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Business Day Calculator

Business Days in March 2024 for Ireland

March 2024 has 20 working days under the Irish public holiday calendar. March 2024 contains one Irish public holiday on a weekday. The month covers 31 calendar days, of which 10 are Saturday and Sunday. That count drives invoice cycles, payroll runs, and any contract that defines deadlines as a number of working days in Ireland.

working days

20

Calendar Days

31

Weekend Days

10

public holidays

1

Work Weeks

4.0

March 2024 business day calendar
MonTueWedThuFriSatSun
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4
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St Patrick's Day (observed)
19
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public holidays in March 2024

Mon, Mar 18St Patrick's Day (observed)

Ireland March deadlines

Form CT1 corporation tax filings for June year-end companies are due March 23 under the 9-month rule (9 months after year-end). VAT3 for January-February bimonthly is due March 19 or March 23 via ROS. Stamp duty filings on share transfers run through ROS. ECB Governing Council interest-rate decision in early March moves SEPA Credit Transfer cycle pricing. End of Q1 close for many calendar-year subsidiaries.

Day-of-Week Distribution

The count of each weekday in March 2024. Useful for shift scheduling, weekly recurring billing, and any rota that depends on a specific day of the week landing in-month.

DayCount
Monday4
Tuesday4
Wednesday4
Thursday4
Friday5
Saturday5
Sunday5

Ireland reporting cycles and business-day rules

Irish business-day cycles align with Revenue's VAT3 bimonthly cutoffs (paper on the 19th, ROS extended to the 23rd) and PAYE monthly remittance on the 14th of the following month for most employers, with the PAYE Modernisation system reporting in real time on each pay event. The Central Bank of Ireland operates TARGET2-IE for euro wholesale settlement on TARGET2 business days, which exclude bank holidays. Form CT1 corporation tax is due nine months after the company year-end. The European Communities (Late Payment in Commercial Transactions) Regulations 2012 set 8% above the ECB main refinancing rate as the statutory late-payment interest rate, payable from day 31 after invoice for B2B transactions.

March 2024 working days compared by country

Working-day counts vary across countries because each country observes its own public holidays. The table below puts Ireland alongside the other ten supported holiday calendars for March 2024.

CountryBusiness DaysHolidays this month
🇺🇸United States21None
🇬🇧United Kingdom20Good Friday
🇨🇦Canada20Good Friday
🇦🇺Australia20Good Friday
🇮🇳India19Holi, Good Friday
🇵🇭Philippines19Maundy Thursday, Good Friday
🇫🇷France21None
🇩🇪Germany20Karfreitag
🇯🇵Japan20Vernal Equinox Day
🇲🇽Mexico20Natalicio de Benito Juárez
🇸🇬Singapore20Good Friday

How March 2024 compares year over year

March 2023 had 23 working days, so March 2024 has 3 fewer working days year over year. On the surrounding months, February 2024 has 20 working days and April 2024 has 21. Looking forward, March 2025 has 20 working days under the same Irish public holiday calendar.

Using this calculator in Ireland

A Dublin treasury operator at an international tech HQ uses the 20-day March 2024 count to align SEPA Credit Transfer cycles with Central Bank of Ireland TARGET2-IE clearing and prompt-pay windows under the European Communities (Late Payment in Commercial Transactions) Regulations 2012. A Cork law-firm cashier uses business-day math to track Workplace Relations Commission complaint windows under the Workplace Relations Act 2015. A Galway SaaS controller uses the count to align Revenue VAT3 bimonthly returns and ROS Form CT1 nine-month corporation-tax filings against month-end cutoffs.

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 March 2024 for Irish public?
March 2024 has 20 working days under the Irish public holiday calendar. The month spans 31 calendar days, of which 10 fall on a weekend and 1 is a Irish public holiday that lands on a weekday. The remaining 20 weekdays are countable as working days for invoicing, deadline tracking, and contract math.
Which Ireland holidays affect March 2024?
March 2024 contains one Irish public holiday: St Patrick's Day (observed) on Monday, March 18. Banks and Ireland financial markets close on each of these days. Regional or industry-specific closures may add further non-working days for narrower contract definitions; layer them into the calculator's Advanced options if needed.
Why is St Brigid's Day included from 2023 onward?
The Sick Leave Act 2022 added St Brigid's Day (Lá Fhéile Bríde) as Ireland's tenth public holiday under the Organisation of Working Time Act 1997. From 2023 the day is the first Monday in February, except when February 1 itself falls on a Friday, in which case February 1 is the public holiday. The holiday recognises both St Brigid and the start of the Celtic festival of Imbolc, and was the first new Irish public holiday added since 1973.
How do observed-day shifts work for Irish public holidays?
When New Year's Day, St Patrick's Day, Christmas Day, or St Stephen's Day falls on a weekend, the observance shifts to the next working day under the Organisation of Working Time Act 1997. Employers grant either a paid day off, an extra day of annual leave, an extra day of pay, or pay for the day as normal. Easter Monday and the four bank holidays on the first or last Mondays (May, June, August, October) always fall on a Monday by definition and therefore have no observance shift.
Why does the business-day count vary year to year?
Two things shift the monthly count for Ireland. First, the day of the week the first of the month lands on changes the count of each weekday. Second, Irish public holidays anchored to a fixed date shift their weekday across years. Some years a fixed-date holiday lands on a weekend; some countries shift the observance to an adjacent weekday and some absorb it into the weekend. March 2023 had 23 working days, so March 2024 has 3 fewer working days year over year.

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