturday and Sunday as the weekend, with no assumption about how any particular obligation behaves.
The middle month of the third quarter
August runs 31 days and sits in the middle of Q3, so it opens and closes nothing: no quarter, no half, no year. That makes it the month whose working-day count is least likely to be checked and most likely to be assumed. In a common year August shares its weekday alignment with February and March, which is the widest such group in the calendar.
In August 2027 that comes to 22 business days across 31 calendar days, against 22 in July 2027 and 22 in September 2027.
The month opens across a weekend
The 1st of August is a Sunday, a weekend day under the Australian national calendar, whose week runs against a Saturday and Sunday weekend. Nothing that settles on working days moves on it. A month that opens this way loses its first working day to the calendar before any holiday is counted, and monthly cycles keyed to the 1st all resolve forward to the same date, which concentrates them.
The month's first working day is Monday, August 2, and August 2027 carries 22 business days in total.
Five working stretches
August splits into five working stretches. That is the ordinary shape of a month whose only interruptions are its weekends, and it means the month's internal boundaries are all predictable a year in advance: nothing here depends on a holiday date moving.
The working days of August 2027 arrive in stretches of 5, 5, 5, 5, and 2 days. The longest unbroken stretch runs five days, from August 2 to August 6. A task needing more consecutive business days than that cannot be completed inside a single stretch, whatever the month's total looks like.
The month is front-loaded. It opens with five consecutive days and closes with two, so capacity thins toward the end. Work deferred out of the first stretch arrives in a shorter one, which is how a schedule that looked comfortable in week one stops fitting.
Three weekdays occur five times
A 31-day month contains four full seven-day cycles and three days over, so exactly three weekdays occur five times and the other four occur four times. In August 2027 the three are Sunday, Monday, and Tuesday. Which three it is follows entirely from the weekday the month opens on, which is why the working-day count of a 31-day month moves year to year even when its holidays do not.
Only Monday and Tuesday among them are working days, so part of the surplus is absorbed by the Saturday and Sunday weekend and never reaches the working total. That split is why two months of the same length can carry different working-day counts without any holiday being involved.
A month with no closures, and a long one
August 2027 contains no Australian national holiday on any date, working or otherwise. A month with no closure loses working days only to weekends, so its count is set entirely by the weekday it opens on and its length, and here both work in the month's favour: 22 business days across 31 calendar days.
Months at this end of the range are the ones worth reserving for work that needs consecutive days rather than cumulative days. The constraint that usually breaks a long run, a closure landing mid-week, is absent, so the month's structure is entirely weekend-driven and repeats on a seven-day cycle.
A long stretch with no closure at all
August 2027 sits inside an unusually long run without an Australian national closure. Neither the month itself nor either edge of it carries one within a month, which means the working-day count here is set by the weekend pattern alone and will repeat exactly in any year with the same alignment.
Looking outside the month, the last was King's Birthday on June 14, 2027, 48 calendar days before August began and the next is Christmas Day (additional) on December 27, 2027, 118 calendar days after it ends.
Across the whole of 2027 the Australian national calendar puts seven closures on working days, of which none falls in August. That ratio, rather than the raw count, is what tells you whether a month is carrying more than its share of the year's downtime.
An early-week close
August runs out after the second working day of its last week. Most of that week belongs to the next month, so the tail of August 2027 is unusually thin: two working days carry whatever the month-end process needs, and the week's remaining capacity is not available to this period.
The last working day of August 2027 is Tuesday, August 31. Counting back from there, the third-to-last is Friday, August 27, four calendar days before the month closes.
The middle month of the quarter
August is the middle month of Q3. Middle months carry the least visibility in a quarterly cycle: the opening month sets expectations and the closing month is where they are settled, so a shortfall here is the one most likely to be noticed late.
Across the whole quarter there are 66 business days, of which 22 fall in August. The other two months carry July 2027 with 22 and September 2027 with 22. All three months of the quarter carry the same working-day count, which happens when their weekday alignments and closures cancel out exactly.
The middle of the working week is the scarcest
The third working day of the week is the one August gives least often. Mid-week scarcity is the easiest kind to absorb, because work pinned to the middle of a week can usually move a day in either direction without crossing a weekend.
Counted as worked rather than as occurring, August 2027 gives Monday 5, Tuesday 5, Wednesday 4, Thursday 4, and Friday 4. A weekly commitment pinned to a particular weekday fires that many times in the month, which is the number a rota needs and not the one the calendar shows.
Toward the long end of the year
August sits among the longer working months of 2027 under the Australian national calendar. Where a month falls in that ranking is decided by two independent things, its calendar length and how many closures land on its working days, so a month can move several places between adjacent years without its length changing at all.
2027 carries 254 business days in total under the Australian national calendar. The longest month of the year is April 2027 with 22 and the shortest is January 2027 with 19, a spread of 3. August ranks 3rd of the twelve with 22.
Inside the year's longest clear run
August 2027 sits inside the longest stretch of 2027 with no Australian national closure in it. Where a month falls relative to its country's closure clusters changes what the same working-day count is worth: an uninterrupted month inside a long clear run behaves differently from one of equal length wedged between two closures.
Across 2027 the Australian national closures fall 4 in Q1, 1 in Q2, 0 in Q3, and 2 in Q4. A further three holidays land on the Saturday and Sunday weekend and cost no working day at all, which is why a country's holiday count and its working-day loss are different numbers.
The longest uninterrupted run in the 2027 calendar sits between June 14, 2027 and December 27, 2027, 196 calendar days with no Australian national closure in between. Stretches like that are where multi-week work belongs, and they move from year to year whenever a movable holiday does.
Where the month sits in the year's closure pattern
Closures are not spread evenly across a calendar year. They cluster around fixed anniversaries and around whichever lunar or movable feasts a jurisdiction observes, so two adjacent months can carry very different loads, and the Australian national calendar is no exception.
2027 opens its Australian national closures with New Year's Day on January 1, 2027 and ends them with Boxing Day (additional) on December 28, 2027. The densest month of the year is January 2027 with two closures on working days.
One working day more than last year
There is one more business day in August 2027 than in August 2026: 22 against 21. A single-day swing is the ordinary case, produced by the calendar shifting forward one weekday between consecutive common years, and it is large enough to matter to a monthly target and small enough to be missed.
August opens 2026 on a Saturday, 2027 on a Sunday, and 2028 on a Tuesday. That movement, one weekday in a common year and two after a leap day, is what makes the three counts differ. The number of closures on working days is the same in both years, so the whole of any difference comes from weekday alignment. Looking ahead, August 2028 carries 23 business days.
Where the month's anchor dates fall
Two of the common monthly anchor dates in August 2027 land outside the working week or on a closure. The table below resolves each one against the Australian national calendar, together with the first working day on or after it.
| Date | Weekday | Status under the Australian national calendar | First working day on or after |
|---|---|---|---|
| August 1 | Sunday | Weekend | August 2, 2027 |
| August 5 | Thursday | Working day | August 5 |
| August 10 | Tuesday | Working day | August 10 |
| August 15 | Sunday | Weekend | August 16, 2027 |
| August 20 | Friday | Working day | August 20 |
| August 25 | Wednesday | Working day | August 25 |
| August 31 | Tuesday | Working day | August 31 |
The final column is arithmetic, not a legal conclusion. Whether an obligation actually moves when its date is not a working day depends on the instrument that sets it, and this site does not assume a shift rule for any jurisdiction. Where a rule is known it is stated in the holiday data methodology and on the country page it applies to.
Net terms dated in August 2027
An invoice dated the 1st of August on calendar-day Net 30 terms comes due on August 31, 2027, a working day under the Australian national calendar. Terms counted in calendar days move independently of the working week, so the same term written on two consecutive months can settle cleanly in one and roll across a closure in the other.
| Invoice date | Net 30, calendar days | Net 60, calendar days |
|---|---|---|
| Dated August 1 | August 31, 2027 | September 30, 2027 |
| Dated August 15 | September 14, 2027 | October 14, 2027 |
| Dated August 31 | September 30, 2027 | October 30, 2027 (rolls to November 1, 2027) |
Net 30 and Net 60 are commercial conventions rather than statutory periods, and both are counted here in calendar days, which is how they are almost always written. Where a contract counts in working days instead, use the between-dates calculator with the Australia calendar selected, because the two produce different dates whenever a closure falls inside the term.
Sources and verification
Official source: Fair Work Ombudsman (fairwork.gov.au) (opens in a new tab)
Cross-checked against this source on August 26, 2026.
For informational purposes only
This calculator provides general estimates based on business day counting rules. It does not constitute legal advice. Deadlines in legal, regulatory, or contractual matters may be subject to jurisdiction-specific rules, court orders, or statutory exceptions. Always verify critical deadlines with a qualified professional.
Frequently Asked Questions
How many business days are in August 2027 under the Australian national holiday calendar?
Which Australia holidays affect August 2027?
Why are state-specific holidays not in this calendar?
How do Easter Saturday and Easter Sunday affect business days here?
Why does the business-day count vary year to year?
When is the last working day of August 2027?
How many working days in a row does August 2027 offer?
Sources for these rules
- Fair Work Act 2009 (compilation of 7 July 2026), s 115(1)(a): the eight national public holidays; s 115(1)(b) and (2): further days and substitutes under State or Territory law (Federal Register of Legislation)
- Public Holidays Act 1993 (Vic), authorised version 027, s 6: the public holidays, including (b) the Monday after New Year's Day on a weekend, (c) Australia Day or the Monday after, (d) Labour Day, (f) and (fa) the Saturday before Easter Sunday and Easter Sunday, (i) the second Monday in June, (ia) the Friday before the AFL Grand Final, (j) Melbourne Cup Day, (ka) and (m) the Monday or Tuesday after Christmas Day and Boxing Day on a weekend; s 7: further days by notice in the Government Gazette (Victorian Legislation (Office of the Chief Parliamentary Counsel))
Checked October 9, 2026. All sources