Week Calendar 2025
Week numbers for Luxembourg in 2025
What week is it?
All weeks in 2025
| Week | Start (Mon) | End (Sun) | Working days |
|---|---|---|---|
| January 2025 | |||
Week 1 Nouvel An | Dec 30 | Jan 5 | 4 |
Week 2 | Jan 6 | Jan 12 | 5 |
Week 3 | Jan 13 | Jan 19 | 5 |
Week 4 | Jan 20 | Jan 26 | 5 |
Week 5 | Jan 27 | Feb 2 | 5 |
| February 2025 | |||
Week 6 | Feb 3 | Feb 9 | 5 |
Week 7 | Feb 10 | Feb 16 | 5 |
Week 8 | Feb 17 | Feb 23 | 5 |
Week 9 | Feb 24 | Mar 2 | 5 |
| March 2025 | |||
Week 10 | Mar 3 | Mar 9 | 5 |
Week 11 | Mar 10 | Mar 16 | 5 |
Week 12 | Mar 17 | Mar 23 | 5 |
Week 13 | Mar 24 | Mar 30 | 5 |
| April 2025 | |||
Week 14 | Mar 31 | Apr 6 | 5 |
Week 15 | Apr 7 | Apr 13 | 5 |
Week 16 | Apr 14 | Apr 20 | 5 |
Week 17 Lundi de Pâques | Apr 21 | Apr 27 | 4 |
| May 2025 | |||
Week 18 1er mai | Apr 28 | May 4 | 4 |
Week 19 Journée de l'Europe | May 5 | May 11 | 4 |
Week 20 | May 12 | May 18 | 5 |
Week 21 | May 19 | May 25 | 5 |
Week 22 Ascension | May 26 | Jun 1 | 4 |
| June 2025 | |||
Week 23 | Jun 2 | Jun 8 | 5 |
Week 24 Lundi de Pentecôte | Jun 9 | Jun 15 | 4 |
Week 25 | Jun 16 | Jun 22 | 5 |
Week 26 Fête nationale | Jun 23 | Jun 29 | 4 |
| July 2025 | |||
Week 27 | Jun 30 | Jul 6 | 5 |
Week 28 | Jul 7 | Jul 13 | 5 |
Week 29 | Jul 14 | Jul 20 | 5 |
Week 30 | Jul 21 | Jul 27 | 5 |
Week 31 | Jul 28 | Aug 3 | 5 |
| August 2025 | |||
Week 32 | Aug 4 | Aug 10 | 5 |
Week 33 Assomption | Aug 11 | Aug 17 | 4 |
Week 34 | Aug 18 | Aug 24 | 5 |
Week 35 | Aug 25 | Aug 31 | 5 |
| September 2025 | |||
Week 36 | Sep 1 | Sep 7 | 5 |
Week 37 | Sep 8 | Sep 14 | 5 |
Week 38 | Sep 15 | Sep 21 | 5 |
Week 39 | Sep 22 | Sep 28 | 5 |
| October 2025 | |||
Week 40 | Sep 29 | Oct 5 | 5 |
Week 41 | Oct 6 | Oct 12 | 5 |
Week 42 | Oct 13 | Oct 19 | 5 |
Week 43 | Oct 20 | Oct 26 | 5 |
Week 44 | Oct 27 | Nov 2 | 5 |
| November 2025 | |||
Week 45 | Nov 3 | Nov 9 | 5 |
Week 46 | Nov 10 | Nov 16 | 5 |
Week 47 | Nov 17 | Nov 23 | 5 |
Week 48 | Nov 24 | Nov 30 | 5 |
| December 2025 | |||
Week 49 | Dec 1 | Dec 7 | 5 |
Week 50 | Dec 8 | Dec 14 | 5 |
Week 51 | Dec 15 | Dec 21 | 5 |
Week 52 Noël · Lendemain de Noël | Dec 22 | Dec 28 | 3 |
Frequently asked questions
What week number is it now?
The current week number is shown at the top of this page. Year 2025 has 52 ISO weeks in total.
How many weeks are there in 2025?
Year 2025 has 52 ISO weeks according to the ISO 8601 standard. Week 1 is the week containing the first Thursday of the year.
When does week 1 start in 2025?
Week 1 of 2025 starts on Dec 30. According to ISO 8601, week 1 is the week containing the first Thursday of the year.
In Luxembourg, employees benefit from 11 public holidays per year, legally recognized and remunerated as ordinary working days. The standard working week is fixed at 40 hours, and no replacement day exists if a public holiday falls on a weekend. There is no concept of a distinct bank holiday in the Luxembourg system.
If a public holiday falls on a Saturday, does the employee receive an additional day off or compensation?
No, there is no replacement day mechanism in Luxembourg. If a public holiday coincides with a weekend, no additional day is granted. The public holiday is simply 'lost' from the perspective of additional remuneration.
How should public holidays be declared in a monthly payroll calculation in Luxembourg?
Public holidays must be paid as ordinary working days, at the employee's normal salary rate. It is recommended to identify them separately on payslips for greater administrative clarity and legal compliance.
What is the exact number of public holidays in 2026 in Luxembourg?
There are 11 public holidays in 2026, including New Year's Day, Easter Monday, Ascension Day, Whit Monday, National Day (23 June), and Christmas. This list is fixed and defined by Luxembourg legislation.
Are religious holidays such as Assumption and All Saints' Day mandatory non-working days?
Yes, in Luxembourg, Assumption (15 August) and All Saints' Day (1 November) are official public holidays and legally non-working days. Employees cannot be required to work on these days, except for specific contractual derogations.
Are Europe Day (9 May) and Ascension Day always public holidays in Luxembourg?
Yes, Europe Day and Ascension Day are recognized public holidays in Luxembourg. Ascension Day is a moveable feast based on the Christian calendar, while Europe Day is fixed on 9 May.