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Business Day Calculator

Business Days in January 2029 for Spain

January 2029 has 22 días laborables under the Spanish national holiday calendar. January 2029 contains one Spanish national holiday on a weekday. The month covers 31 calendar days, of which 8 are sábado and domingo. That count drives invoice cycles, payroll runs, and any contract that defines deadlines as a number of días laborables in Spain.

días laborables

22

Calendar Days

31

Weekend Days

8

días festivos

1

Work Weeks

4.4

January 2029 business day calendar
MonTueWedThuFriSatSun
1
Año Nuevo
2
3
4
5
6
Epifanía del Señor
7
wknd
8
9
10
11
12
13
wknd
14
wknd
15
16
17
18
19
20
wknd
21
wknd
22
23
24
25
26
27
wknd
28
wknd
29
30
31

días festivos in January 2029

Mon, Jan 1Año Nuevo

Spain January deadlines

Año Nuevo (January 1) and Epifanía (January 6) close banks and the Bolsa de Madrid. Modelo 130 (autónomos quarterly IRPF) and Modelo 303 (quarterly IVA) for Q4 of the prior year are due January 20 and January 30 respectively. Modelo 390 (annual IVA summary) is due January 30. Modelo 111 (employer monthly IRPF withholdings) for December is due January 20.

Day-of-Week Distribution

The count of each weekday in January 2029. Useful for shift scheduling, weekly recurring billing, and any rota that depends on a specific day of the week landing in-month.

DayCount
Monday5
Tuesday5
Wednesday5
Thursday4
Friday4
Saturday4
Sunday4

Spain reporting cycles and business-day rules

Spanish business-day cycles align with AEAT Modelo 111 (employer monthly IRPF withholding) deposit on the 20th of the following month, Modelo 303 (IVA) on the 20th (or 30th for annual filers), and the IRPF Renta personal income tax filing window typically April through June. The Banco de España operates TARGET2 for euro wholesale settlement and SNCE/Iberpay for SEPA Credit Transfer cycles on bank business days. The Estatuto de los Trabajadores governs employment cycles. Modelo 200 (Impuesto sobre Sociedades, corporate tax) is due by July 25 for calendar-year entities. Regional fiestas vary by Comunidad Autónoma.

January 2029 días laborables compared by country

Working-day counts vary across countries because each country observes its own public holidays. The table below puts Spain alongside the other ten supported holiday calendars for January 2029.

CountryBusiness DaysHolidays this month
🇺🇸United States21New Year's Day, Martin Luther King Jr. Day
🇬🇧United Kingdom22New Year's Day
🇨🇦Canada22New Year's Day
🇦🇺Australia21New Year's Day, Australia Day
🇮🇳India22Republic Day
🇵🇭Philippines22New Year's Day
🇫🇷France22Jour de l'An
🇩🇪Germany22Neujahrstag
🇯🇵Japan21New Year's Day, Coming of Age Day
🇲🇽Mexico22Año Nuevo
🇸🇬Singapore22New Year's Day

How January 2029 compares year over year

January 2028 had 20 días laborables, so January 2029 has 2 more working days year over year. On the surrounding months, December 2028 has 18 días laborables and February 2029 has 20. Looking forward, January 2030 has 23 días laborables under the same Spanish national holiday calendar.

Using this calculator in Spain

A Madrid corporate treasurer uses the 22-day January 2029 count to align Banco de España TARGET2 settlement with AEAT Modelo 111 (employer IRPF withholding) on the 20th and Modelo 303 (IVA) on the 20th or 30th. A Barcelona law firm uses días laborables to track Ley General Tributaria recurso de reposición windows and SS/Seguridad Social remittance cycles. A Valencia consulting firm uses business-day math to align Modelo 130 (autónomos quarterly IRPF) and Modelo 200 (Impuesto sobre Sociedades) corporate tax deadlines.

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 January 2029 for Spanish national?
January 2029 has 22 días laborables under the Spanish national holiday calendar. The month spans 31 calendar days, of which 8 fall on a weekend and 1 is a Spanish national holiday that lands on a weekday. The remaining 22 weekdays are countable as días laborables for invoicing, deadline tracking, and contract math.
Which Spain holidays affect January 2029?
January 2029 contains one Spanish national holiday: Año Nuevo on Monday, January 1. Banks and Spain 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 does the Spanish calendar vary year-to-year?
The Spanish national fiestas laborables are set by Real Decreto each year, with up to 14 holidays consisting of 9 nationally-fixed (e.g., Año Nuevo, Día del Trabajo, Asunción, Día de la Constitución, Navidad), 2 Comunidad Autónoma-set (regional), and 2 municipality-set days. This calculator uses only the national-fixed set; regional and municipal holidays vary widely (Catalonia observes Sant Jordi on April 23; Andalusia observes Día de Andalucía on February 28; the Basque Country observes Día del País Vasco). For region-specific contracts, add the regional dates under Advanced options.
How does Sunday observance work for Spanish national holidays?
When a Spanish national fiesta falls on a Sunday, the Comunidades Autónomas may declare the following Monday as the substitute holiday, but this is not automatic under national law and varies by autonomous community and by year. This calculator does not preemptively shift Sunday-falling national holidays; check the Real Decreto for the specific year and region. The Constitución, Día de Todos los Santos, and major Catholic fixed-date holidays are commonly shifted by regional decree when they fall on Sunday.
Why does the business-day count vary year to year?
Two things shift the monthly count for Spain. First, the day of the week the first of the month lands on changes the count of each weekday. Second, Spanish national 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. January 2028 had 20 días laborables, so January 2029 has 2 more working days year over year.

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